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Classical Kuiper belt object

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2565: 534: 31: 2571: 424: 630:. Furthermore, there is evidence that the Kuiper belt has an 'edge', in that an apparent lack of low-inclination objects beyond 47–49 AU was suspected as early as 1998 and shown with more data in 2001. Consequently, the traditional usage of the terms is based on the orbit's semi-major axis, and includes objects situated between the 2:3 and 1:2 resonances, that is between 39.4 and 47.8 AU (with exclusion of these resonances and the minor ones in-between). 586:. Binaries are quite common on low-inclination orbits and are typically similar-brightness systems. Binaries are less common on high-inclination orbits and their components typically differ in brightness. This correlation, together with the differences in colour, support further the suggestion that the currently observed classical objects belong to at least two different overlapping populations, with different physical properties and orbital history. 3534: 525: 3572: 815: 3596: 3560: 3584: 46: 579:, and more heterogeneous hot population was observed as early as in 2002. Recent studies, based on a larger data set, indicate the cut-off inclination of 12° (instead of 5°) between the cold and hot populations and confirm the distinction between the homogenous red cold population and the bluish hot population. 503:
The vast majority of KBOs (more than two-thirds) have inclinations of less than 5° and eccentricities of less than 0.1 . Their semi-major axes show a preference for the middle of the main belt; arguably, smaller objects close to the limiting resonances have been either captured into resonance or
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When the orbital eccentricities of cubewanos and plutinos are compared, it can be seen that the cubewanos form a clear 'belt' outside Neptune's orbit, whereas the plutinos approach, or even cross Neptune's orbit. When orbital inclinations are compared, 'hot' cubewanos can be easily distinguished by
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The 'hot' and 'cold' populations are strikingly different: more than 30% of all cubewanos are in low inclination, near-circular orbits. The parameters of the plutinos’ orbits are more evenly distributed, with a local maximum in moderate eccentricities in 0.15–0.2 range, and low inclinations 5–10°.
480:) is characterised by highly inclined, more eccentric orbits. The terms 'hot' and 'cold' has nothing to do with surface or internal temperatures, but rather refer to the orbits of the objects, by analogy to molecules in a gas, which increase their relative velocity as they heat up. 649:
by J. L. Elliott et al. in 2005 uses formal criteria based on the mean orbital parameters. Put informally, the definition includes the objects that have never crossed the orbit of Neptune. According to this definition, an object qualifies as a classical KBO if:
295:, which until January 2018 had only the provisional designation (15760) 1992 QB1. Similar objects found later were often called "QB1-o's", or "cubewanos", after this object, though the term "classical" is much more frequently used in the scientific literature. 594:
There is no official definition of 'cubewano' or 'classical KBO'. However, the terms are normally used to refer to objects free from significant perturbation from Neptune, thereby excluding KBOs in orbital resonance with Neptune
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and C. van Laerhoven in 2007, uses a 10-million-year orbit integration instead of the Tisserand's parameter. Classical objects are defined as not resonant and not being currently scattered by Neptune.
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K. Noll; W. Grundy; D. Stephens; H. Levison; S. Kern (April 2008). "Evidence for two populations of classical transneptunian objects: The strong inclination dependence of classical binaries".
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and seven smaller bodies. The objects not only follow similar orbits but also share similar physical characteristics. Unlike many other KBO their surface contains large amounts of water ice (H
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There are two basic dynamical classes of classical Kuiper-belt bodies: those with relatively unperturbed ('cold') orbits, and those with markedly perturbed ('hot') orbits.
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A. Doressoundiram; N. Peixinho; C. de Bergh; S. Fornasier; P. Thebault; M. A. Barucci; C. Veillet (October 2002). "The Color Distribution in the Edgeworth-Kuiper Belt".
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their higher inclinations, as the plutinos typically keep orbits below 20°. (No clear explanation currently exists for the inclinations of 'hot' cubewanos.)
175: 38: 1534:"The Deep Ecliptic Survey: A Search for Kuiper Belt Objects and Centaurs. II. Dynamical Classification, the Kuiper Belt Plane, and the Core Population" 3123: 1476:
Levison, Harold F.; Morbidelli, Alessandro (2003). "The formation of the Kuiper belt by the outward transport of bodies during Neptune's migration".
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have a semi-major axis greater than that of Neptune (30.1 AU; i.e. excluding centaurs) but less than 2000 AU (to exclude inner-Oort-cloud objects)
3616: 168: 1891: 1444: 1962: 607:(DES) do not list cubewanos (classical objects) using the same criteria. Many TNOs classified as cubewanos by the MPC, such as dwarf planet 1416: 1979:
Pinilla-Alonso, N.; Brunetto, R.; Licandro, J.; Gil-Hutton, R.; Roush, T. L.; Strazzulla, G. (2009). "The surface of (136108) Haumea (
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spacecraft has visited the small KBO 486958 Arrokoth at a distance of 3,500 kilometres (2,200 mi) on 1 January 2019.
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Another difference between the low-inclination (cold) and high-inclination (hot) classical objects is the observed number of
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Here is a very generic list of classical Kuiper belt objects. As of July 2023, there are about 870 objects with
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Unlike other schemes, this definition includes the objects with major semi-axis less than 39.4 AU (2:3 resonance)—termed
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Somewhat old-fashioned, but "cubewano" is still used by the Minor Planet Center for their list of Distant Minor Planets.
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Pinilla-Alonso, N.; Licandro, J.; Gil-Hutton, R.; Brunetto, R. (2007). "The water ice rich surface of (145453) 2005 RR
795:. The surface composition is inferred from their neutral (as opposed to red) colour and deep absorption at 1.5 and 2. 572:
In addition to the distinct orbital characteristics, the two populations display different physical characteristics.
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in the classical Kuiper belt—a group of objects thought to be remnants from the breakup of a single body—is the
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remains blurred. As of 2023, there are 870 objects with perihelion (q) > 40 AU and aphelion (Q) < 48 AU.
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As of January 2019, only one classical Kuiper belt object has been observed up close by spacecraft. Both
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Comparison of the aligned orbits (polar and ecliptic view) of cubewanos, plutinos, and Neptune (yellow).
550: 1436: 1185: 461:. Plutinos, on the other hand, have more eccentric orbits bringing some of them closer to the Sun than 2553: 2435: 2427: 2416: 2176: 2117: 2062: 2005: 1930: 1794: 1744: 1691: 1634: 1547: 1538: 1487: 1432: 1238: 646: 604: 484: 343: 273: 63: 3600: 3486: 3466: 3456: 3446: 3436: 3329: 3184: 3174: 3101: 3091: 3039: 3029: 2989: 2956: 2926: 2916: 2726: 2686: 2643: 2525: 2460: 1041: 633:
These definitions lack precision: in particular the boundary between the classical objects and the
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reports the distributions of the two populations; one with the inclination centered at 4.6° (named
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was the first mission to visit a classical KBO. After its successful exploration of the
3115: 2808: 2617: 2599: 2465: 2288: 1703: 1168: 989: 948: 634: 509: 476:) and near-circular orbits, lying between 42 and 47 AU. A smaller population (the 473: 427: 339: 121: 77: 1914:
Brown, Michael E.; Barkume, Kristina M.; Ragozzine, Darin; Schaller, Emily L. (2007).
1387: 1364:. IAU Minor Planet Center. Harvard-Smithsonian Center for Astrophysics. Archived from 3610: 2586: 2377: 2372: 773: 288: 2198: 2137: 2082: 2025: 1711: 1654: 1601: 1390:. IAU Minor Planet Center & Tamkin Foundation Computer Network. 12 December 2006 2818: 2813: 2441: 2353: 2260: 1958: 1814: 1669: 1593: 1515: 1412: 1327: 1105: 1018: 871: 866: 827: 524: 454: 321: 317: 312: 302: 292: 2296: 2017: 1876: 1764: 1672:(August 2008). "Color-inclination relation of the classical Kuiper belt objects". 1575: 2074: 1756: 2803: 2680: 2627: 2622: 2096:
Chiang, E.-I. (July 2002). "A Collisional Family in the Classical Kuiper Belt".
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As of 2008. The four brightest objects of the family are situated on the graphs
1163: 1035: 806:. Several other collisional families might reside in the classical Kuiper belt. 331: 327: 245: 88: 3509: 3363: 3351: 3339: 3317: 3258: 3204: 2844: 2675: 2394: 1425:
Solar System Update : Topical and Timely Reviews in Solar System Sciences
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de la Fuente Marcos, Carlos; de la Fuente Marcos, Raúl (11 February 2018).
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have passed through the region before the discovery of the Kuiper belt.
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Kuiper belt object, not controlled by an orbital resonance with Neptune
45: 2517: 2512: 2506: 2484: 2473: 792: 399: 1986:), the largest carbon-depleted object in the trans-Neptunian belt". 2309:"Plot of the current positions of bodies in the Outer Solar System" 2214:"The PI's Perspective: Why Didn't Voyager Explore the Kuiper Belt?" 2171: 2129: 1806: 1646: 1560: 1533: 818:
New Horizons trajectory and the orbits of Pluto and 486958 Arrokoth
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The difference in colour between the red cold population, such as
269: 249: 54: 44: 29: 2322: 835: 2326: 2153:"Dynamically correlated minor bodies in the outer Solar system" 221: 2287:, Harvard-Smithsonian Center for Astrophysics, archived from 215: 236: 1870: 1868: 1362:"MPEC 2010-B62: Distant Minor Planets (2010 FEB. 13.0 TT)" 324:, each considered the largest TNO at the time of discovery 2236:"New Horizons prepares for encounter with 2014 MU69" 230: 49:
The orbits of various cubewanos compared to the orbit of
1916:"A collisional family of icy objects in the Kuiper belt" 1875:
Gladman, B. J.; Marsden, B.; van Laerhoven, C. (2008).
272:, do not cross Neptune's orbit. That is, they have low- 491:) and another with inclinations extending beyond 30° ( 457:, for example, has a near-circular orbit close to the 3548: 2043:: a case for a carbon-depleted population of TNOs?". 718: 233: 227: 212: 209: 1407: 1405: 218: 3499: 3426: 3114: 2981: 2794: 2771: 2666: 2608: 2585: 2578: 2408: 224: 730: 568:Cold and hot populations: physical characteristics 2158:Monthly Notices of the Royal Astronomical Society 1778:Trujillo, Chadwick A.; Brown, Michael E. (2001). 468:The majority of classical objects, the so-called 1527: 1525: 305:(aka 1992 QB1 and gave rise to term 'Cubewano') 2315:. Harvard-Smithsonian Center for Astrophysics. 402:was provisionally listed as a cubewano by the 2338: 1853:. Harvard-Smithsonian Center for Astrophysics 760:for the orbits between these two resonances. 748:, or more than 48.7 (1:2 resonance) – termed 676:An alternative classification, introduced by 176: 8: 1780:"The Radial Distribution of the Kuiper Belt" 61: 1833: 1831: 848:List of trans-Neptunian objects § List 283:The name "cubewano" derives from the first 2582: 2569: 2563: 2345: 2331: 2323: 667:its average eccentricity is less than 0.2. 183: 169: 60: 2188: 2170: 2111: 2056: 1999: 1882:. In Barucci, M. A.; et al. (eds.). 1738: 1685: 1628: 1559: 717: 445:Most cubewanos are found between the 2:3 413: 298:Objects identified as cubewanos include: 37:, the first classical Kuiper belt object 1877:"Nomenclature in the Outer Solar System" 1355: 1353: 1351: 1349: 422: 406:in 2006, but was later found to be in a 3555: 2273:"The Kuiper Belt Electronic Newsletter" 1886:. Tucson: University of Arizona Press. 1305: 1274: 611:, are classified as ScatNear (possibly 504:have their orbits modified by Neptune. 1388:"MPEC 2006-X45: Distant Minor Planets" 687:Formally, this definition includes as 545:TNO distribution of cubewanos (blue), 2234:Lakdawalla, Emily (24 January 2018). 1417:"The Solar System Beyond The Planets" 472:, have low inclinations (< 5 7: 1360:Brian G. Marsden (30 January 2010). 846:For a more comprehensive list, see 311:, the largest known cubewano and a 280:orbits like the classical planets. 1532:J. L. Elliot; et al. (2006). 709:are not being scattered by Neptune 645:Introduced by the report from the 626:may be an inner cubewano near the 25: 2281:"List of Trans-Neptunian objects" 776:. It includes Haumea, its moons, 664:with respect to Neptune exceeds 3 3594: 3582: 3570: 3558: 3533: 3532: 2212:Stern, Alan (28 February 2018). 1968:from the original on 2018-07-23. 1903:from the original on 2012-11-02. 1668:Peixinho, Nuno; Lacerda, Pedro; 597:resonant trans-Neptunian objects 532: 523: 434:of cubewanos (blue) compared to 244:"QB1-o"), is a low-eccentricity 205: 1884:The Solar System Beyond Neptune 1332:"Classical Kuiper Belt Objects" 1294:the circle representing Haumea. 2365:List of possible dwarf planets 419:: 'hot' and 'cold' populations 258:orbital resonance with Neptune 135:Extreme trans-Neptunian object 1: 3617:Classical Kuiper belt objects 1264:Lists of astronomical objects 738:(to exclude detached objects) 508:See also the comparison with 260:. Cubewanos have orbits with 1757:10.1016/j.icarus.2007.10.022 1704:10.1088/0004-6256/136/5/1837 287:(TNO) found after Pluto and 256:and is not controlled by an 197:classical Kuiper belt object 2311:. IAU Minor Planet Center. 2283:, IAU Minor Planet Center, 2018:10.1051/0004-6361/200809733 1849:. IAU Minor Planet Center. 449:with Neptune (populated by 3633: 2075:10.1051/0004-6361:20077294 2045:Astronomy and Astrophysics 1988:Astronomy and Astrophysics 845: 731:{\displaystyle e<0.240} 699:are non-resonant (see the 590:Toward a formal definition 3528: 2561: 2360: 2099:The Astrophysical Journal 1787:The Astrophysical Journal 791:O) and no or very little 453:) and the 1:2 resonance. 1674:The Astronomical Journal 1617:The Astronomical Journal 754:, and reserves the term 712:have their eccentricity 701:definition of the method 615:by Neptune) by the DES. 2067:2007A&A...468L..25P 2010:2009A&A...496..547P 1415:; Delsanti, A. (2006). 1314:"Distant Minor Planets" 691:all objects with their 83:Trans-Neptunian objects 39:visited by a spacecraft 819: 732: 510:scattered disk objects 439: 285:trans-Neptunian object 122:Scattered disc objects 58: 42: 2369:Former dwarf planets 2313:minorplanetcenter.org 2285:minorplanetcenter.org 2190:10.1093/mnras/stx2765 1851:minorplanetcenter.net 1824:on 19 September 2006. 817: 733: 672:SSBN07 classification 662:Tisserand's parameter 426: 64:distant minor planets 48: 33: 1539:Astronomical Journal 1239:88611 Teharonhiawako 834:system in 2015, the 751:outer classical belt 745:inner classical belt 716: 647:Deep Ecliptic Survey 605:Deep Ecliptic Survey 485:Deep Ecliptic Survey 344:88611 Teharonhiawako 2301:johnstonarchive.net 2238:. Planetary Society 2181:2018MNRAS.474..838D 2122:2002ApJ...573L..65C 1943:10.1038/nature05619 1935:2007Natur.446..294B 1799:2001ApJ...554L..95T 1749:2008Icar..194..758N 1696:2008AJ....136.1837P 1639:2002AJ....124.2279D 1552:2005AJ....129.1117E 1500:10.1038/nature02120 1492:2003Natur.426..419L 1368:on 4 September 2012 757:main classical belt 601:Minor Planet Center 404:Minor Planet Center 89:Kuiper belt objects 66: 2265:"Kuiper belt site" 1581:on 23 August 2006. 1456:on 29 January 2007 824:Voyager spacecraft 820: 770:collisional family 728: 641:DES classification 440: 276:and sometimes low- 268:range and, unlike 264:in the 40–50  248:object (KBO) that 154:Oort cloud objects 59: 43: 3546: 3545: 3524: 3523: 2291:on 27 August 2010 1893:978-0-8165-2755-7 1604:on 19 April 2007. 1486:(6965): 419–421. 1446:978-3-540-26056-1 447:orbital resonance 193: 192: 16:(Redirected from 3624: 3599: 3598: 3597: 3587: 3586: 3585: 3575: 3574: 3573: 3563: 3562: 3561: 3554: 3536: 3535: 3517: 3515: 3514: 3492: 3482: 3472: 3462: 3452: 3442: 3428:Detached objects 3419: 3417: 3416: 3407: 3405: 3404: 3395: 3393: 3392: 3383: 3381: 3380: 3371: 3369: 3368: 3359: 3357: 3356: 3347: 3345: 3344: 3335: 3325: 3323: 3322: 3313: 3303: 3293: 3283: 3273: 3266: 3264: 3263: 3254: 3244: 3234: 3232: 3231: 3222: 3212: 3210: 3209: 3200: 3190: 3180: 3170: 3160: 3150: 3140: 3107: 3097: 3087: 3077: 3067: 3057: 3055: 3054: 3045: 3035: 3025: 3015: 3005: 2995: 2974: 2972: 2971: 2962: 2952: 2942: 2932: 2922: 2912: 2902: 2892: 2882: 2872: 2862: 2852: 2850: 2849: 2840: 2830: 2787: 2764: 2762: 2761: 2752: 2742: 2732: 2722: 2712: 2702: 2692: 2659: 2649: 2639: 2583: 2573: 2567: 2347: 2340: 2333: 2324: 2316: 2304: 2292: 2276: 2268: 2248: 2247: 2245: 2243: 2231: 2225: 2224: 2222: 2220: 2209: 2203: 2202: 2192: 2174: 2148: 2142: 2141: 2115: 2113:astro-ph/0205275 2093: 2087: 2086: 2060: 2058:astro-ph/0703098 2036: 2030: 2029: 2003: 1985: 1976: 1970: 1969: 1967: 1920: 1911: 1905: 1904: 1902: 1881: 1872: 1863: 1862: 1860: 1858: 1846: 1842: 1835: 1826: 1825: 1823: 1817:. Archived from 1784: 1775: 1769: 1768: 1742: 1722: 1716: 1715: 1689: 1665: 1659: 1658: 1632: 1630:astro-ph/0206468 1612: 1606: 1605: 1600:. Archived from 1590: 1584: 1582: 1580: 1574:. Archived from 1573: 1565: 1563: 1546:(2): 1117–1162. 1529: 1520: 1519: 1473: 1467: 1465: 1463: 1461: 1455: 1449:. Archived from 1430: 1421: 1409: 1400: 1399: 1397: 1395: 1384: 1378: 1377: 1375: 1373: 1357: 1344: 1343: 1341: 1339: 1324: 1318: 1317: 1310: 1295: 1288: 1282: 1279: 1252: 1250: 1249: 1235: 1233: 1232: 1223: 1221: 1220: 1211: 1209: 1208: 1199: 1197: 1196: 1186:79360 Sila–Nunam 1182: 1180: 1179: 1160: 1158: 1157: 1148: 1146: 1145: 1136: 1134: 1133: 1119: 1117: 1116: 1097: 1095: 1094: 1085: 1083: 1082: 1078:(278361) 2007 JJ 1073: 1071: 1070: 1061: 1059: 1058: 1049: 1047: 1046: 1042:(202421) 2005 UQ 1032: 1030: 1029: 1015: 1013: 1012: 1003: 1001: 1000: 986: 984: 983: 979:(145453) 2005 RR 974: 972: 971: 967:(145452) 2005 RN 962: 960: 959: 955:(144897) 2004 UX 945: 943: 942: 938:(120178) 2003 OP 933: 931: 930: 926:(119951) 2002 KX 921: 919: 918: 914:(308193) 2005 CB 909: 907: 906: 902:(444030) 2004 NT 897: 895: 894: 890:(307616) 2003 QW 885: 883: 882: 878:(307261) 2002 MS 860: 856: 786: 784: 783: 768:The first known 737: 735: 734: 729: 625: 623: 622: 618:(119951) 2002 KX 536: 527: 418: 417: 390: 388: 387: 379: 377: 376: 368: 366: 365: 357: 355: 354: 243: 242: 239: 238: 235: 232: 229: 226: 223: 220: 217: 214: 211: 199:, also called a 185: 178: 171: 140:Detached objects 67: 21: 3632: 3631: 3627: 3626: 3625: 3623: 3622: 3621: 3607: 3606: 3605: 3595: 3593: 3583: 3581: 3571: 3569: 3559: 3557: 3549: 3547: 3542: 3520: 3512: 3511: 3508: 3495: 3490: 3485: 3480: 3475: 3470: 3465: 3460: 3455: 3450: 3445: 3440: 3435: 3422: 3414: 3413: 3410: 3402: 3401: 3398: 3390: 3389: 3386: 3378: 3377: 3374: 3366: 3365: 3362: 3354: 3353: 3350: 3342: 3341: 3338: 3333: 3328: 3320: 3319: 3316: 3311: 3306: 3301: 3296: 3291: 3286: 3281: 3276: 3269: 3261: 3260: 3257: 3252: 3247: 3242: 3237: 3229: 3228: 3225: 3220: 3215: 3207: 3206: 3203: 3198: 3193: 3188: 3183: 3178: 3173: 3168: 3163: 3158: 3153: 3148: 3143: 3138: 3133: 3110: 3105: 3100: 3095: 3090: 3085: 3080: 3075: 3070: 3065: 3060: 3052: 3051: 3048: 3043: 3038: 3033: 3028: 3023: 3018: 3013: 3008: 3003: 2998: 2993: 2988: 2977: 2969: 2968: 2965: 2960: 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1321: 1312: 1311: 1307: 1303: 1298: 1289: 1285: 1280: 1276: 1272: 1260: 1255: 1247: 1246: 1245:(90568) 2004 GV 1243: 1230: 1229: 1228:(86047) 1999 OY 1226: 1218: 1217: 1216:(85633) 1998 KR 1214: 1206: 1205: 1204:(85627) 1998 HP 1202: 1194: 1193: 1192:(79983) 1999 DF 1190: 1177: 1176: 1175:(69987) 1998 WA 1173: 1155: 1154: 1153:(55637) 2002 UX 1151: 1143: 1142: 1141:(55636) 2002 TX 1139: 1131: 1130: 1129:(55565) 2002 AW 1127: 1123:53311 Deucalion 1114: 1113: 1112:(52747) 1998 HM 1110: 1101:486958 Arrokoth 1092: 1091: 1090:(33001) 1997 CU 1088: 1080: 1079: 1076: 1068: 1067: 1066:(24978) 1998 HJ 1064: 1056: 1055: 1054:(24835) 1995 SM 1052: 1044: 1043: 1040: 1027: 1026: 1025:(19255) 1994 VK 1023: 1010: 1009: 1008:(16684) 1994 JQ 1006: 998: 997: 996:(15807) 1994 GV 994: 981: 980: 977: 969: 968: 965: 957: 956: 953: 940: 939: 936: 928: 927: 924: 916: 915: 912: 904: 903: 900: 892: 891: 888: 880: 879: 876: 858: 854: 851: 844: 812: 790: 781: 780: 777: 766: 714: 713: 674: 643: 620: 619: 616: 592: 577:486958 Arrokoth 570: 565: 564: 563: 562: 539: 538: 537: 529: 528: 501: 470:cold population 421: 415: 414: 394:486958 Arrokoth 385: 384: 383:(55637) 2002 UX 381: 374: 373: 372:(55565) 2002 AW 370: 363: 362: 361:(55636) 2002 TX 359: 352: 351: 350:(33001) 1997 CU 348: 336:53311 Deucalion 309:136472 Makemake 262:semi-major axes 208: 204: 189: 114:(1:2 resonance) 108:(2:3 resonance) 78:Neptune trojans 35:486958 Arrokoth 28: 23: 22: 15: 12: 11: 5: 3630: 3628: 3620: 3619: 3609: 3608: 3604: 3603: 3591: 3579: 3567: 3544: 3543: 3541: 3540: 3529: 3526: 3525: 3522: 3521: 3519: 3518: 3505: 3503: 3497: 3496: 3494: 3493: 3488: 3483: 3478: 3473: 3468: 3463: 3458: 3453: 3448: 3443: 3438: 3432: 3430: 3424: 3423: 3421: 3420: 3408: 3396: 3384: 3372: 3360: 3348: 3336: 3331: 3326: 3314: 3309: 3304: 3299: 3294: 3289: 3284: 3279: 3274: 3267: 3255: 3250: 3245: 3240: 3235: 3223: 3218: 3213: 3201: 3196: 3191: 3186: 3181: 3176: 3171: 3166: 3161: 3156: 3151: 3146: 3141: 3136: 3131: 3126: 3124:Gǃkúnǁʼhòmdímà 3120: 3118: 3116:Scattered disc 3112: 3111: 3109: 3108: 3103: 3098: 3093: 3088: 3083: 3078: 3073: 3068: 3063: 3058: 3046: 3041: 3036: 3031: 3026: 3021: 3016: 3011: 3006: 3001: 2996: 2991: 2985: 2983: 2979: 2978: 2976: 2975: 2963: 2958: 2953: 2948: 2943: 2938: 2933: 2928: 2923: 2918: 2913: 2908: 2903: 2898: 2893: 2888: 2883: 2878: 2873: 2868: 2863: 2858: 2853: 2841: 2836: 2831: 2826: 2821: 2816: 2811: 2806: 2800: 2798: 2792: 2791: 2789: 2788: 2783: 2777: 2775: 2769: 2768: 2766: 2765: 2753: 2748: 2743: 2738: 2733: 2728: 2723: 2718: 2713: 2708: 2703: 2698: 2693: 2688: 2683: 2678: 2672: 2670: 2664: 2663: 2661: 2660: 2655: 2650: 2645: 2640: 2635: 2630: 2625: 2620: 2614: 2612: 2606: 2605: 2603: 2602: 2597: 2591: 2589: 2580: 2576: 2575: 2562: 2560: 2558: 2557: 2550: 2549: 2548: 2536: 2535: 2534: 2522: 2521: 2520: 2515: 2503: 2502: 2501: 2489: 2488: 2487: 2482: 2470: 2469: 2468: 2463: 2458: 2446: 2445: 2444: 2432: 2431: 2430: 2425: 2412: 2410: 2406: 2405: 2403: 2402: 2397: 2392: 2391: 2390: 2385: 2380: 2375: 2367: 2361: 2358: 2357: 2352: 2350: 2349: 2342: 2335: 2327: 2318: 2317: 2305: 2293: 2277: 2269: 2255: 2254:External links 2252: 2250: 2249: 2226: 2204: 2165:(1): 838–846. 2143: 2130:10.1086/342089 2106:(1): L65–L68. 2088: 2051:(1): L25–L28. 2040: 2031: 1982: 1971: 1906: 1892: 1864: 1827: 1807:10.1086/320917 1793:(1): L95–L98. 1770: 1717: 1660: 1647:10.1086/342447 1607: 1585: 1561:10.1086/427395 1521: 1468: 1445: 1401: 1379: 1345: 1319: 1304: 1302: 1299: 1297: 1296: 1283: 1273: 1271: 1268: 1267: 1266: 1259: 1256: 1254: 1253: 1241: 1236: 1224: 1212: 1200: 1188: 1183: 1171: 1169:66652 Borasisi 1166: 1161: 1149: 1137: 1125: 1120: 1108: 1103: 1098: 1086: 1074: 1062: 1050: 1038: 1033: 1021: 1016: 1004: 992: 990:148780 Altjira 987: 975: 963: 951: 949:120347 Salacia 946: 934: 922: 910: 898: 886: 874: 869: 863: 843: 840: 811: 808: 788: 765: 762: 740: 739: 727: 724: 721: 710: 707: 704: 673: 670: 669: 668: 665: 658: 642: 639: 635:scattered disk 603:(MPC) and the 591: 588: 584:binary objects 569: 566: 541: 540: 531: 530: 522: 521: 520: 519: 518: 500: 497: 478:hot population 428:Semimajor axis 420: 412: 397: 396: 391: 346: 340:66652 Borasisi 325: 315: 306: 191: 190: 188: 187: 180: 173: 165: 162: 161: 160: 159: 158: 157: 151: 150: 149: 148: 147: 132: 131: 130: 119: 118: 117: 116: 115: 109: 98: 95:Classical KBOs 80: 75: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 3629: 3618: 3615: 3614: 3612: 3602: 3592: 3590: 3580: 3578: 3568: 3566: 3556: 3552: 3539: 3531: 3530: 3527: 3516: 3507: 3506: 3504: 3502: 3498: 3491: 3484: 3481: 3474: 3471: 3464: 3461: 3454: 3451: 3444: 3441: 3434: 3433: 3431: 3429: 3425: 3418: 3409: 3406: 3397: 3394: 3385: 3382: 3373: 3370: 3361: 3358: 3349: 3346: 3337: 3334: 3327: 3324: 3315: 3312: 3305: 3302: 3295: 3292: 3285: 3282: 3275: 3272: 3268: 3265: 3256: 3253: 3246: 3243: 3236: 3233: 3224: 3221: 3214: 3211: 3202: 3199: 3192: 3189: 3182: 3179: 3172: 3169: 3162: 3159: 3152: 3149: 3142: 3139: 3132: 3130: 3127: 3125: 3122: 3121: 3119: 3117: 3113: 3106: 3099: 3096: 3089: 3086: 3079: 3076: 3069: 3066: 3059: 3056: 3047: 3044: 3037: 3034: 3027: 3024: 3017: 3014: 3007: 3004: 2997: 2994: 2987: 2986: 2984: 2980: 2973: 2964: 2961: 2954: 2951: 2944: 2941: 2934: 2931: 2924: 2921: 2914: 2911: 2904: 2901: 2894: 2891: 2884: 2881: 2874: 2871: 2864: 2861: 2854: 2851: 2842: 2839: 2832: 2829: 2822: 2820: 2817: 2815: 2812: 2810: 2807: 2805: 2802: 2801: 2799: 2797: 2793: 2786: 2779: 2778: 2776: 2774: 2770: 2763: 2754: 2751: 2744: 2741: 2734: 2731: 2724: 2721: 2714: 2711: 2704: 2701: 2694: 2691: 2684: 2682: 2679: 2677: 2674: 2673: 2671: 2669: 2665: 2658: 2651: 2648: 2641: 2638: 2631: 2629: 2626: 2624: 2621: 2619: 2616: 2615: 2613: 2611: 2607: 2601: 2598: 2596: 2593: 2592: 2590: 2588: 2587:Asteroid belt 2584: 2581: 2577: 2572: 2566: 2556: 2555: 2551: 2547: 2544: 2543: 2542: 2541: 2537: 2533: 2530: 2529: 2528: 2527: 2523: 2519: 2516: 2514: 2511: 2510: 2509: 2508: 2504: 2500: 2497: 2496: 2495: 2494: 2490: 2486: 2483: 2481: 2478: 2477: 2476: 2475: 2471: 2467: 2464: 2462: 2459: 2457: 2454: 2453: 2452: 2451: 2447: 2443: 2440: 2439: 2438: 2437: 2433: 2429: 2426: 2424: 2421: 2420: 2419: 2418: 2414: 2413: 2411: 2407: 2401: 2398: 2396: 2393: 2389: 2386: 2384: 2381: 2379: 2376: 2374: 2371: 2370: 2368: 2366: 2363: 2362: 2359: 2355: 2354:Dwarf planets 2348: 2343: 2341: 2336: 2334: 2329: 2328: 2325: 2321: 2314: 2310: 2306: 2302: 2298: 2294: 2290: 2286: 2282: 2278: 2274: 2270: 2266: 2262: 2261:Jewitt, David 2258: 2257: 2253: 2237: 2230: 2227: 2215: 2208: 2205: 2200: 2196: 2191: 2186: 2182: 2178: 2173: 2168: 2164: 2160: 2159: 2154: 2147: 2144: 2139: 2135: 2131: 2127: 2123: 2119: 2114: 2109: 2105: 2101: 2100: 2092: 2089: 2084: 2080: 2076: 2072: 2068: 2064: 2059: 2054: 2050: 2046: 2035: 2032: 2027: 2023: 2019: 2015: 2011: 2007: 2002: 1997: 1993: 1989: 1975: 1972: 1964: 1960: 1956: 1952: 1948: 1944: 1940: 1936: 1932: 1928: 1924: 1917: 1910: 1907: 1899: 1895: 1889: 1885: 1878: 1871: 1869: 1865: 1852: 1848: 1834: 1832: 1828: 1820: 1816: 1812: 1808: 1804: 1800: 1796: 1792: 1788: 1781: 1774: 1771: 1766: 1762: 1758: 1754: 1750: 1746: 1741: 1736: 1732: 1728: 1721: 1718: 1713: 1709: 1705: 1701: 1697: 1693: 1688: 1683: 1679: 1675: 1671: 1670:Jewitt, David 1664: 1661: 1656: 1652: 1648: 1644: 1640: 1636: 1631: 1626: 1622: 1618: 1611: 1608: 1603: 1599: 1595: 1589: 1586: 1577: 1570: 1562: 1557: 1553: 1549: 1545: 1541: 1540: 1535: 1528: 1526: 1522: 1517: 1513: 1509: 1505: 1501: 1497: 1493: 1489: 1485: 1481: 1480: 1472: 1469: 1452: 1448: 1442: 1438: 1434: 1427: 1426: 1418: 1414: 1408: 1406: 1402: 1389: 1383: 1380: 1367: 1363: 1356: 1354: 1352: 1350: 1346: 1333: 1329: 1328:Jewitt, David 1323: 1320: 1315: 1309: 1306: 1300: 1293: 1287: 1284: 1278: 1275: 1269: 1265: 1262: 1261: 1257: 1251: 1242: 1240: 1237: 1234: 1225: 1222: 1213: 1210: 1201: 1198: 1189: 1187: 1184: 1181: 1172: 1170: 1167: 1165: 1162: 1159: 1150: 1147: 1138: 1135: 1126: 1124: 1121: 1118: 1109: 1107: 1104: 1102: 1099: 1096: 1087: 1084: 1075: 1072: 1063: 1060: 1051: 1048: 1039: 1037: 1034: 1031: 1022: 1020: 1017: 1014: 1005: 1002: 993: 991: 988: 985: 976: 973: 964: 961: 952: 950: 947: 944: 935: 932: 923: 920: 911: 908: 899: 896: 887: 884: 875: 873: 870: 868: 865: 864: 862: 849: 841: 839: 837: 833: 829: 825: 816: 809: 807: 805: 802: 798: 794: 785: 775: 774:Haumea family 771: 763: 761: 759: 758: 753: 752: 747: 746: 725: 722: 719: 711: 708: 705: 702: 698: 697: 696: 694: 690: 685: 683: 679: 671: 666: 663: 659: 657: 653: 652: 651: 648: 640: 638: 636: 631: 629: 624: 614: 610: 606: 602: 598: 589: 587: 585: 580: 578: 573: 567: 560: 556: 552: 548: 547:resonant TNOs 544: 535: 526: 517: 513: 511: 505: 498: 496: 494: 490: 486: 481: 479: 475: 471: 466: 464: 460: 456: 452: 448: 443: 437: 436:resonant TNOs 433: 429: 425: 411: 409: 405: 401: 400:136108 Haumea 395: 392: 389: 378: 367: 356: 347: 345: 341: 337: 333: 329: 326: 323: 319: 316: 314: 310: 307: 304: 301: 300: 299: 296: 294: 290: 286: 281: 279: 275: 271: 267: 263: 259: 255: 251: 247: 241: 202: 198: 186: 181: 179: 174: 172: 167: 166: 164: 163: 155: 152: 146: 143: 142: 141: 138: 137: 136: 133: 129: 128:Resonant SDOs 126: 125: 123: 120: 113: 110: 107: 104: 103: 102: 101:Resonant KBOs 99: 96: 93: 92: 90: 87: 86: 84: 81: 79: 76: 74: 71: 70: 69: 68: 65: 56: 52: 47: 40: 36: 32: 19: 3601:Solar System 2795: 2552: 2538: 2524: 2505: 2491: 2472: 2448: 2434: 2415: 2319: 2312: 2300: 2289:the original 2284: 2240:. Retrieved 2229: 2217:. Retrieved 2207: 2162: 2156: 2146: 2103: 2097: 2091: 2048: 2044: 2034: 1991: 1987: 1974: 1926: 1922: 1909: 1883: 1855:. Retrieved 1850: 1845:Q < 48 AU 1841:q > 40 AU 1819:the original 1790: 1786: 1773: 1730: 1726: 1720: 1677: 1673: 1663: 1620: 1616: 1610: 1602:the original 1588: 1576:the original 1543: 1537: 1483: 1477: 1471: 1458:. Retrieved 1451:the original 1424: 1392:. Retrieved 1382: 1370:. Retrieved 1366:the original 1336:. Retrieved 1322: 1308: 1291: 1286: 1277: 1106:50000 Quaoar 1019:174567 Varda 872:20000 Varuna 867:15760 Albion 859:Q < 48 AU 855:q > 40 AU 852: 828:New Horizons 821: 767: 756: 755: 750: 749: 744: 743: 741: 695:orbits that 692: 688: 686: 675: 660:its average 644: 632: 593: 581: 574: 571: 558: 542: 514: 506: 502: 499:Distribution 492: 488: 482: 477: 469: 467: 455:50000 Quaoar 444: 441: 398: 322:20000 Varuna 318:50000 Quaoar 313:dwarf planet 303:15760 Albion 297: 293:15760 Albion 282: 274:eccentricity 200: 196: 194: 94: 3589:Outer space 3577:Spaceflight 2297:"TNO pages" 1680:(5): 1837. 1623:(4): 2279. 1164:58534 Logos 1036:19521 Chaos 810:Exploration 553:(grey) and 432:inclination 332:58534 Logos 328:19521 Chaos 278:inclination 246:Kuiper belt 97:(cubewanos) 53:(blue) and 2982:Other KBOs 2600:Interamnia 2461:Atmosphere 2428:Atmosphere 2395:Mesoplanet 2172:1710.07610 1994:(2): 547. 1733:(2): 758. 1594:Jewitt, D. 1569:"Preprint" 1413:Jewitt, D. 1301:References 682:B. Marsden 678:B. Gladman 654:it is not 557:(yellow). 156:(ICO/OCOs) 3565:Astronomy 3129:Dziewanna 2796:Cubewanos 2579:Candidate 2409:Consensus 2001:0803.1080 1740:0711.1545 1687:0808.3025 1598:"Plutino" 1394:3 October 1270:Footnotes 689:classical 613:scattered 62:Types of 18:Cubewanos 3611:Category 3538:Category 3501:Sednoids 2773:Twotinos 2668:Plutinos 2618:Chariklo 2610:Centaurs 2540:Gonggong 2493:Makemake 2242:13 March 2219:13 March 2199:73588205 2138:18671789 2083:18546361 2026:15139257 1963:Archived 1951:17361177 1898:Archived 1712:16473299 1655:30565926 1596:(2004). 1508:14647375 1433:Springer 1258:See also 804:spectrum 801:infrared 764:Families 656:resonant 628:plutinos 609:Makemake 555:sednoids 459:ecliptic 451:plutinos 408:resonant 201:cubewano 145:Sednoids 112:Twotinos 106:Plutinos 73:Centaurs 3551:Portals 3510:2012 VP 3487:2008 ST 3477:2007 JJ 3467:2005 TB 3457:2004 XR 3447:2003 QX 3437:2003 FY 3412:2021 LL 3400:2021 DR 3388:2018 VG 3376:2018 AG 3364:2017 FO 3352:2015 RR 3340:2015 KH 3330:2014 WK 3318:2014 UZ 3308:2014 EZ 3298:2014 AN 3288:2013 FY 3278:2010 VZ 3271:2010 TJ 3259:2010 JO 3249:2010 RF 3239:2010 RE 3227:2010 KZ 3217:2008 OG 3205:2006 QH 3195:2005 RM 3185:2005 QU 3175:2004 XA 3165:2002 TC 3155:2001 UR 3145:1996 TL 3135:1996 GQ 3102:2015 RR 3092:2015 AM 3082:2014 UM 3072:2013 FZ 3062:2011 GM 3050:2011 FW 3040:2010 VK 3030:2010 JO 3020:2002 XW 3010:2000 YW 3000:1999 DE 2990:1999 CD 2967:2010 FX 2957:2005 UQ 2947:2005 RN 2937:2004 UX 2927:2004 TY 2917:2004 PF 2907:2004 NT 2897:2004 GV 2887:2003 QW 2877:2002 UX 2867:2002 MS 2857:2002 KX 2845:2002 CY 2835:2002 AW 2825:1998 SN 2809:Salacia 2782:2002 WC 2757:2017 OF 2747:2007 JH 2737:2003 VS 2727:2003 UZ 2717:2003 AZ 2707:2002 XV 2697:2002 VR 2687:2001 QF 2654:2014 NW 2644:2013 TC 2634:1999 OX 2456:Geology 2423:Geology 2400:Planemo 2267:. UCLA. 2177:Bibcode 2118:Bibcode 2063:Bibcode 2006:Bibcode 1981:2003 EL 1959:4430027 1931:Bibcode 1857:31 July 1815:7982844 1795:Bibcode 1745:Bibcode 1692:Bibcode 1635:Bibcode 1548:Bibcode 1516:4395099 1488:Bibcode 1460:2 March 1372:26 July 793:tholins 779:2002 TX 693:current 599:). The 549:(red), 463:Neptune 410:orbit. 254:Neptune 252:beyond 124:(SDOs) 91:(KBOs) 85:(TNOs) 51:Neptune 2819:Varuna 2628:Pholus 2623:Chiron 2595:Hygiea 2507:Quaoar 2474:Haumea 2388:Pallas 2378:Triton 2373:Phoebe 2197:  2136:  2081:  2024:  1957:  1949:  1923:Nature 1890:  1813:  1765:336950 1763:  1727:Icarus 1710:  1653:  1514:  1506:  1479:Nature 1443:  1437:Praxis 1338:1 July 1334:. UCLA 1292:inside 559:Right: 438:(red). 416:Orbits 289:Charon 250:orbits 57:(pink) 2814:Varda 2804:Chaos 2681:Ixion 2554:Sedna 2518:Rings 2480:Moons 2466:Moons 2450:Pluto 2436:Orcus 2417:Ceres 2383:Vesta 2195:S2CID 2167:arXiv 2134:S2CID 2108:arXiv 2079:S2CID 2053:arXiv 2022:S2CID 1996:arXiv 1966:(PDF) 1955:S2CID 1919:(PDF) 1901:(PDF) 1880:(PDF) 1822:(PDF) 1811:S2CID 1783:(PDF) 1761:S2CID 1735:arXiv 1708:S2CID 1682:arXiv 1651:S2CID 1625:arXiv 1579:(PDF) 1572:(PDF) 1512:S2CID 1454:(PDF) 1429:(PDF) 1420:(PDF) 832:Pluto 726:0.240 543:Left: 270:Pluto 55:Pluto 2676:Huya 2546:Moon 2532:Moon 2526:Eris 2513:Moon 2499:Moon 2485:Ring 2442:Moon 2244:2018 2221:2018 1947:PMID 1888:ISBN 1859:2023 1843:and 1504:PMID 1462:2006 1441:ISBN 1396:2008 1374:2010 1340:2013 857:and 842:List 836:NASA 723:< 551:SDOs 493:Halo 489:Core 483:The 430:and 320:and 3513:113 3489:291 3469:190 3459:190 3449:113 3439:128 3367:161 3355:245 3343:162 3332:509 3321:224 3262:179 3208:181 3187:182 3177:192 3167:302 3157:163 3104:245 3094:281 3042:201 3032:179 3012:134 2992:158 2959:513 2929:364 2919:115 2848:248 2837:197 2827:165 2729:413 2699:128 2689:298 2646:146 2185:doi 2163:474 2126:doi 2104:573 2071:doi 2049:468 2014:doi 1992:496 1939:doi 1927:446 1803:doi 1791:554 1753:doi 1731:194 1700:doi 1678:136 1643:doi 1621:124 1556:doi 1544:129 1496:doi 1484:426 1207:151 1144:300 1132:197 1115:151 1069:151 1045:513 799:in 782:300 495:). 375:197 364:300 216:juː 3613:: 3479:43 3415:37 3403:15 3391:18 3379:37 3310:51 3300:55 3290:27 3280:98 3251:43 3241:64 3230:39 3219:19 3197:43 3147:66 3137:21 3084:33 3074:27 3064:27 3053:62 3022:93 2970:86 2949:43 2939:10 2909:33 2889:90 2879:25 2859:14 2784:19 2760:69 2749:43 2719:84 2709:93 2656:65 2299:. 2263:. 2193:. 2183:. 2175:. 2161:. 2155:. 2132:. 2124:. 2116:. 2102:. 2077:. 2069:. 2061:. 2047:. 2041:43 2020:. 2012:. 2004:. 1990:. 1983:61 1961:. 1953:. 1945:. 1937:. 1925:. 1921:. 1896:. 1867:^ 1830:^ 1809:. 1801:. 1789:. 1785:. 1759:. 1751:. 1743:. 1729:. 1706:. 1698:. 1690:. 1676:. 1649:. 1641:. 1633:. 1619:. 1554:. 1542:. 1536:. 1524:^ 1510:. 1502:. 1494:. 1482:. 1439:. 1431:. 1422:. 1404:^ 1348:^ 1330:. 1219:65 1178:25 1156:25 1093:29 1081:43 1057:55 982:43 970:43 958:10 941:32 929:14 917:79 905:33 893:90 861:. 797:μm 680:, 621:14 512:. 465:. 386:25 380:, 369:, 358:, 353:29 342:, 338:, 334:, 330:, 291:: 266:AU 237:oʊ 222:iː 195:A 3553:: 3002:9 2899:9 2869:4 2739:2 2636:3 2346:e 2339:t 2332:v 2303:. 2275:. 2246:. 2223:. 2201:. 2187:: 2179:: 2169:: 2140:. 2128:: 2120:: 2110:: 2085:. 2073:: 2065:: 2055:: 2028:. 2016:: 2008:: 1998:: 1941:: 1933:: 1861:. 1847:" 1839:" 1805:: 1797:: 1767:. 1755:: 1747:: 1737:: 1714:. 1702:: 1694:: 1684:: 1657:. 1645:: 1637:: 1627:: 1583:) 1566:( 1564:. 1558:: 1550:: 1518:. 1498:: 1490:: 1466:) 1464:. 1435:- 1398:. 1376:. 1342:. 1316:. 1248:9 1231:3 1195:9 1028:8 1011:1 999:9 881:4 850:. 789:2 720:e 703:) 595:( 474:° 240:/ 234:n 231:ʌ 228:w 225:ˈ 219:b 213:k 210:ˌ 207:/ 203:( 184:e 177:t 170:v 41:. 20:)

Index

Cubewanos

486958 Arrokoth
visited by a spacecraft

Neptune
Pluto
distant minor planets
Centaurs
Neptune trojans
Trans-Neptunian objects
Kuiper belt objects
Classical KBOs
Resonant KBOs
Plutinos
Twotinos
Scattered disc objects
Resonant SDOs
Extreme trans-Neptunian object
Detached objects
Sednoids
Oort cloud objects
v
t
e
/ˌkjuːbˈwʌn/
Kuiper belt
orbits
Neptune
orbital resonance with Neptune

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