Knowledge (XXG)

Atira asteroid

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with a friend of mine that has a master's degree in the Hawaiian language, and she recommended "Apohele", the Hawaiian word for "orbit". I found that an interesting suggestion, because of the similarity to fragments of "apoapsis" and "helios", and these objects would have their apoapsis closer to the Sun than the Earth's orbit. By the way, the pronunciation would be like "ah-poe-hey-lay". Rob Whiteley has suggested "Aliʻi", which refers to the Hawaiian elite, which provides a rich bank of names for discoveries in this class, such as Kuhio, Kalakaua, Kamehameha, Liliuokalani, and so on. Unfortunately, I think the
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Duncan Steel has already brought up the subject of a class name for objects with orbits interior to the Earth's. To be sure, we've already given that subject some thought. I also wanted a word that begins with the letter "A", but there was some desire to work Hawaiian culture into it. I consulted
317:, aka 0.718 AU. Despite their orbits placing them at a significant distance from Earth, they are still classified as near-Earth objects. Observations suggest that ꞌAylóꞌchaxnim asteroids frequently have their orbits altered into Atira asteroids and vice-versa. 222:, but the first to be confirmed as such was 163693 Atira in 2003, discovered by the Lincoln Laboratory Near Earth Asteroid Research Team . As of February 2023, there are 28 known Atiras, two of which are named, eight of which have received a 3281:
We have provisionally named objects with 0.307 < Q < 0.718 AU Vatiras, because they are Atiras which are decoupled from Venus. Provisional because it will be abandoned once the first discovered member of this class will be
176:. Other authors adopted the designation "Inner Earth Objects" (IEOs). Following the general practice to name a new class of asteroids for the first recognized member of that class, which in this case was 313:ꞌAylóꞌchaxnim asteroids, which had been provisionally nicknamed "Vatira" asteroids before the first was discovered, are a subclass of Atiras that orbit entirely interior to the orbit of 292:
be sent to study Atira asteroids, citing the difficulty in observing the group from Earth as a reason to undertake the mission. The study proposed that the mission would be powered by
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I wasn't planning to bring it up at this stage, but because Duncan has already done so, here's what we've got on the table so far. I'd appreciate some feedback on the suggestions.
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outward by a close approach to either Mercury or Venus and become Earth-crossing asteroids in the future. The dynamics of many Atira asteroids resemble the one induced by the
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The following table lists the known and suspected Atiras as of November 2023. 594913 ꞌAylóꞌchaxnim, due to its unique classification, has been highlighted in pink. The
1555: 3517: 782: 1125: 1062: 999: 852: 787: 718: 655: 350:, although the term often refers to asteroids which more specifically have remained in the intra-Mercurian region over the age of the solar system. 3635: 2744:; Cellino, Alberto; Tanga, Paolo (February 2000). "NOTE: Estimated Abundance of Atens and Asteroids Evolving on Orbits between Earth and Sun". 250:. A number of known Atiras could be fragments or former moons of larger Atiras as they exhibit an unusually high level of orbital correlation. 131:
There is no official name for the class commonly referred as Atira asteroids. The term "Apohele asteroids" was proposed by the discoverers of
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First formally theorised to exist by William F. Bottke and Gianluca Masi in 2002 and 2003, the first and to date only such asteroid found is
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Their location inside the Earth's orbit makes Atiras very difficult to observe, as from Earth's perspective they are close to the
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as many Atira asteroids as possible. The probe would also attempt to discover new NEO's that may pose a threat to Earth.
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and therefore 'drowned out' by the Sun's overpowering light. This means that Atiras can usually only be seen during
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Di Carlo, Marilena; Martin, Juan Manuel Romero; Gomez, Natalia Ortiz; Vasile, Massimiliano (1 April 2017).
1429: 3776: 3170: 2183: 1876: 1366: 1248: 1189: 941: 592: 2892: 2483: 2420: 2303: 2242: 2118: 2059: 1998: 1939: 1748: 1685: 1620: 1488: 1307: 200:. The first documented twilight searches for asteroids inside Earth's orbit were performed by astronomer 3681: 2525: 2359: 1561: 219: 2725: 1813: 1130: 1067: 1004: 857: 792: 723: 660: 3749: 3568: 3540: 3488: 3445: 3254: 3188: 3130: 3102: 3065: 3009: 2856: 2759: 2755: 2708: 2583: 401: 180:, the designation of "Atira asteroids" was largely adopted by the scientific community, including by 1439: 2741: 2587: 2193: 1886: 1376: 1258: 1199: 951: 931: 847: 602: 297: 2493: 2430: 2313: 2252: 2128: 2069: 2008: 1949: 1758: 1695: 1630: 1498: 1317: 3586: 3558: 3393: 3204: 3148: 3120: 3083: 3055: 2874: 2846: 2369: 1571: 432: 347: 83: 1823: 1140: 1077: 1014: 867: 802: 733: 670: 2697:; Whiteley, Robert J. (September 1998). "Results From NEO Searches At Small Solar Elongation". 3734: 3686: 2353: 2177: 2053: 742: 381: 164: 155: 143: 103: 99: 35: 3860: 3576: 3496: 3453: 3403: 3315: 3270: 3262: 3241: 3196: 3138: 3073: 3017: 2864: 2800: 2767: 2746: 2504: 455: 343: 247: 47: 2950: 3781: 3724: 3709: 2694: 586: 424: 387: 267: 215: 201: 111: 3614: 3572: 3492: 3449: 3258: 3192: 3134: 3069: 3013: 2860: 2763: 2712: 3796: 3764: 3729: 2842: 2737: 417: 411: 230:. An additional 127 objects have aphelia smaller than Earth's aphelion (Q = 1.017 AU). 3501: 3474: 2829:"A Twilight Search for Atiras, Vatiras, and Co-orbital Asteroids: Preliminary Results" 3901: 3820: 3719: 3714: 3590: 3518:"2020 AV2, the first intervenusian asteroid ever discovered: an image – 08 Jan. 2020" 3208: 3152: 3087: 2878: 2414: 2297: 239: 115: 107: 3886: 3659: 2579: 610: 259: 177: 2545: 3342: 3266: 3876: 3825: 3786: 3432:"Debiased Orbital and Absolute Magnitude Distribution of the Near-Earth Objects" 406: 289: 3078: 3041: 3022: 2997: 2869: 2828: 2663: 270:, which contributes to enhanced long-term orbital stability, since there is no 17: 3845: 3791: 3200: 1551: 1385: 935: 376: 95: 30: 3581: 3408: 3320: 3881: 3771: 3620: 3143: 2507:
of 0.14 (except 163693 Atira, for which the size has been directly measured)
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No asteroids have yet been discovered to orbit entirely inside the orbit of
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de la Fuente Marcos, Carlos; de la Fuente Marcos, Raúl (20 December 2023).
2805: 2786: 2771: 2562: 2998:"Baked before Breaking into Bits: Evidence for Atira-type Asteroid Splits" 2637: 2555:
from Dave Tholen, Cambridge Conference Network (CCNet) DIGEST, 9 July 1998
168:'to go'. This was suggested partly because of its similarity to the words 3701: 3250: 3184: 2439: 1895: 1704: 1639: 394: 366:
List of known and suspected Atiras as of February 2021 (Q < 0.983 AU)
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de la Fuente Marcos, Carlos; de la Fuente Marcos, Raúl (1 August 2019).
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de la Fuente Marcos, Carlos; de la Fuente Marcos, Raúl (11 June 2018).
3275: 3479: 3475:"Searching for inner-Earth objects: a possible ground-based approach" 3436: 3234:"The orbital distribution of Near-Earth Objects inside Earth's orbit" 3107:, a major step towards the future discovery of the Vatira population" 3563: 3398: 3125: 3060: 2851: 346:(q = 0.307 AU). Such hypothetical asteroids would likely be termed 3812: 2916: 2914: 2912: 500: 441: 362:
Mercury and Venus have been included for comparison as grey rows.
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Chodas, Paul; Khudikyan, Shakeh; Chamberlin, Alan (14 May 2019).
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Greenstreet, Sarah; Ngo, Henry; Gladman, Brett (January 2012).
2565:(the reverse apostrophe) would be badly treated by most people. 59: 193: 102:(AU). Atira asteroids are by far the least numerous group of 3103:"Understanding the evolution of Atira-class asteroid 2019 AQ 3042:"Kozai--Lidov Resonant Behavior Among Atira-class Asteroids" 62: 50: 3307:
Monthly Notices of the Royal Astronomical Society: Letters
2922:"JPL Small-Body Database Search Engine: Q < 0.983 (AU)" 242:
and were driven to their current locations as a result of
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Atiras do not cross Earth's orbit and are not immediate
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over the early 20th century, but he failed to find any.
3545:, the first known asteroid orbiting inside Venus orbit" 3035: 3033: 3171:"Optimised low-thrust mission to the Atira asteroids" 2598:
The nickname "Vatira" combined "Venus" with "Atira".
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Research Notes of the American Astronomical Society
2976:"Asteroids with aphelia between 0.983 and 1.017 AU" 94:(farthest point from the Sun) smaller than Earth's 53: 3539:Popescu, Marcel M.; et al. (11 August 2020). 3227: 3225: 3550:Monthly Notices of the Royal Astronomical Society 3385:Monthly Notices of the Royal Astronomical Society 3112:Monthly Notices of the Royal Astronomical Society 2955:Solar System Dynamics – Jet Propulsion Laboratory 2792:Monthly Notices of the Royal Astronomical Society 2787:"Dynamical study of the Atira group of asteroids" 2785:Ribeiro, Anderson O.; et al. (1 June 2016). 2551:WHAT'S IN A NAME: APOHELE = APOAPSIS & HELIOS 324:, which was discovered on 4 January 2020 by the 2657: 2655: 2503:All diameter estimates are based on an assumed 3430:Bottke, William F.; et al. (April 2002). 3297:Bolin, Bryce T.; et al. (November 2022). 3636: 8: 2617: 2615: 3343:"JPL Small-Body Database Browser: 2020 AV2" 2957:. NASA – California Institute of Technology 98:(nearest point to the Sun), which is 0.983 3664: 3643: 3629: 3621: 3380:"The orbital evolution of Atira asteroids" 3164: 3162: 2664:"Near-Earth Asteroid Discovery Statistics" 364: 86:whose orbits are entirely confined within 3580: 3562: 3500: 3457: 3407: 3397: 3319: 3274: 3142: 3124: 3077: 3059: 3021: 2868: 2850: 2822: 2820: 2818: 2816: 2804: 3292: 3290: 2546:Cambridge Conference Correspondence, (2) 3378:Lai, H.T.; Ip, W.H. (4 December 2022). 2611: 2537: 238:Most Atira asteroids originated in the 207:The first suspected Atira asteroid was 282:A 2017 study published in the journal 246:, as well as other causes such as the 163: 154: 90:'s orbit; that is, their orbit has an 3541:"Physical characterization of 2020 AV 7: 3359:from the original on 11 January 2020 2726:(Ulukau Hawaiian Electronic Library) 296:and would follow a path designed to 25: 3516:Masi, Gianluca (9 January 2020). 2827:Ye, Quanzhi; et al. (2020). 262:threats, but their orbits may be 106:, compared to the more populous 46: 294:spacecraft electric propulsion 1: 3502:10.1016/S0019-1035(03)00082-4 2893:"Minor Planet Circular 61768" 2700:American Astronomical Society 228:potentially hazardous objects 27:Group of near-Earth asteroids 3473:Masi, Gianluca (June 2003). 3267:10.1016/j.icarus.2011.11.010 3520:. Virtual Telescope Project 2951:"Small-Body Database Query" 2521:List of minor planet groups 3929: 3615:List Of Aten Minor Planets 3176:Advances in Space Research 2624:"Near-Earth Object Groups" 2578:Namely, they have coupled 2479:Moonbase South Observatory 2437: 2376: 2320: 2259: 2200: 2135: 2076: 2015: 1956: 1893: 1830: 1765: 1702: 1637: 1578: 1505: 1446: 1383: 1324: 1265: 1206: 1147: 1084: 1021: 958: 874: 809: 740: 677: 609: 544: 499: 454: 335: 285:Advances in Space Research 244:gravitational perturbation 214:, which was discovered by 34:Overview of all groups of 3667: 3652:Small Solar System bodies 3348:Jet Propulsion Laboratory 3201:10.1016/j.asr.2017.01.009 3047:Research Notes of the AAS 2926:JPL Solar System Dynamics 2669:Jet Propulsion Laboratory 2629:Jet Propulsion Laboratory 2238:Zwicky Transient Facility 2114:Zwicky Transient Facility 1994:Zwicky Transient Facility 1935:Zwicky Transient Facility 1809:Zwicky Transient Facility 1744:Zwicky Transient Facility 1680:Zwicky Transient Facility 326:Zwicky Transient Facility 188:Discovery and observation 3079:10.3847/2515-5172/aac9ce 3023:10.3847/2515-5172/ad16de 2870:10.3847/1538-3881/ab629c 2834:The Astronomical Journal 309:ꞌAylóꞌchaxnim asteroids 304:Related asteroid groups 226:, and six of which are 3777:Trans-Neptunian object 3582:10.1093/mnras/staa1728 3459:10.1006/icar.2001.6788 3409:10.1093/mnras/stac2991 3321:10.1093/mnrasl/slac089 2772:10.1006/icar.1999.6282 76:interior-Earth objects 39: 3617:, Minor Planet Center 3144:10.1093/mnras/stz1437 3008:(12): 278 (3 pages). 2898:. Minor Planet Center 2526:List of minor planets 268:Kozai-Lidov mechanism 220:Mauna Kea Observatory 33: 3750:Distant minor planet 2806:10.1093/mnras/stw642 1767:594913 ꞌAylóꞌchaxnim 322:594913 ꞌAylóꞌchaxnim 288:proposed a low-cost 224:numbered designation 3573:2020MNRAS.496.3572P 3493:2003Icar..163..389M 3450:2002Icar..156..399B 3259:2012Icar..217..355G 3193:2017AdSpR..59.1724D 3135:2019MNRAS.487.2742D 3070:2018RNAAS...2...46D 3014:2023RNAAS...7..278D 2861:2020AJ....159...70Y 2764:2000Icar..143..421M 2713:1998DPS....30.1604T 1872:Mount Lemmon Survey 1616:Catalina Sky Survey 1362:Mount Lemmon Survey 1303:Mount Lemmon Survey 1185:Mount Lemmon Survey 1122:Mount Lemmon Survey 1059:Catalina Sky Survey 996:Mount Lemmon Survey 932:Mount Lemmon Survey 848:Catalina Sky Survey 367: 274:of the perihelion. 170:aphelion (apoapsis) 3913:Lists of asteroids 2640:on 2 February 2002 365: 104:near-Earth objects 100:astronomical units 84:Near-Earth objects 40: 36:Near-Earth Objects 3895: 3894: 3807: 3806: 3692:Meanings of names 2742:Zappalà, Vincenzo 2500: 2499: 2496: 2486: 2433: 2423: 2372: 2362: 2354:Scott S. Sheppard 2316: 2306: 2255: 2245: 2196: 2186: 2178:Scott S. Sheppard 2131: 2121: 2072: 2062: 2054:Scott S. Sheppard 2011: 2001: 1952: 1942: 1889: 1879: 1826: 1816: 1761: 1751: 1698: 1688: 1633: 1623: 1574: 1564: 1501: 1491: 1442: 1432: 1379: 1369: 1320: 1310: 1261: 1251: 1202: 1192: 1143: 1133: 1080: 1070: 1017: 1007: 954: 944: 870: 860: 805: 795: 736: 726: 673: 663: 605: 595: 72:Apohele asteroids 16:(Redirected from 3920: 3665: 3645: 3638: 3631: 3622: 3602: 3601: 3599: 3597: 3584: 3566: 3557:(3): 3572–3581. 3536: 3530: 3529: 3527: 3525: 3513: 3507: 3506: 3504: 3470: 3464: 3463: 3461: 3427: 3421: 3420: 3418: 3416: 3411: 3401: 3392:(4): 5921–5929. 3375: 3369: 3368: 3366: 3364: 3339: 3333: 3332: 3330: 3328: 3323: 3303: 3294: 3285: 3284: 3278: 3238: 3229: 3220: 3219: 3217: 3215: 3166: 3157: 3156: 3146: 3128: 3119:(2): 2742–2752. 3098: 3092: 3091: 3081: 3063: 3037: 3028: 3027: 3025: 2993: 2987: 2986: 2984: 2982: 2972: 2966: 2965: 2963: 2962: 2947: 2941: 2940: 2938: 2936: 2918: 2907: 2906: 2904: 2903: 2897: 2889: 2883: 2882: 2872: 2854: 2824: 2811: 2810: 2808: 2799:(4): 4471–4476. 2782: 2776: 2775: 2734: 2728: 2723: 2717: 2716: 2695:Tholen, David J. 2691: 2685: 2684: 2682: 2680: 2659: 2650: 2649: 2647: 2645: 2636:. Archived from 2619: 2599: 2596: 2590: 2576: 2570: 2548: 2542: 2492: 2482: 2476: 2447: 2445: 2444: 2429: 2419: 2411: 2382: 2368: 2358: 2350: 2312: 2302: 2294: 2265: 2251: 2241: 2235: 2206: 2192: 2182: 2174: 2145: 2143: 2142: 2127: 2117: 2111: 2082: 2068: 2058: 2050: 2021: 2007: 1997: 1991: 1962: 1948: 1938: 1932: 1903: 1901: 1900: 1885: 1875: 1869: 1840: 1838: 1837: 1822: 1812: 1806: 1805: 1804: 1803: 1757: 1747: 1741: 1712: 1710: 1709: 1694: 1684: 1676: 1647: 1645: 1644: 1629: 1619: 1613: 1584: 1570: 1560: 1548: 1519: 1517: 1508: 1507:(678861) 2017 YH 1497: 1487: 1481: 1452: 1438: 1428: 1422: 1393: 1391: 1390: 1375: 1365: 1359: 1330: 1316: 1306: 1300: 1271: 1257: 1247: 1241: 1212: 1198: 1188: 1182: 1153: 1139: 1129: 1119: 1090: 1086:(481817) 2008 UL 1076: 1066: 1056: 1027: 1023:(418265) 2008 EA 1013: 1003: 993: 964: 960:(613676) 2006 WE 950: 940: 928: 899: 897: 895: 894: 884: 882: 881: 866: 856: 844: 815: 811:(413563) 2005 TG 801: 791: 779: 750: 748: 747: 743:(434326) 2004 JG 732: 722: 712: 683: 679:(164294) 2004 XZ 669: 659: 647: 646: 644: 601: 591: 583: 554: 552: 551: 535: 506: 505:(for comparison) 490: 461: 460:(for comparison) 368: 360:interior planets 248:Yarkovsky effect 213: 167: 158: 141: 139: 138: 74:, also known as 69: 68: 65: 64: 61: 58: 55: 52: 21: 3928: 3927: 3923: 3922: 3921: 3919: 3918: 3917: 3908:Atira asteroids 3898: 3897: 3896: 3891: 3865: 3803: 3744: 3696: 3654: 3649: 3611: 3606: 3605: 3595: 3593: 3544: 3538: 3537: 3533: 3523: 3521: 3515: 3514: 3510: 3472: 3471: 3467: 3429: 3428: 3424: 3414: 3412: 3377: 3376: 3372: 3362: 3360: 3341: 3340: 3336: 3326: 3324: 3301: 3296: 3295: 3288: 3236: 3231: 3230: 3223: 3213: 3211: 3168: 3167: 3160: 3106: 3100: 3099: 3095: 3039: 3038: 3031: 2995: 2994: 2990: 2980: 2978: 2974: 2973: 2969: 2960: 2958: 2949: 2948: 2944: 2934: 2932: 2920: 2919: 2910: 2901: 2899: 2895: 2891: 2890: 2886: 2826: 2825: 2814: 2784: 2783: 2779: 2738:Michel, Patrick 2736: 2735: 2731: 2724: 2720: 2693: 2692: 2688: 2678: 2676: 2661: 2660: 2653: 2643: 2641: 2621: 2620: 2613: 2608: 2603: 2602: 2597: 2593: 2577: 2573: 2568: 2566: 2559: 2557: 2544: 2543: 2539: 2534: 2517: 2510:Binary asteroid 2474: 2442: 2441: 2438: 2409: 2381: 2377: 2348: 2292: 2264: 2260: 2233: 2205: 2201: 2172: 2140: 2139: 2136: 2109: 2081: 2077: 2048: 2020: 2016: 1989: 1961: 1957: 1930: 1898: 1897: 1894: 1867: 1835: 1834: 1831: 1801: 1799: 1798: 1796: 1795: 1739: 1707: 1706: 1703: 1674: 1642: 1641: 1638: 1611: 1583: 1579: 1554: 1546: 1516: 1512: 1510: 1509: 1506: 1479: 1451: 1447: 1420: 1388: 1387: 1384: 1357: 1329: 1325: 1298: 1270: 1266: 1239: 1211: 1207: 1180: 1152: 1148: 1128: 1117: 1089: 1085: 1065: 1054: 1026: 1022: 1002: 991: 963: 959: 934: 926: 892: 891: 888: 886: 885: 879: 878: 875: 855: 842: 814: 810: 790: 777: 745: 744: 741: 721: 715:David J. Tholen 710: 682: 678: 658: 642: 640: 639: 587:David J. Tholen 581: 549: 548: 545: 533: 504: 503: 488: 459: 458: 439: 427: 425:Observation arc 420: 409: 397: 390: 388:Semi-major axis 379: 356: 340: 334: 311: 306: 280: 256: 236: 216:David J. Tholen 212: 208: 202:Robert Trumpler 190: 165:[ˈhɛlɛ] 136: 135: 132: 129: 124: 49: 45: 43:Atira asteroids 28: 23: 22: 18:Vatira asteroid 15: 12: 11: 5: 3926: 3924: 3916: 3915: 3910: 3900: 3899: 3893: 3892: 3890: 3889: 3884: 3879: 3873: 3871: 3867: 3866: 3864: 3863: 3858: 3853: 3851:Near-parabolic 3848: 3843: 3838: 3833: 3828: 3823: 3817: 3815: 3809: 3808: 3805: 3804: 3802: 3801: 3800: 3799: 3797:Scattered disc 3794: 3789: 3784: 3774: 3769: 3768: 3767: 3765:Neptune trojan 3762: 3754: 3752: 3746: 3745: 3743: 3742: 3740:Spectral types 3737: 3732: 3730:Jupiter trojan 3727: 3722: 3717: 3712: 3706: 3704: 3698: 3697: 3695: 3694: 3689: 3684: 3679: 3674: 3668: 3662: 3656: 3655: 3650: 3648: 3647: 3640: 3633: 3625: 3619: 3618: 3610: 3609:External links 3607: 3604: 3603: 3542: 3531: 3508: 3487:(2): 389–397. 3465: 3444:(2): 399–433. 3422: 3370: 3334: 3314:(1): L49–L54. 3286: 3221: 3158: 3104: 3093: 3029: 2988: 2967: 2942: 2908: 2884: 2843:IOP Publishing 2812: 2777: 2729: 2718: 2686: 2651: 2610: 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1082: 1081: 1060: 1057: 1052: 1049: 1046: 1043: 1040: 1037: 1034: 1031: 1028: 1024: 1019: 1018: 997: 994: 989: 986: 983: 980: 977: 974: 971: 968: 965: 961: 956: 955: 938: 929: 924: 921: 918: 915: 912: 909: 906: 903: 900: 872: 871: 850: 845: 840: 837: 834: 831: 828: 825: 822: 819: 816: 812: 807: 806: 785: 780: 775: 772: 769: 766: 763: 760: 757: 754: 751: 738: 737: 716: 713: 708: 705: 702: 699: 696: 693: 690: 687: 684: 680: 675: 674: 653: 648: 637: 634: 631: 628: 625: 622: 619: 616: 613: 607: 606: 589: 584: 579: 576: 573: 570: 567: 564: 561: 558: 555: 542: 541: 539: 536: 531: 528: 525: 522: 519: 516: 513: 510: 507: 497: 496: 494: 491: 486: 483: 480: 477: 474: 471: 468: 465: 462: 452: 451: 448: 445: 436: 429: 422: 415: 404: 399: 392: 385: 374: 355: 352: 336:Main article: 333: 330: 310: 307: 305: 302: 279: 276: 255: 252: 235: 232: 210: 189: 186: 156:[ˈɐpo] 128: 125: 123: 120: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 3925: 3914: 3911: 3909: 3906: 3905: 3903: 3888: 3885: 3883: 3880: 3878: 3875: 3874: 3872: 3868: 3862: 3859: 3857: 3854: 3852: 3849: 3847: 3844: 3842: 3839: 3837: 3834: 3832: 3829: 3827: 3824: 3822: 3819: 3818: 3816: 3814: 3810: 3798: 3795: 3793: 3790: 3788: 3785: 3783: 3780: 3779: 3778: 3775: 3773: 3770: 3766: 3763: 3761: 3758: 3757: 3756: 3755: 3753: 3751: 3747: 3741: 3738: 3736: 3733: 3731: 3728: 3726: 3723: 3721: 3720:Asteroid belt 3718: 3716: 3715:Aten asteroid 3713: 3711: 3708: 3707: 3705: 3703: 3699: 3693: 3690: 3688: 3685: 3683: 3680: 3678: 3675: 3673: 3670: 3669: 3666: 3663: 3661: 3660:Minor planets 3657: 3653: 3646: 3641: 3639: 3634: 3632: 3627: 3626: 3623: 3616: 3613: 3612: 3608: 3592: 3588: 3583: 3578: 3574: 3570: 3565: 3560: 3556: 3552: 3551: 3546: 3535: 3532: 3519: 3512: 3509: 3503: 3498: 3494: 3490: 3486: 3482: 3481: 3476: 3469: 3466: 3460: 3455: 3451: 3447: 3443: 3439: 3438: 3433: 3426: 3423: 3410: 3405: 3400: 3395: 3391: 3387: 3386: 3381: 3374: 3371: 3358: 3354: 3350: 3349: 3344: 3338: 3335: 3322: 3317: 3313: 3309: 3308: 3300: 3293: 3291: 3287: 3283: 3277: 3272: 3268: 3264: 3260: 3256: 3252: 3248: 3244: 3243: 3235: 3228: 3226: 3222: 3210: 3206: 3202: 3198: 3194: 3190: 3187:: 1724–1739. 3186: 3182: 3178: 3177: 3172: 3165: 3163: 3159: 3154: 3150: 3145: 3140: 3136: 3132: 3127: 3122: 3118: 3114: 3113: 3108: 3097: 3094: 3089: 3085: 3080: 3075: 3071: 3067: 3062: 3057: 3053: 3049: 3048: 3043: 3036: 3034: 3030: 3024: 3019: 3015: 3011: 3007: 3003: 2999: 2992: 2989: 2977: 2971: 2968: 2956: 2952: 2946: 2943: 2931: 2927: 2923: 2917: 2915: 2913: 2909: 2894: 2888: 2885: 2880: 2876: 2871: 2866: 2862: 2858: 2853: 2848: 2844: 2840: 2836: 2835: 2830: 2823: 2821: 2819: 2817: 2813: 2807: 2802: 2798: 2794: 2793: 2788: 2781: 2778: 2773: 2769: 2765: 2761: 2757: 2753: 2749: 2748: 2743: 2739: 2733: 2730: 2727: 2722: 2719: 2714: 2710: 2706: 2702: 2701: 2696: 2690: 2687: 2675: 2671: 2670: 2665: 2658: 2656: 2652: 2639: 2635: 2631: 2630: 2625: 2622:Baalke, Ron. 2618: 2616: 2612: 2605: 2595: 2592: 2589: 2585: 2581: 2575: 2572: 2564: 2556: 2552: 2547: 2541: 2538: 2531: 2527: 2524: 2522: 2519: 2518: 2514: 2509: 2506: 2502: 2501: 2495: 2490: 2485: 2481: 2478: 2473: 2470: 2467: 2464: 2461: 2458: 2455: 2452: 2449: 2446: 2436: 2432: 2427: 2422: 2418: 2416: 2415:Kitt Peak-Bok 2413: 2408: 2405: 2402: 2399: 2396: 2393: 2390: 2387: 2384: 2375: 2371: 2366: 2361: 2357: 2355: 2352: 2347: 2344: 2341: 2338: 2335: 2332: 2329: 2326: 2323: 2319: 2315: 2310: 2305: 2301: 2299: 2298:Kitt Peak-Bok 2296: 2291: 2288: 2285: 2282: 2279: 2276: 2273: 2270: 2267: 2258: 2254: 2249: 2244: 2240: 2237: 2232: 2229: 2226: 2223: 2220: 2217: 2214: 2211: 2208: 2199: 2195: 2190: 2185: 2181: 2179: 2176: 2171: 2168: 2165: 2162: 2159: 2156: 2153: 2150: 2147: 2144: 2134: 2130: 2125: 2120: 2116: 2113: 2108: 2105: 2102: 2099: 2096: 2093: 2090: 2087: 2084: 2075: 2071: 2066: 2061: 2057: 2055: 2052: 2047: 2044: 2041: 2038: 2035: 2032: 2029: 2026: 2023: 2014: 2010: 2005: 2000: 1996: 1993: 1988: 1985: 1982: 1979: 1976: 1973: 1970: 1967: 1964: 1955: 1951: 1946: 1941: 1937: 1934: 1929: 1926: 1923: 1920: 1917: 1914: 1911: 1908: 1905: 1902: 1892: 1888: 1883: 1878: 1874: 1871: 1866: 1863: 1860: 1857: 1854: 1851: 1848: 1845: 1842: 1839: 1829: 1825: 1820: 1815: 1811: 1808: 1794: 1791: 1788: 1785: 1782: 1779: 1776: 1773: 1770: 1768: 1764: 1760: 1755: 1750: 1746: 1743: 1738: 1735: 1732: 1729: 1726: 1723: 1720: 1717: 1714: 1711: 1701: 1697: 1692: 1687: 1683: 1681: 1678: 1673: 1670: 1667: 1664: 1661: 1658: 1655: 1652: 1649: 1646: 1636: 1632: 1627: 1622: 1618: 1615: 1610: 1607: 1604: 1601: 1598: 1595: 1592: 1589: 1586: 1577: 1573: 1568: 1563: 1559: 1557: 1553: 1550: 1545: 1542: 1539: 1536: 1533: 1530: 1527: 1524: 1521: 1504: 1500: 1495: 1490: 1486: 1483: 1478: 1475: 1472: 1469: 1466: 1463: 1460: 1457: 1454: 1445: 1441: 1436: 1431: 1427: 1424: 1419: 1416: 1413: 1410: 1407: 1404: 1401: 1398: 1395: 1392: 1382: 1378: 1373: 1368: 1364: 1361: 1356: 1353: 1350: 1347: 1344: 1341: 1338: 1335: 1332: 1323: 1319: 1314: 1309: 1305: 1302: 1297: 1294: 1291: 1288: 1285: 1282: 1279: 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540: 537: 532: 529: 526: 523: 520: 517: 514: 511: 508: 502: 498: 495: 492: 487: 484: 481: 478: 475: 472: 469: 466: 463: 457: 453: 449: 446: 443: 437: 434: 430: 426: 423: 419: 416: 413: 408: 405: 403: 400: 396: 393: 389: 386: 383: 378: 375: 373: 370: 369: 363: 361: 353: 351: 349: 345: 339: 331: 329: 327: 323: 318: 316: 308: 303: 301: 299: 295: 291: 287: 286: 277: 275: 273: 269: 265: 261: 253: 251: 249: 245: 241: 240:asteroid belt 233: 231: 229: 225: 221: 217: 205: 203: 199: 195: 187: 185: 183: 179: 175: 171: 166: 162: 159:'circle' and 157: 153: 149: 145: 140: 126: 121: 119: 117: 113: 109: 105: 101: 97: 93: 89: 85: 81: 77: 73: 67: 44: 37: 32: 19: 3887:Space debris 3594:. Retrieved 3554: 3548: 3534: 3522:. Retrieved 3511: 3484: 3478: 3468: 3441: 3435: 3425: 3413:. Retrieved 3389: 3383: 3373: 3361:. Retrieved 3346: 3337: 3325:. Retrieved 3311: 3305: 3280: 3246: 3240: 3212:. Retrieved 3180: 3174: 3116: 3110: 3096: 3051: 3045: 3005: 3001: 2991: 2979:. Retrieved 2970: 2959:. Retrieved 2954: 2945: 2933:. Retrieved 2925: 2900:. Retrieved 2887: 2838: 2832: 2796: 2790: 2780: 2751: 2745: 2732: 2721: 2704: 2698: 2689: 2677:. Retrieved 2667: 2642:. Retrieved 2638:the original 2627: 2594: 2584:eccentricity 2580:oscillations 2574: 2554: 2550: 2540: 2488: 2425: 2364: 2308: 2247: 2188: 2123: 2064: 2003: 1944: 1881: 1818: 1753: 1690: 1625: 1566: 1493: 1434: 1371: 1312: 1253: 1194: 1135: 1072: 1009: 946: 862: 797: 728: 665: 611:163693 Atira 597: 402:Eccentricity 357: 341: 319: 312: 283: 281: 260:impact event 257: 237: 206: 191: 178:163693 Atira 173: 169: 160: 151: 142:, after the 130: 79: 75: 71: 42: 41: 3877:Cosmic dust 3841:Long-period 3831:Halley-type 3787:Kuiper belt 3672:Designation 3415:February 9, 3253:: 355–366. 3214:February 9, 2935:30 December 2758:: 421–424. 2644:11 November 2588:inclination 2582:in orbital 447:Discoverer 407:Inclination 372:Designation 290:space probe 278:Exploration 118:asteroids. 3902:Categories 3882:Meteoroids 3861:Sungrazing 3836:Hyperbolic 3792:Oort cloud 3735:Near-Earth 3564:2006.08304 3399:2210.09652 3276:2429/37251 3126:1905.08695 3061:1806.00442 2961:2023-02-05 2902:2024-08-22 2852:1912.06109 2606:References 1552:Spacewatch 1484:Pan-STARRS 1425:Pan-STARRS 1244:Pan-STARRS 936:Pan-STARRS 534:12,103,600 377:Perihelion 348:vulcanoids 332:Vulcanoids 96:perihelion 3772:Damocloid 3591:219687045 3524:9 January 3363:9 January 3327:1 October 3209:116216149 3153:160009327 3088:119239031 3054:(2): 46. 2879:209324310 489:4,879,400 338:Vulcanoid 272:libration 264:perturbed 146:word for 3856:Periodic 3782:Detached 3702:Asteroid 3357:Archived 3251:Elsevier 3185:Elsevier 2756:Harcourt 2707:: 1041. 2515:See also 438:Diameter 395:Aphelion 198:twilight 144:Hawaiian 92:aphelion 3821:Extinct 3760:Centaur 3569:Bibcode 3489:Bibcode 3446:Bibcode 3255:Bibcode 3189:Bibcode 3131:Bibcode 3066:Bibcode 3010:Bibcode 2857:Bibcode 2760:Bibcode 2709:Bibcode 2440:2023 WK 2378:2023 EY 2321:2023 EL 2261:2022 BJ 2202:2021 VR 2138:2021 PH 2078:2021 PB 2017:2021 LJ 1958:2021 BS 1896:2020 OV 1833:2020 HA 1705:2019 LF 1640:2019 AQ 1580:2018 JB 1513:2016 XJ 1448:2017 XA 1386:2015 DR 1326:2014 FO 1267:2013 TQ 1208:2012 VE 1149:2010 XB 890:2006 KZ 877:2013 JX 547:1998 DK 456:Mercury 428:(days) 421:(days) 354:Members 344:Mercury 234:Origins 218:of the 209:1998 DK 150:, from 134:1998 DK 122:History 82:), are 3813:Comets 3725:Family 3710:Active 3677:Groups 3596:8 July 3589:  3480:Icarus 3437:Icarus 3282:named. 3242:Icarus 3207:  3151:  3086:  2981:25 May 2877:  2845:: 70. 2747:Icarus 2679:25 May 2569:--Dave 2558:Benny, 2505:albedo 2489:· 2487:  2459:0.5010 2453:0.6436 2426:· 2424:  2394:0.3978 2388:0.6033 2365:· 2363:  2333:0.2453 2327:0.7676 2309:· 2307:  2277:0.2487 2271:0.7852 2248:· 2246:  2218:0.4138 2212:0.5339 2189:· 2187:  2157:0.7117 2151:0.4617 2124:· 2122:  2094:0.1501 2088:0.7174 2065:· 2063:  2033:0.3834 2027:0.6748 2004:· 2002:  1974:0.3377 1968:0.5984 1945:· 1943:  1915:0.2541 1909:0.6376 1882:· 1880:  1852:0.1552 1846:0.8196 1819:· 1817:  1780:0.1770 1774:0.5554 1754:· 1752:  1724:0.4293 1718:0.5554 1691:· 1689:  1659:0.3143 1653:0.5887 1626:· 1624:  1596:0.2904 1590:0.6832 1567:· 1565:  1531:0.4825 1525:0.6343 1494:· 1492:  1464:0.2017 1458:0.8095 1435:· 1433:  1405:0.4716 1399:0.6665 1372:· 1370:  1342:0.2712 1336:0.7522 1313:· 1311:  1283:0.1557 1277:0.7737 1254:· 1252:  1224:0.3613 1218:0.7131 1195:· 1193:  1165:0.5339 1159:0.6180 1136:· 1134:  1102:0.3798 1096:0.6951 1073:· 1071:  1039:0.3050 1033:0.6159 1010:· 1008:  976:0.1829 970:0.7848 947:· 945:  911:0.5641 905:0.6008 863:· 861:  827:0.3722 821:0.6814 798:· 796:  783:LONEOS 762:0.5311 756:0.6353 729:· 727:  695:0.4546 689:0.6176 666:· 664:  651:LINEAR 624:0.3222 618:0.7410 598:· 596:  566:0.4160 560:0.6923 518:0.0068 512:0.7233 473:0.2056 467:0.3871 418:Period 254:Orbits 174:helios 127:Naming 112:Apollo 38:(NEOs) 3870:Other 3826:Great 3587:S2CID 3559:arXiv 3394:arXiv 3302:(PDF) 3249:(1). 3237:(PDF) 3205:S2CID 3183:(7). 3149:S2CID 3121:arXiv 3084:S2CID 3056:arXiv 2896:(PDF) 2875:S2CID 2847:arXiv 2841:(2). 2754:(2). 2563:okina 2532:Notes 2491: 2462:24.63 2456:0.966 2450:0.321 2428: 2397:35.55 2391:0.809 2385:0.398 2367: 2336:13.63 2330:0.956 2324:0.579 2311: 2280:15.83 2274:0.981 2268:0.590 2250: 2221:18.06 2215:0.755 2209:0.313 2191: 2173:1,020 2160:31.93 2154:0.790 2148:0.133 2126: 2097:24.83 2091:0.825 2085:0.610 2067: 2030:0.933 2024:0.416 2006: 1977:31.73 1971:0.800 1965:0.396 1947: 1918:32.58 1912:0.800 1906:0.476 1884: 1855:49.65 1849:0.947 1843:0.692 1821: 1800:+1100 1783:15.87 1777:0.654 1771:0.457 1756: 1740:1,230 1727:29.51 1721:0.794 1715:0.317 1693: 1675:1,120 1662:47.22 1656:0.774 1650:0.404 1628: 1612:1,020 1599:40.39 1593:0.882 1587:0.485 1569: 1556:ATLAS 1534:19.85 1528:0.940 1522:0.328 1511:(aka 1496: 1467:17.18 1461:0.973 1455:0.646 1437: 1402:0.981 1396:0.352 1374: 1345:19.20 1339:0.956 1333:0.548 1315: 1286:16.40 1280:0.894 1274:0.653 1256: 1221:0.971 1215:0.455 1197: 1168:29.89 1162:0.948 1156:0.288 1138: 1105:24.31 1099:0.959 1093:0.431 1075: 1055:1,800 1042:28.26 1036:0.804 1030:0.428 1012: 979:24.77 973:0.928 967:0.641 949: 914:10.76 908:0.940 902:0.262 887:(aka 865: 843:1,100 830:23.33 824:0.935 818:0.428 800: 765:18.94 759:0.973 753:0.298 731: 692:0.898 686:0.337 668: 627:25.62 621:0.980 615:0.502 600: 563:0.980 557:0.404 515:0.728 509:0.718 501:Venus 470:0.467 464:0.307 398:(AU) 391:(AU) 315:Venus 298:flyby 148:orbit 88:Earth 3846:Lost 3687:Moon 3682:List 3598:2020 3526:2020 3417:2023 3365:2020 3353:NASA 3329:2022 3216:2023 2983:2019 2937:2017 2930:NASA 2681:2019 2674:NASA 2646:2016 2634:NASA 2586:and 2471:20.5 2406:19.9 2345:18.9 2289:19.6 2230:18.0 2227:1012 2169:17.7 2166:1515 2106:18.8 2103:3392 2045:20.1 2036:9.83 1986:18.5 1927:18.9 1924:1169 1864:18.9 1861:3248 1802:−600 1797:1500 1792:16.2 1736:17.3 1671:17.5 1668:2175 1608:17.7 1605:2037 1543:18.4 1540:1127 1476:21.3 1473:1084 1417:20.4 1414:2156 1408:4.08 1354:20.3 1351:2779 1295:19.8 1292:2269 1236:20.2 1233:2225 1227:6.67 1177:19.9 1174:1811 1126:List 1114:18.6 1111:4496 1063:List 1051:16.5 1048:4794 1000:List 988:18.9 985:4995 923:20.1 920:5110 853:List 839:17.6 836:5814 788:List 774:18.5 771:6227 719:List 707:20.4 704:3564 698:2.95 656:List 641:4800 636:16.3 633:6601 578:25.0 569:2.02 530:−4.5 521:3.39 485:−0.6 476:7.01 450:Ref 182:NASA 172:and 161:hele 116:Amor 114:and 108:Aten 80:IEOs 3577:doi 3555:496 3497:doi 3485:163 3454:doi 3442:156 3404:doi 3390:517 3316:doi 3312:517 3271:hdl 3263:doi 3247:217 3197:doi 3139:doi 3117:487 3074:doi 3018:doi 2865:doi 2839:159 2801:doi 2797:458 2768:doi 2752:143 2494:JPL 2484:MPC 2475:280 2465:189 2431:JPL 2421:MPC 2410:370 2400:171 2370:JPL 2360:MPC 2349:580 2339:246 2314:JPL 2304:MPC 2293:430 2286:102 2283:254 2253:JPL 2243:MPC 2234:890 2224:143 2194:JPL 2184:MPC 2163:115 2129:JPL 2119:MPC 2110:620 2100:222 2070:JPL 2060:MPC 2049:340 2039:202 2009:JPL 1999:MPC 1990:710 1980:169 1950:JPL 1940:MPC 1931:590 1921:186 1887:JPL 1877:MPC 1868:590 1858:271 1824:JPL 1814:MPC 1789:609 1786:151 1759:JPL 1749:MPC 1733:796 1730:151 1696:JPL 1686:MPC 1665:165 1631:JPL 1621:MPC 1602:206 1572:JPL 1562:MPC 1547:740 1537:185 1499:JPL 1489:MPC 1480:200 1470:266 1440:JPL 1430:MPC 1421:300 1411:199 1389:215 1377:JPL 1367:MPC 1358:310 1348:238 1318:JPL 1308:MPC 1299:390 1289:249 1259:JPL 1249:MPC 1240:320 1230:220 1200:JPL 1190:MPC 1181:370 1171:177 1141:JPL 1131:MPC 1118:680 1108:212 1078:JPL 1068:MPC 1045:177 1015:JPL 1005:MPC 992:590 982:254 952:JPL 942:MPC 927:340 917:170 868:JPL 858:MPC 833:205 803:JPL 793:MPC 778:710 768:185 734:JPL 724:MPC 711:300 701:177 681:130 671:JPL 661:MPC 645:500 630:233 603:JPL 593:MPC 572:210 524:225 194:Sun 152:apo 70:or 3904:: 3585:. 3575:. 3567:. 3553:. 3547:. 3495:. 3483:. 3477:. 3452:. 3440:. 3434:. 3402:. 3388:. 3382:. 3355:. 3351:. 3345:. 3310:. 3304:. 3289:^ 3279:. 3269:. 3261:. 3245:. 3239:. 3224:^ 3203:. 3195:. 3181:59 3179:. 3173:. 3161:^ 3147:. 3137:. 3129:. 3115:. 3109:. 3082:. 3072:. 3064:. 3050:. 3044:. 3032:^ 3016:. 3004:. 3000:. 2953:. 2928:. 2924:. 2911:^ 2873:. 2863:. 2855:. 2837:. 2831:. 2815:^ 2795:. 2789:. 2766:. 2750:. 2740:; 2705:30 2703:. 2672:. 2666:. 2654:^ 2632:. 2626:. 2614:^ 2553:– 2549:: 2141:27 1983:46 1836:10 1515:24 1328:47 1210:46 1151:11 1088:90 1025:32 893:39 880:28 813:45 582:35 550:36 538:NA 527:NA 493:NA 482:NA 479:88 444:) 435:) 414:) 384:) 382:AU 211:36 184:. 137:36 110:, 60:ɪr 3644:e 3637:t 3630:v 3600:. 3579:: 3571:: 3561:: 3543:2 3528:. 3505:. 3499:: 3491:: 3462:. 3456:: 3448:: 3419:. 3406:: 3396:: 3367:. 3331:. 3318:: 3273:: 3265:: 3257:: 3218:. 3199:: 3191:: 3155:. 3141:: 3133:: 3123:: 3105:3 3090:. 3076:: 3068:: 3058:: 3052:2 3026:. 3020:: 3012:: 3006:7 2985:. 2964:. 2939:. 2905:. 2881:. 2867:: 2859:: 2849:: 2809:. 2803:: 2774:. 2770:: 2762:: 2715:. 2711:: 2683:. 2648:. 2468:3 2443:3 2403:6 2380:2 2342:9 2263:8 2204:3 2080:2 2042:5 2019:4 1960:1 1899:1 1708:6 1643:3 1582:3 1518:) 1450:1 1269:5 962:4 898:) 746:6 643:± 575:1 442:m 440:( 433:H 431:( 412:° 410:( 380:( 78:( 66:/ 63:ə 57:t 54:ˈ 51:ə 48:/ 20:)

Index

Vatira asteroid

Near-Earth Objects
/əˈtɪrə/
Near-Earth objects
Earth
aphelion
perihelion
astronomical units
near-Earth objects
Aten
Apollo
Amor
1998 DK36
Hawaiian
orbit
[ˈɐpo]
[ˈhɛlɛ]
163693 Atira
NASA
Sun
twilight
Robert Trumpler
David J. Tholen
Mauna Kea Observatory
numbered designation
potentially hazardous objects
asteroid belt
gravitational perturbation
Yarkovsky effect

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