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15810 Arawn

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probe in 2015 made it possible to calculate the motion of Arawn much more accurately. These calculations confirm the general dynamics described in the hypotheses. However, it is not agreed upon among astronomers whether Arawn should be classified as a quasi-satellite of Pluto based on this motion
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imaged Arawn from a new record distance of about 111 million kilometres, using the LORRI instrument. The new images allowed the science team at Southwest Research Institute (SwRI) in Boulder, Colorado, to further pinpoint the location of Arawn to within 1000 kilometers. The new data also made it
692: 654:(JWST) conducted an observation of the Kuiper Belt object Arawn for a duration of 1 minute and 4 seconds using its NIRCam instrument in Moving Target mode with published findings expected at a later date. 2461: 1077: 2675: 1883: 1331: 582:
loop around Pluto, as part of a recurring pattern, becoming a Plutonian quasi-satellite every 2 Myr and remaining in that phase for nearly 350,000 years. Measurements made by the
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spacecraft, which imaged it from a distance of 111 million km (69 million mi; 0.74 AU) in April 2016; this and its other observations have allowed its
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Arawn is moving in a very stable orbit, likely as stable as Pluto's. This suggests that it might be a primordial plutino formed around the same time Pluto itself and
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came into existence. It is unlikely to be relatively recent debris that originated in collisions within Pluto's system or a captured object.
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since its orbit is primarily controlled by Neptune with only occasional smaller perturbations caused by Pluto.
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Arawn is unusual in that it has been observed at a much closer distance than most Kuiper belt objects, by the
2685: 2059: 1819: 1703: 1615: 1461: 1374: 749: 382: 369: 293: 253: 240: 946:"The First High-phase Observations of a KBO: New Horizons Imaging of (15810) 1994 JR1 from the Kuiper Belt" 2701: 2655: 2559: 1892: 1740: 745: 563: 479: 447: 188: 2850: 2736: 2193: 2137: 1645: 1550: 559: 351: 222: 39: 1043:"Scientists Determine Color of Kuiper Belt Objects JR1 and MU69 | Planetary Science, Space Exploration" 1297: 2719: 2466: 2179: 2083: 1964: 1713: 1450: 1190: 1096: 1042: 969: 528: 275: 2809: 2554: 2481: 2427: 2336: 2301: 2071: 532: 328: 1132: 2797: 2785: 2471: 2324: 1180: 1114: 1086: 987: 959: 412: 1496: 645:
possible for scientists to observe its rotation period, which was determined to be 5.47 hours.
2830: 2615: 2590: 2580: 2312: 2052: 2018: 1943: 1698: 1650: 1271: 610: 516: 475: 246: 210: 70: 816: 2761: 1824: 1198: 1104: 977: 471: 400: 203: 119: 66: 1480: 1472: 2575: 2232: 2076: 2064: 1996: 1916: 1745: 1688: 1673: 1561: 1512: 1432: 1381: 1353: 789: 614: 579: 567: 512: 496: 467: 230: 154: 1456: 1466: 1438: 1194: 1100: 973: 2712: 2610: 2529: 1926: 1911: 1760: 1728: 1693: 1421: 536: 309: 286: 1504: 1425: 1167:"The analemma criterion: accidental quasi-satellites are indeed true quasi-satellites" 982: 945: 880: 2819: 2625: 2595: 2252: 2035: 2013: 1981: 1784: 1683: 1678: 1118: 1109: 1072: 598: 558:
It measures approximately 133 km (83 mi) in diameter, based on an absolute
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Arawn is moving in a relatively eccentric orbit entirely beyond the orbit of
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This four-frame animation depicting Arawn was taken on 2 November 2015, by
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was discovered in 2014, Arawn was the best known target for a flyby by the
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Arawn was one of the first objects targeted for distant observations by
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Arawn is currently relatively close to Pluto. In 2017 it was only 2.7
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On 2 November 2015, Arawn was imaged by the LORRI instrument aboard
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de la Fuente Marcos, C.; de la Fuente Marcos, R. (November 2012).
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Discovery Circumstances: Numbered Minor Planets (15001)-(20000)
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de la Fuente Marcos, Carlos; de la Fuente Marcos, Raúl (2016).
817:"MPEC 2008-O05 : Distant Minor Planets (2008 Aug. 2.0 TT)" 128: 1013:"New Horizons Collects First Science on a Post-Pluto Object" 562:
of 7.6, and an estimated albedo of 0.1. Observations by the
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show that Arawn has a very red surface. In April 2016, its
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Monthly Notices of the Royal Astronomical Society: Letters
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Cape Canaveral Air Force Station Space Launch Complex 41
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Quasi-satellite dynamical state and orbital evolution
527:(farthest distance from the Sun) of 44.1 AU, an 131: 470:, and was discovered on 12 May 1994, by astronomers 2694: 2638: 2568: 2517: 2510: 2490: 2442: 2435: 2363: 2241: 2210: 2203: 2092: 1952: 1899: 1833: 1775: 1712: 1664: 1622: 939: 937: 935: 933: 906: 904: 902: 848:"JPL Small-Body Database Browser: 15810 (1994 JR1)" 410: 398: 380: 368: 361: 349: 337: 327: 315: 300: 284: 274: 262: 252: 239: 229: 202: 180: 163: 142: 122: 113: 101: 96: 88: 76: 60: 55: 1007: 1005: 1003: 1001: 523:(closest approach to the Sun) of 34.7 AU, an 1172:Monthly Notices of the Royal Astronomical Society 740: 738: 736: 1244:Ted Stryk / Emily Lakdawalla (24 January 2011). 1019:. NASA/JHUAPL/SwRI. 17 May 2016. Archived from 2145: 1877: 1600: 1535: 8: 790:"Orbit Fit and Astrometric record for 15810" 32: 1160: 1158: 27:Kuiper belt object observed by New Horizons 2514: 2439: 2207: 2152: 2138: 2130: 1884: 1870: 1862: 1628: 1607: 1593: 1585: 1542: 1528: 1520: 1465: 623:spacecraft after its Pluto flyby in 2015. 578:In 2012 Arawn was hypothesized to be in a 38: 1445:Asteroids and comets rotation curves, CdR 1202: 1184: 1108: 1090: 981: 963: 875: 873: 842: 840: 838: 1066: 1064: 551:with Neptune, similarly to dwarf planet 2856:Astronomical objects discovered in 1994 2826:Minor planet object articles (numbered) 2752: 1447:– Observatoire de Genève, Raoul Behrend 1397: 1219:"50000 Quaoar distance (AU) from Pluto" 881:"List of Known Trans-Neptunian Objects" 732: 656: 944:Porter, Simon B.; et al. (2016). 44:A distant view of Arawn (center) from 31: 1334:from the original on 26 November 2021 796:from the original on 14 February 2012 340:Longitude of ascending node 7: 1308:from the original on 8 December 2015 1049:from the original on 4 November 2016 918:from the original on 5 November 2016 756:from the original on 27 October 2017 685:and other nearby Kuiper belt objects 666:April 2016 observations of Arawn by 450:(TNO) from the inner regions of the 2477:Venetia Burney Student Dust Counter 1470: 1422:Asteroid Lightcurve Database (LCDB) 792:. SwRI (Space Science Department). 1278:from the original on 16 April 2014 887:from the original on 13 March 2002 858:from the original on 10 March 2020 484:Roque de los Muchachos Observatory 25: 1375:RECON: TNO occultation with 15810 951:The Astrophysical Journal Letters 815:Brian G. Marsden (17 July 2008). 776:The Four Branches of The Mabinogi 466:, the ruler of the underworld in 2803: 2791: 2779: 2767: 2755: 2732: 2731: 2457:Long Range Reconnaissance Imager 2426: 1439:Dictionary of Minor Planet Names 1304:. NASA/JHUAPL. 4 December 2015. 1252:from the original on 1 July 2011 1143:from the original on 1 July 2015 1110:10.1111/j.1745-3933.2012.01350.x 788:Marc W. Buie (14 October 2006). 690: 674: 659: 118: 2841:Discoveries by Michael J. Irwin 1330:. SpaceDaily. 7 December 2015. 823:from the original on 3 May 2020 721:List of trans-Neptunian objects 1248:. The Planetary Society Blog. 570:of 5.47 hours was determined. 486:in the Canary Islands, Spain. 1: 2836:Discoveries by Anna N. Żytkow 555:, the largest known plutino. 503:Orbit and physical properties 458:, the most populous class of 2550:Southwest Research Institute 1356:. James Webb Space Telescope 2535:Goddard Space Flight Center 983:10.3847/2041-8205/828/2/L15 912:"Catalog Page for PIA20589" 819:. IAU Minor Planet Center. 352:Argument of perihelion 2872: 2525:Applied Physics Laboratory 706:a star on 25 August 2022. 651:James Webb Space Telescope 183:Minor planet category 2729: 2540:Jet Propulsion Laboratory 2424: 2169: 1631: 1616:Small Solar System bodies 1557: 852:Jet Propulsion Laboratory 697:Orbit of Arawn near Pluto 547:, being trapped in a 2:3 425: 374:133 km (83 mi) 287:Orbital period (sidereal) 221: 209: 37: 1431:16 December 2017 at the 850:(2016-04-08 last obs.). 640:Between 7–8 April 2016, 413:Absolute magnitude  376:145 km (90 mi) 363:Physical characteristics 166:Alternative designations 1893:Trans-Neptunian objects 1551:Minor planets navigator 1462:JPL Small-Body Database 1380:3 November 2022 at the 778:, Broadview Press, 2017 774:Matthieu Boyd, trans., 750:IAU Minor Planet Center 436:provisional designation 383:Synodic rotation period 204:Orbital characteristics 2702:Hubble Space Telescope 2560:University of Colorado 1912:Scattered-disc objects 1741:Trans-Neptunian object 1574:15811 Nüsslein-Volhard 1272:"25 closer candidates" 883:. Johnston's Archive. 648:On 15 April 2024, the 564:Hubble Space Telescope 480:Isaac Newton Telescope 448:trans-Neptunian object 2194:New Frontiers program 1453:– Minor Planet Center 1204:10.1093/mnras/stw1833 1139:. 24 September 2012. 549:mean motion resonance 462:. It was named after 235:21.91 yr (8,002 days) 223:Uncertainty parameter 2720:Pluto Kuiper Express 2180:Exploration of Pluto 1714:Distant minor planet 539:with respect to the 104:MPC designation 2846:Named minor planets 2555:Stanford University 2119:541132 Leleākūhonua 1513:Physical parameters 1225:on 25 February 2012 1195:2016MNRAS.462.3344D 1137:Sky & Telescope 1133:"Pluto's fake moon" 1101:2012MNRAS.427L..85D 974:2016ApJ...828L..15P 613:from Pluto. Before 478:with the 2.5-metre 89:Discovery date 78:Discovery site 34: 2686:Deep Space Network 499:to be determined. 213:16 February 2017 ( 62:Discovered by 2743: 2742: 2681: 2671: 2661: 2651: 2634: 2633: 2506: 2505: 2422: 2421: 2127: 2126: 1859: 1858: 1771: 1770: 1656:Meanings of names 1582: 1581: 429: 428: 50:in November 2015. 16:(Redirected from 2863: 2808: 2807: 2806: 2796: 2795: 2794: 2784: 2783: 2782: 2772: 2771: 2760: 2759: 2758: 2751: 2735: 2734: 2679: 2669: 2659: 2649: 2515: 2440: 2430: 2415: 2413: 2412: 2403: 2401: 2400: 2391: 2389: 2388: 2379: 2377: 2376: 2356: 2354: 2353: 2344: 2342: 2341: 2337:(556416) 2014 OE 2332: 2330: 2329: 2325:(516977) 2012 HZ 2320: 2318: 2317: 2313:(307261) 2002 MS 2278: 2276: 2275: 2266: 2264: 2263: 2208: 2154: 2147: 2140: 2131: 2115: 2113: 2112: 1958: 1922:Resonant objects 1917:Detached objects 1886: 1879: 1872: 1863: 1629: 1609: 1602: 1595: 1586: 1544: 1537: 1530: 1521: 1505:Orbital elements 1469: 1409: 1402: 1385: 1372: 1366: 1365: 1363: 1361: 1350: 1344: 1343: 1341: 1339: 1324: 1318: 1317: 1315: 1313: 1294: 1288: 1287: 1285: 1283: 1268: 1262: 1261: 1259: 1257: 1241: 1235: 1234: 1232: 1230: 1221:. Archived from 1215: 1209: 1208: 1206: 1188: 1179:(3): 3344–3349. 1162: 1153: 1152: 1150: 1148: 1129: 1123: 1122: 1112: 1094: 1068: 1059: 1058: 1056: 1054: 1045:. Sci-News.com. 1039: 1033: 1032: 1030: 1028: 1009: 996: 995: 985: 967: 941: 928: 927: 925: 923: 908: 897: 896: 894: 892: 877: 868: 867: 865: 863: 844: 833: 832: 830: 828: 812: 806: 805: 803: 801: 785: 779: 772: 766: 765: 763: 761: 742: 694: 678: 663: 531:of 0.12, and an 444: 401:Geometric albedo 394: 392: 176: 159: 158: 138: 137: 134: 133: 130: 127: 124: 42: 35: 21: 2871: 2870: 2866: 2865: 2864: 2862: 2861: 2860: 2816: 2815: 2814: 2804: 2802: 2792: 2790: 2780: 2778: 2766: 2756: 2754: 2746: 2744: 2739: 2725: 2690: 2630: 2576:Frances Bagenal 2564: 2502: 2486: 2431: 2418: 2410: 2409: 2406: 2398: 2397: 2394: 2386: 2385: 2382: 2374: 2373: 2370: 2359: 2351: 2350: 2347: 2339: 2338: 2335: 2327: 2326: 2323: 2315: 2314: 2311: 2273: 2272: 2269: 2261: 2260: 2257: 2237: 2233:486958 Arrokoth 2199: 2198: 2165: 2158: 2128: 2123: 2110: 2109: 2106: 2088: 1956: 1948: 1927:Neptune trojans 1895: 1890: 1860: 1855: 1829: 1767: 1708: 1660: 1618: 1613: 1583: 1578: 1562:(15809) 1994 JS 1553: 1548: 1433:Wayback Machine 1418: 1413: 1412: 1403: 1399: 1394: 1389: 1388: 1382:Wayback Machine 1373: 1369: 1359: 1357: 1354:"JWST Schedule" 1352: 1351: 1347: 1337: 1335: 1326: 1325: 1321: 1311: 1309: 1296: 1295: 1291: 1281: 1279: 1270: 1269: 1265: 1255: 1253: 1243: 1242: 1238: 1228: 1226: 1217: 1216: 1212: 1164: 1163: 1156: 1146: 1144: 1131: 1130: 1126: 1070: 1069: 1062: 1052: 1050: 1041: 1040: 1036: 1026: 1024: 1011: 1010: 999: 943: 942: 931: 921: 919: 910: 909: 900: 890: 888: 879: 878: 871: 861: 859: 846: 845: 836: 826: 824: 814: 813: 809: 799: 797: 787: 786: 782: 773: 769: 759: 757: 746:"(15810) Arawn" 744: 743: 734: 729: 712: 698: 695: 686: 679: 670: 664: 615:486958 Arrokoth 607: 595: 580:quasi-satellite 576: 568:rotation period 513:semi-major axis 505: 497:rotation period 468:Welsh mythology 443: 439: 418: 403: 390: 388: 385: 375: 354: 342: 323:0° 0 14.4 / day 320: 305: 289: 267: 265:Semi-major axis 231:Observation arc 185: 175: 171: 168: 155:Welsh mythology 152: 148: 145: 121: 117: 106: 69: 51: 28: 23: 22: 15: 12: 11: 5: 2869: 2867: 2859: 2858: 2853: 2848: 2843: 2838: 2833: 2828: 2818: 2817: 2813: 2812: 2800: 2788: 2776: 2764: 2741: 2740: 2730: 2727: 2726: 2724: 2723: 2716: 2713:New Horizons 2 2709: 2704: 2698: 2696: 2692: 2691: 2689: 2688: 2683: 2673: 2663: 2653: 2650:launch vehicle 2642: 2640: 2636: 2635: 2632: 2631: 2629: 2628: 2623: 2618: 2616:Mark Showalter 2613: 2611:Daniel Sarokon 2608: 2603: 2598: 2593: 2588: 2583: 2581:Richard Binzel 2578: 2572: 2570: 2566: 2565: 2563: 2562: 2557: 2552: 2547: 2542: 2537: 2532: 2530:Ball Aerospace 2527: 2521: 2519: 2512: 2508: 2507: 2504: 2503: 2501: 2500: 2494: 2492: 2488: 2487: 2485: 2484: 2479: 2474: 2469: 2464: 2459: 2454: 2448: 2446: 2437: 2433: 2432: 2425: 2423: 2420: 2419: 2417: 2416: 2404: 2392: 2380: 2367: 2365: 2361: 2360: 2358: 2357: 2345: 2333: 2321: 2309: 2304: 2299: 2294: 2289: 2284: 2279: 2267: 2255: 2245: 2243: 2239: 2238: 2236: 2235: 2230: 2225: 2220: 2214: 2212: 2205: 2201: 2200: 2197: 2196: 2191: 2182: 2177: 2171: 2170: 2167: 2166: 2159: 2157: 2156: 2149: 2142: 2134: 2125: 2124: 2122: 2121: 2116: 2104: 2098: 2096: 2090: 2089: 2087: 2086: 2081: 2080: 2079: 2069: 2068: 2067: 2057: 2056: 2055: 2045: 2044: 2043: 2038: 2028: 2027: 2026: 2021: 2016: 2006: 2005: 2004: 1999: 1994: 1989: 1984: 1974: 1973: 1972: 1961: 1959: 1950: 1949: 1947: 1946: 1941: 1940: 1939: 1934: 1929: 1919: 1914: 1909: 1903: 1901: 1897: 1896: 1891: 1889: 1888: 1881: 1874: 1866: 1857: 1856: 1854: 1853: 1848: 1843: 1837: 1835: 1831: 1830: 1828: 1827: 1822: 1817: 1815:Near-parabolic 1812: 1807: 1802: 1797: 1792: 1787: 1781: 1779: 1773: 1772: 1769: 1768: 1766: 1765: 1764: 1763: 1761:Scattered disc 1758: 1753: 1748: 1738: 1733: 1732: 1731: 1729:Neptune trojan 1726: 1718: 1716: 1710: 1709: 1707: 1706: 1704:Spectral types 1701: 1696: 1694:Jupiter trojan 1691: 1686: 1681: 1676: 1670: 1668: 1662: 1661: 1659: 1658: 1653: 1648: 1643: 1638: 1632: 1626: 1620: 1619: 1614: 1612: 1611: 1604: 1597: 1589: 1580: 1579: 1577: 1576: 1571: 1564: 1558: 1555: 1554: 1549: 1547: 1546: 1539: 1532: 1524: 1518: 1517: 1516: 1515: 1473:Close approach 1454: 1448: 1442: 1441:, Google books 1436: 1424:, query form ( 1417: 1416:External links 1414: 1411: 1410: 1396: 1395: 1393: 1390: 1387: 1386: 1384:- Marc W. Buie 1367: 1345: 1319: 1289: 1263: 1236: 1210: 1154: 1124: 1085:(1): L85–L89. 1060: 1034: 1023:on 7 June 2016 997: 929: 898: 869: 834: 807: 780: 767: 731: 730: 728: 725: 724: 723: 718: 711: 708: 700: 699: 696: 689: 687: 681:Trajectory of 680: 673: 671: 665: 658: 606: 603: 594: 591: 575: 572: 504: 501: 441: 427: 426: 423: 422: 419: 411: 408: 407: 404: 399: 396: 395: 386: 381: 378: 377: 372: 366: 365: 359: 358: 355: 350: 347: 346: 343: 338: 335: 334: 331: 325: 324: 321: 316: 313: 312: 306: 301: 298: 297: 290: 285: 282: 281: 278: 272: 271: 268: 263: 260: 259: 256: 250: 249: 243: 237: 236: 233: 227: 226: 219: 218: 207: 206: 200: 199: 186: 181: 178: 177: 173: 169: 164: 161: 160: 146: 143: 140: 139: 115: 111: 110: 107: 102: 99: 98: 94: 93: 90: 86: 85: 80: 74: 73: 64: 58: 57: 53: 52: 43: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 2868: 2857: 2854: 2852: 2849: 2847: 2844: 2842: 2839: 2837: 2834: 2832: 2829: 2827: 2824: 2823: 2821: 2811: 2801: 2799: 2789: 2787: 2777: 2775: 2770: 2765: 2763: 2753: 2749: 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1697: 1695: 1692: 1690: 1687: 1685: 1684:Asteroid belt 1682: 1680: 1679:Aten asteroid 1677: 1675: 1672: 1671: 1669: 1667: 1663: 1657: 1654: 1652: 1649: 1647: 1644: 1642: 1639: 1637: 1634: 1633: 1630: 1627: 1625: 1624:Minor planets 1621: 1617: 1610: 1605: 1603: 1598: 1596: 1591: 1590: 1587: 1575: 1572: 1570: 1569: 1565: 1563: 1560: 1559: 1556: 1552: 1545: 1540: 1538: 1533: 1531: 1526: 1525: 1522: 1514: 1510: 1506: 1502: 1498: 1497:Orbit diagram 1494: 1490: 1486: 1482: 1478: 1474: 1471: 1468: 1464: 1463: 1458: 1455: 1452: 1449: 1446: 1443: 1440: 1437: 1434: 1430: 1427: 1423: 1420: 1419: 1415: 1407: 1401: 1398: 1391: 1383: 1379: 1376: 1371: 1368: 1355: 1349: 1346: 1333: 1329: 1323: 1320: 1307: 1303: 1299: 1293: 1290: 1277: 1273: 1267: 1264: 1251: 1247: 1240: 1237: 1224: 1220: 1214: 1211: 1205: 1200: 1196: 1192: 1187: 1182: 1178: 1174: 1173: 1168: 1161: 1159: 1155: 1142: 1138: 1134: 1128: 1125: 1120: 1116: 1111: 1106: 1102: 1098: 1093: 1088: 1084: 1080: 1079: 1074: 1067: 1065: 1061: 1048: 1044: 1038: 1035: 1022: 1018: 1014: 1008: 1006: 1004: 1002: 998: 993: 989: 984: 979: 975: 971: 966: 961: 957: 953: 952: 947: 940: 938: 936: 934: 930: 917: 913: 907: 905: 903: 899: 886: 882: 876: 874: 870: 857: 853: 849: 843: 841: 839: 835: 822: 818: 811: 808: 795: 791: 784: 781: 777: 771: 768: 755: 751: 747: 741: 739: 737: 733: 726: 722: 719: 717: 714: 713: 709: 707: 705: 693: 688: 684: 677: 672: 669: 662: 657: 655: 653: 652: 646: 643: 638: 636: 631: 629: 624: 622: 621: 616: 612: 604: 602: 600: 592: 590: 587: 586: 581: 573: 571: 569: 565: 561: 556: 554: 550: 546: 542: 538: 534: 530: 526: 522: 518: 515:of 39.4  514: 510: 502: 500: 498: 494: 493: 487: 485: 481: 477: 473: 472:Michael Irwin 469: 465: 461: 460:resonant TNOs 457: 453: 449: 445: 437: 433: 424: 420: 417: 416: 409: 405: 402: 397: 387: 384: 379: 373: 371: 367: 364: 360: 356: 353: 348: 344: 341: 336: 332: 330: 326: 322: 319: 314: 311: 307: 304: 299: 296:(90,609 days) 295: 291: 288: 283: 279: 277: 273: 269: 266: 261: 257: 255: 251: 248: 244: 242: 238: 234: 232: 228: 224: 220: 216: 212: 208: 205: 201: 198: 194: 190: 187: 184: 179: 170: 167: 162: 156: 151: 147: 141: 136: 116: 114:Pronunciation 112: 109:(15810) Arawn 108: 105: 100: 95: 91: 87: 84: 83:La Palma Obs. 81: 79: 75: 72: 68: 65: 63: 59: 54: 49: 48: 41: 36: 30: 19: 2851:New Horizons 2810:Solar System 2718: 2711: 2586:Alice Bowman 2518:Institutions 2281: 2242:Observations 2187:New Horizons 2186: 2162:New Horizons 2160: 1851:Space debris 1566: 1508: 1500: 1492: 1484: 1476: 1460: 1406:New Horizons 1405: 1400: 1370: 1358:. Retrieved 1348: 1336:. Retrieved 1322: 1310:. Retrieved 1302:New Horizons 1301: 1292: 1282:30 September 1280:. Retrieved 1266: 1254:. Retrieved 1239: 1227:. Retrieved 1223:the original 1213: 1176: 1170: 1147:24 September 1145:. Retrieved 1136: 1127: 1082: 1076: 1051:. Retrieved 1037: 1025:. Retrieved 1021:the original 1017:New Horizons 1016: 955: 949: 920:. Retrieved 889:. Retrieved 860:. Retrieved 825:. Retrieved 810: 798:. Retrieved 783: 775: 770: 758:. Retrieved 701: 683:New Horizons 682: 668:New Horizons 667: 649: 647: 642:New Horizons 641: 639: 635:New Horizons 634: 632: 628:New Horizons 627: 625: 620:New Horizons 618: 608: 596: 585:New Horizons 583: 577: 557: 529:eccentricity 506: 492:New Horizons 490: 488: 438: 431: 430: 414: 303:Mean anomaly 276:Eccentricity 192: 97:Designations 47:New Horizons 45: 29: 2798:Outer space 2786:Spaceflight 2707:Kuiper belt 2680:launch site 2660:upper stage 2606:Cathy Olkin 2444:Instruments 2287:28978 Ixion 2282:15810 Arawn 2102:90377 Sedna 1900:TNO classes 1841:Cosmic dust 1805:Long-period 1795:Halley-type 1751:Kuiper belt 1636:Designation 1568:15810 Arawn 1457:15810 Arawn 1229:18 December 716:Kuiper belt 605:Observation 533:inclination 476:Anna Żytkow 452:Kuiper belt 432:15810 Arawn 393:0.33 h 329:Inclination 318:Mean motion 144:Named after 92:12 May 1994 67:M. J. Irwin 33:15810 Arawn 2820:Categories 2626:Hal Weaver 2621:Alan Stern 2491:Subsystems 2436:Spacecraft 2218:132524 APL 1846:Meteoroids 1825:Sungrazing 1800:Hyperbolic 1756:Oort cloud 1699:Near-Earth 1338:8 December 1312:5 December 1256:25 January 1186:1607.06686 1053:2 November 965:1605.05376 958:(2): L15. 922:5 November 760:17 January 727:References 543:. It is a 521:perihelion 370:Dimensions 254:Perihelion 217:2457800.5) 2762:Astronomy 2670:3rd stage 2639:Logistics 2601:Brian May 2591:Marc Buie 2511:Personnel 1944:TNO moons 1907:Cubewanos 1736:Damocloid 1489:Ephemeris 1481:Discovery 1119:118570875 1092:1209.3116 1027:26 August 891:26 August 862:26 August 827:26 August 800:2 October 560:magnitude 511:. With a 270:39.480 AU 258:34.720 AU 71:A. Żytkow 56:Discovery 2831:Plutinos 2737:Category 2666:Star 48B 2498:GPHS-RTG 2364:Rejected 2307:Makemake 2185:List of 2175:Timeline 2094:Sednoids 2077:Dysnomia 2065:Xiangliu 2060:Gonggong 2048:Makemake 1997:Kerberos 1937:Twotinos 1932:Plutinos 1820:Periodic 1746:Detached 1666:Asteroid 1429:Archived 1378:Archived 1360:17 April 1332:Archived 1306:Archived 1276:Archived 1250:Archived 1141:Archived 1047:Archived 992:54507506 916:Archived 885:Archived 856:Archived 821:Archived 794:Archived 754:Archived 710:See also 704:occulted 541:ecliptic 525:aphelion 456:plutinos 241:Aphelion 18:1994 JR1 2748:Portals 2695:Related 2656:Centaur 2646:Atlas V 2408:2014 PN 2396:2014 OS 2384:2014 MT 2372:2011 HM 2349:2012 HE 2271:2011 KW 2259:2011 JY 2249:Neptune 2223:Jupiter 2204:Targets 2108:2012 VP 2019:Hiʻiaka 1957:(moons) 1785:Extinct 1724:Centaur 1459:at the 1191:Bibcode 1097:Bibcode 970:Bibcode 545:plutino 509:Neptune 446:) is a 440:1994 JR 357:101.89° 345:144.69° 333:3.8074° 292:248.07 245:44.241 197:plutino 172:1994 JR 2569:People 2545:KinetX 2462:PEPSSI 2297:Haumea 2292:Quaoar 2253:Triton 2211:Flybys 2189:topics 2036:Weywot 2031:Quaoar 2014:Namaka 2009:Haumea 1982:Charon 1777:Comets 1689:Family 1674:Active 1641:Groups 1509:· 1507:  1501:· 1499:  1493:· 1491:  1485:· 1483:  1477:· 1475:  1117:  990:  702:Arawn 599:Charon 593:Origin 308:30.638 280:0.1206 193:· 191:  2774:Stars 2467:Ralph 2452:Alice 2228:Pluto 2084:Sedna 2041:Rings 2002:Hydra 1977:Pluto 1970:Vanth 1965:Orcus 1834:Other 1790:Great 1511: 1503: 1495: 1487: 1479: 1392:Notes 1181:arXiv 1115:S2CID 1087:arXiv 988:S2CID 960:arXiv 553:Pluto 464:Arawn 211:Epoch 195: 150:Arawn 2482:SWAP 2302:Eris 2251:and 2072:Eris 2024:Ring 1987:Styx 1810:Lost 1651:Moon 1646:List 1426:info 1362:2024 1340:2015 1314:2015 1284:2012 1258:2011 1231:2007 1149:2012 1055:2016 1029:2016 924:2016 893:2016 864:2016 829:2016 802:2008 762:2017 535:of 4 474:and 406:0.04 389:5.47 2472:REX 2399:393 2375:102 2340:394 2111:113 2053:MK2 1992:Nix 1199:doi 1177:462 1105:doi 1083:427 978:doi 956:828 482:at 421:7.6 415:(H) 189:TNO 126:ɑːr 2822:: 2411:70 2387:69 2352:85 2328:84 2274:48 2262:31 1300:. 1274:. 1197:. 1189:. 1175:. 1169:. 1157:^ 1135:. 1113:. 1103:. 1095:. 1081:. 1075:. 1063:^ 1015:. 1000:^ 986:. 976:. 968:. 954:. 948:. 932:^ 914:. 901:^ 872:^ 854:. 837:^ 752:. 748:. 735:^ 611:AU 517:AU 294:yr 247:AU 215:JD 129:aʊ 2750:: 2682:) 2678:( 2672:) 2668:( 2662:) 2658:( 2652:) 2648:( 2316:4 2153:e 2146:t 2139:v 1885:e 1878:t 1871:v 1608:e 1601:t 1594:v 1543:e 1536:t 1529:v 1435:) 1364:. 1342:. 1316:. 1286:. 1260:. 1233:. 1207:. 1201:: 1193:: 1183:: 1151:. 1121:. 1107:: 1099:: 1089:: 1057:. 1031:. 994:. 980:: 972:: 962:: 926:. 895:. 866:. 831:. 804:. 764:. 537:° 442:1 434:( 391:± 310:° 225:2 174:1 157:) 153:( 135:/ 132:n 123:ˈ 120:/ 20:)

Index

1994 JR1

New Horizons
Discovered by
M. J. Irwin
A. Żytkow
Discovery site
La Palma Obs.
MPC designation
/ˈɑːrn/
Arawn
Welsh mythology
Alternative designations
Minor planet category
TNO
plutino
Orbital characteristics
Epoch
JD
Uncertainty parameter
Observation arc
Aphelion
AU
Perihelion
Semi-major axis
Eccentricity
Orbital period (sidereal)
yr
Mean anomaly
°

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