31:
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552:(LORRI) on 5 December 2017 at more than 6.12 billion kilometers (40.9 AU) away from Earth. This record was previously held by the
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723:
549:
60:
613:
of 8.9. Another estimates gives a smaller diameter of 31 kilometers due to an assumed albedo of 0.15. As of 2019, no rotational
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230:
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717:
Buie, M. W.; Parker, A. H.; Tholen, D. J.; Borncamp, D. M.; Osip, D. J.; Schechter, P. L.; et al. (20 January 2016).
1107:
862:
633:
1031:
589:. Both objects held this record for little more than one year, until it was superseded on New Year's Eve 2018/19, when
1386:
415:, approximately 74 kilometers (46 miles) in diameter. It was first observed by a team of astronomers using one of the
1550:
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in 2017, it was the farthest from Earth ever captured by a spacecraft. The image was taken by the spacecraft's
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916:
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605:
According to
Johnston's Archive, the object measures 74 kilometers in diameter based on an assumed
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was imaged by the spacecraft from afar at a record distance from Earth in 2017.
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Las
Cumbres Observatory – Minor planet follow-up portal
454:
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1209:
423:
on 18 April 2012, in order to find a potential flyby target for the
1522:
1177:
522:
890:"New Horizons Captures Record-Breaking Images in the Kuiper Belt"
1334:
1066:
597:
at a new record distance of 6.4 billion kilometers from Earth.
564:
image at 6.06 billion kilometers from Earth in
February 1990.
823:
821:
819:
817:
485:
begins with its official first observation by David Osip,
457:. It orbits the Sun at a distance of 40.2–49.6
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946:The Deep Ecliptic Survey Object Classifications
917:"The Hunt Is On for Moons Around Ultima Thule"
884:
882:
880:
858:"Orbit Fit and Astrometric record for VNH0021"
797:"JPL Small-Body Database Browser: (2012 HE85)"
1346:
1078:
755:
753:
751:
749:
571:also imaged the classical Kuiper belt object
8:
684:
682:
680:
678:
676:
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18:
1628:Discoveries by the New Horizons KBO Search
1618:Trans-Neptunian objects in a 5:9 resonance
1374:
1353:
1339:
1331:
1085:
1071:
1063:
852:
850:
515:, located in the Atacama desert in Chile.
29:
1623:Minor planet object articles (unnumbered)
791:
789:
787:
785:
783:
781:
411:, located in the outermost region of the
1633:Astronomical objects discovered in 2012
830:"List of Known Trans-Neptunian Objects"
828:Johnston, Wm. Robert (7 October 2018).
668:
712:
710:
17:
304:Longitude of ascending node
7:
531:and other nearby Kuiper belt objects
461:once every 300 years and 10 months (
1013:
465:of 44.9 AU). Its orbit has an
14:
558:spacecraft which took the iconic
961:AstDyS-2, Asteroids—Dynamic Site
724:Minor Planet Electronic Circular
719:"MPEC 2016-B36 : 2012 HE85"
550:Long Range Reconnaissance Imager
447:resonant trans-Neptunian object
951:List of Transneptunian Objects
1:
915:Wall, Mike (4 January 2019).
863:Southwest Research Institute
509:Magellan II (Clay) telescope
316:Argument of perihelion
1649:
636:and shape remain unknown.
132:Minor planet category
1377:
1362:Small Solar System bodies
801:Jet Propulsion Laboratory
628:observations. The body's
389:
253:Orbital period (sidereal)
183:
171:
28:
799:(2017-06-23 last obs.).
601:Physical characteristics
593:made its close flyby on
513:Las Campanas Observatory
437:Orbit and classification
377:Absolute magnitude
327:Physical characteristics
120:Alternative designations
1094:Trans-Neptunian objects
1010:JPL Small-Body Database
727:. 2016-B36 (2016–B36).
624:has been obtained from
499:New Horizons KBO Search
429:spacecraft. The likely
421:New Horizons KBO Search
166:Orbital characteristics
66:New Horizons KBO Search
1487:Trans-Neptunian object
1113:Scattered-disc objects
974:Observation prediction
532:
445:is considered to be a
405:trans-Neptunian object
953:, Minor Planet Center
526:
451:5:9 orbital resonance
403:is a small, resonant
258:300.84 yr (109,882 d)
185:Uncertainty parameter
90:(first observed only)
35:False-color image of
1460:Distant minor planet
640:Numbering and naming
477:with respect to the
419:in Chile during the
103:MPC designation
1320:541132 Leleākūhonua
1056:Physical parameters
733:2016MPEC....B...36B
694:Minor Planet Center
658:Minor Planet Center
453:with the ice giant
431:5:9 resonant object
417:Magellan Telescopes
84:Discovery date
73:Discovery site
25:
998:Observational info
834:Johnston's Archive
611:absolute magnitude
567:In December 2017,
541:spacecraft imaged
533:
489:, David Borncamp,
443:Kuiper belt object
61:Discovered by
1605:
1604:
1517:
1516:
1402:Meanings of names
1328:
1327:
896:. 8 February 2018
648:has neither been
644:As of 2019, this
393:
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78:Las Campanas Obs.
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1375:
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1332:
1316:
1314:
1313:
1159:
1123:Resonant objects
1118:Detached objects
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1080:
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1048:Orbital elements
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574:(516977) 2012 HZ
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287:0° 0 11.88 / day
275:
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49:in December 2017
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1128:Neptune trojans
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990:Proper elements
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630:rotation period
622:
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609:of 0.09 and an
603:
595:486958 Arrokoth
587:
583:
576:
575:
572:
546:
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521:
519:Milestone image
502:
483:observation arc
469:of 0.11 and an
463:semi-major axis
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231:Semi-major axis
193:Observation arc
175:27 April 2019 (
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1561:Near-parabolic
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1507:Scattered disc
1504:
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1475:Neptune trojan
1472:
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1450:Spectral types
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1440:Jupiter trojan
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1016:Close approach
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940:External links
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555:Voyager 1
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527:Trajectory of
520:
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495:Scott Sheppard
491:Susan Benecchi
487:Paul Schechter
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1430:Asteroid belt
1428:
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1425:Aten asteroid
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1370:Minor planets
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1155:Dwarf planets
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1040:Orbit diagram
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580:
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565:
563:
562:
561:Pale Blue Dot
557:
556:
551:
540:
539:
530:
525:
518:
516:
514:
510:
505:
500:
496:
492:
488:
484:
481:. The body's
480:
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406:
402:
388:
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373:
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335:Mean diameter
331:
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87:18 April 2012
86:
82:
79:
76:
74:
70:
67:
64:
62:
58:
53:
48:
47:
32:
27:
16:
1597:Space debris
1051:
1043:
1035:
1027:
1019:
1008:
993:
985:
982:Orbital info
977:
969:
960:
926:. Retrieved
920:
910:
898:. Retrieved
893:
867:. Retrieved
861:
837:. Retrieved
833:
804:. Retrieved
768:. Retrieved
764:
736:. Retrieved
722:
697:. Retrieved
693:
646:minor planet
643:
604:
591:New Horizons
590:
569:New Horizons
568:
566:
559:
553:
538:New Horizons
536:
534:
529:New Horizons
528:
507:) using the
467:eccentricity
449:in a higher
440:
426:New Horizons
424:
413:Solar System
395:
394:
378:
265:Mean anomaly
242:Eccentricity
96:Designations
46:New Horizons
44:
15:
1587:Cosmic dust
1551:Long-period
1541:Halley-type
1497:Kuiper belt
1382:Designation
1303:90377 Sedna
1101:TNO classes
761:"2012 HE85"
690:"2012 HE85"
626:photometric
471:inclination
409:Kuiper belt
293:Inclination
282:Mean motion
1612:Categories
1592:Meteoroids
1571:Sungrazing
1546:Hyperbolic
1502:Oort cloud
1445:Near-Earth
664:References
615:lightcurve
359:74 km
220:Perihelion
179:2458600.5)
1482:Damocloid
1145:TNO moons
1108:Cubewanos
1032:Ephemeris
1024:Discovery
1005:2012 HE85
966:Ephemeris
957:2012 HE85
928:5 January
922:Space.com
900:4 January
869:5 January
839:4 January
806:4 January
770:4 January
738:4 January
699:4 January
535:When the
407:from the
362:(est. at
350:(est. at
236:44.897 AU
224:40.156 AU
201:(1,892 d)
55:Discovery
1566:Periodic
1492:Detached
1412:Asteroid
1295:Sednoids
1278:Dysnomia
1266:Xiangliu
1261:Gonggong
1249:Makemake
1198:Kerberos
1138:Twotinos
1133:Plutinos
650:numbered
479:ecliptic
344:31
207:Aphelion
42:taken by
1531:Extinct
1470:Centaur
1309:2012 VP
1220:Hiʻiaka
1158:(moons)
1007:at the
729:Bibcode
656:by the
619:2012 HE
584:2012 HE
543:2012 HE
511:at the
497:of the
455:Neptune
397:2012 HE
321:37.770°
309:234.99°
297:3.0161°
211:49.639
156:distant
151:res 5:9
125:VNH0021
109:2012 HE
37:2012 HE
20:2012 HE
1523:Comets
1435:Family
1420:Active
1387:Groups
1237:Weywot
1232:Quaoar
1215:Namaka
1210:Haumea
1183:Charon
1052:·
1050:
1044:·
1042:
1036:·
1034:
1028:·
1026:
1020:·
1018:
994:·
992:
986:·
984:
978:·
976:
970:·
968:
607:albedo
271:12.220
246:0.1056
1580:Other
1536:Great
1285:Sedna
1242:Rings
1203:Hydra
1178:Pluto
1171:Vanth
1166:Orcus
1054:
1046:
1038:
1030:
1022:
996:
988:
980:
972:
654:named
197:5.18
173:Epoch
1556:Lost
1397:Moon
1392:List
1273:Eris
1225:Ring
1188:Styx
930:2019
902:2019
894:NASA
871:2019
841:2019
808:2019
772:2019
740:2019
701:2019
652:nor
634:pole
493:and
473:of 3
441:The
364:0.09
352:0.15
1312:113
1254:MK2
1193:Nix
959:at
617:of
504:268
385:8.9
379:(H)
146:KBO
141:TNO
1614::
919:.
892:.
879:^
860:.
849:^
832:.
816:^
780:^
763:.
748:^
721:.
709:^
692:.
671:^
660:.
632:,
621:85
586:85
577:84
545:85
459:AU
399:85
346:km
213:AU
199:yr
177:JD
111:85
39:85
22:85
1354:e
1347:t
1340:v
1086:e
1079:t
1072:v
932:.
904:.
873:.
843:.
810:.
774:.
742:.
731::
703:.
501:(
475:°
366:)
354:)
273:°
187:3
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