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368:
on 15 September 1993. It was one of the first few trans-Neptunian objects discovered after Pluto and Charon, but it was not observed long enough
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86:
989:
1120:
1283:
32:
788:
773:
268:
117:
1052:
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422:
of 205 years, which is nearly exactly 5/4 that of
Neptune's. This orbital period ratio makes 1993 RP in a 4:5 mean-motion
758:
682:
1037:
1201:
1191:
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503:
403:
was not recognized to be the same object as 1993 RP until it was identified by Peter VanWylen on 14 August 2023.
48:
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911:
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353:
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330:
318:
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1047:
904:
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795:
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for over two decades. 1993 RP was serendipitously reobserved in 2015–2016 by Edward Ashton,
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at Mauna Kea
Observatory, but was announced as a new trans-Neptunian object under the
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with
Neptune; for every four orbits 1993 RP makes, Neptune orbits five times.
147:
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981:
713:
1062:
899:
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882:
875:
860:
1173:
828:
525:"JPL Horizons On-Line Ephemeris for 1993 RP at epoch JD 2460000.5"
985:
717:
414:, which places it outside of the inner boundary of the
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944:
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131:
101:
84:
72:
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59:
47:
31:
26:
581:
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500:"JPL Small-Body Database Browser: (2021 RR205)"
997:
729:
8:
461:
459:
457:
21:
587:"MPEC 2023-P80 : 1993 RP = 2015 VR202"
1274:Trans-Neptunian objects in a 4:5 resonance
1025:
1004:
990:
982:
736:
722:
714:
659:
547:. Ephemeris Type: Elements and Center: @0)
1269:Minor planet object articles (unnumbered)
494:
492:
490:
488:
1289:Astronomical objects discovered in 1993
453:
20:
593:. Minor Planet Center. 14 August 2023
530:JPL Horizons On-Line Ephemeris System
269:Longitude of ascending node
7:
562:Center for Near Earth Object Studies
664:
619:. Minor Planet Center. 10 May 2021
613:"MPEC 2021-J131 : 2015 VR202"
473:. International Astronomical Union
14:
617:Minor Planet Electronic Circular
591:Minor Planet Electronic Circular
543:Solution using the Solar System
1279:Discoveries by David C. Jewitt
642:List of Transneptunian Objects
418:at 39 AU. 1993 RP has an
410:(AU) from the Sun in a nearly
1:
443:– lost trans-Neptunian object
564:. Jet Propulsion Laboratory
533:. Jet Propulsion Laboratory
281:Argument of perihelion
1305:
356:discovered by astronomers
104:Minor planet category
1028:
1013:Small Solar System bodies
558:"Asteroid Size Estimator"
504:Jet Propulsion Laboratory
343:
220:Orbital period (sidereal)
154:
142:
502:(2016-11-02 last obs.).
331:Absolute magnitude
292:Physical characteristics
87:Alternative designations
1284:Discoveries by Jane Luu
745:Trans-Neptunian objects
656:JPL Small-Body Database
386:provisional designation
225:207.19 yr (75,675 days)
133:Orbital characteristics
1138:Trans-Neptunian object
764:Scattered-disc objects
372:and ended up becoming
370:to determine its orbit
354:trans-Neptunian object
16:Trans-Neptunian object
416:classical Kuiper belt
366:Mauna Kea Observatory
156:Uncertainty parameter
1111:Distant minor planet
75:MPC designation
971:541132 Leleākūhonua
707:Physical parameters
646:Minor Planet Center
471:Minor Planet Center
60:Discovery date
49:Discovery site
23:
408:astronomical units
406:1993 RP orbits 35
319:Apparent magnitude
168:23.13 yr (8,449 d)
146:25 February 2023 (
33:Discovered by
1256:
1255:
1168:
1167:
1053:Meanings of names
979:
978:
436:Lost minor planet
424:orbital resonance
347:
346:
252:0° 0 17.126 / day
63:15 September 1993
1296:
1026:
1006:
999:
992:
983:
967:
965:
964:
810:
774:Resonant objects
769:Detached objects
738:
731:
724:
715:
699:Orbital elements
663:
629:
628:
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609:
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962:
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779:Neptune trojans
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336:
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198:Semi-major axis
164:Observation arc
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92:
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77:
40:
38:David C. Jewitt
17:
12:
11:
5:
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1212:Near-parabolic
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1165:
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1162:
1161:
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1158:Scattered disc
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1150:
1145:
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1130:
1129:
1128:
1126:Neptune trojan
1123:
1115:
1113:
1107:
1106:
1104:
1103:
1101:Spectral types
1098:
1093:
1091:Jupiter trojan
1088:
1083:
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1067:
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1059:
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667:Close approach
648:
637:
636:External links
634:
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575:
549:
516:
484:
452:
451:
449:
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420:orbital period
412:circular orbit
399:
391:
378:John Kavelaars
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54:Mauna Kea Obs.
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1087:
1084:
1082:
1081:Asteroid belt
1079:
1077:
1076:Aten asteroid
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1027:
1024:
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1021:Minor planets
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1007:
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993:
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987:
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831:
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827:
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819:
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815:
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812:
807:
806:Dwarf planets
803:
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692:
691:Orbit diagram
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429:
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417:
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409:
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395:
387:
383:
382:Brett Gladman
379:
375:
371:
367:
363:
359:
355:
351:
342:
338:
335:
334:
327:
323:
320:
315:
310:
309:est. 0.04–0.2
304:
301:
300:Mean diameter
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137:(barycentric)
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55:
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43:
39:
36:
34:
30:
25:
19:
1248:Space debris
702:
694:
686:
678:
670:
654:
645:
621:. Retrieved
616:
607:
595:. Retrieved
590:
566:. Retrieved
561:
552:
537:21 September
535:. Retrieved
528:
519:
507:. Retrieved
475:. Retrieved
470:
405:
388:
358:David Jewitt
349:
348:
332:
232:Mean anomaly
209:Eccentricity
121:
113:
68:Designations
18:
1238:Cosmic dust
1202:Long-period
1192:Halley-type
1148:Kuiper belt
1033:Designation
954:90377 Sedna
752:TNO classes
258:Inclination
247:Mean motion
42:Jane X. Luu
1263:Categories
1243:Meteoroids
1222:Sungrazing
1197:Hyperbolic
1153:Oort cloud
1096:Near-Earth
545:Barycenter
448:References
187:Perihelion
150:2460000.5)
1133:Damocloid
796:TNO moons
759:Cubewanos
683:Ephemeris
675:Discovery
623:14 August
597:14 August
568:14 August
509:14 August
477:14 August
467:"1993 RP"
324:24.7–24.9
305:40–90 km
203:35.029 AU
191:33.028 AU
27:Discovery
1217:Periodic
1143:Detached
1063:Asteroid
946:Sednoids
929:Dysnomia
917:Xiangliu
912:Gonggong
900:Makemake
849:Kerberos
789:Twotinos
784:Plutinos
430:See also
362:Jane Luu
286:278.735°
274:192.365°
174:Aphelion
1182:Extinct
1121:Centaur
960:2012 VP
871:Hiʻiaka
809:(moons)
653:at the
651:1993 RP
441:1995 GJ
398:2015 VR
390:2015 VR
350:1993 RP
237:319.320
213:0.05713
178:37.030
126:distant
118:res 4:5
93:2015 VR
80:1993 RP
22:1993 RP
1174:Comets
1086:Family
1071:Active
1038:Groups
888:Weywot
883:Quaoar
866:Namaka
861:Haumea
834:Charon
703:·
701:
695:·
693:
687:·
685:
679:·
677:
671:·
669:
380:, and
262:4.340°
135:
122:·
120:
114:·
112:
1231:Other
1187:Great
936:Sedna
893:Rings
854:Hydra
829:Pluto
822:Vanth
817:Orcus
705:
697:
689:
681:
673:
352:is a
144:Epoch
124:
116:
1207:Lost
1048:Moon
1043:List
924:Eris
876:Ring
839:Styx
625:2023
599:2023
570:2023
539:2022
511:2023
479:2023
374:lost
360:and
339:9.37
963:113
905:MK2
844:Nix
400:202
392:202
364:at
333:(H)
110:TNO
95:202
1265::
644:,
615:.
589:.
578:^
560:.
527:.
487:^
469:.
456:^
396:.
180:AU
148:JD
1005:e
998:t
991:v
737:e
730:t
723:v
627:.
601:.
572:.
541:.
513:.
481:.
311:)
307:(
239:°
158:4
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