IAA RAS IAA Minor Planet Database

20460 Robwhiteley (1999 LO28)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4117741619 ± 8.13e-09
Semi-major axis (a)1.8767110841 AU ± 8.20e-10
Inclination (i)33.95480643° ± 1.54e-06
Long. of Asc. Node (Ω)279.99013513° ± 1.68e-06
Arg. of Perihelion (ω)283.73590783° ± 2.65e-06
Mean Anomaly (M)136.81888080° ± 1.43e-06
Mean Motion (n)0.3833682547°/day ± 2.51e-10
Perihelion dist (q)1.10392995 AU ± 1.53e-08
Aphelion dist (Q)2.64949222 AU ± 1.53e-08
Orbital Period2.57096479 yr ± 1.68e-09
Physical Parameters
H (abs. magnitude)15.41
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.226″
Uncertainty0
Orbit TypeAmor
MOID0.328801 AU
Observations Used4939
Gaia Obs Used150
Oppositions38
Arc Total1954-2025
First Observation Used1954-12-30
Last Observation Used2025-12-09
Observations (8282)
Date Type RA Dec Mag Band Observatory
2021-12-27 22:23:53 s 1 -178862.93 8 +181193.44 120.0 – C57
2021-12-27 22:33:53 S 08 05 06.622 +10 06 18.25 – V C57
2021-12-27 22:33:53 s 1 -178943.05 3 +180501.83 910.0 – C57
2021-12-27 22:43:53 S 08 05 05.815 +10 06 03.35 – V C57
2021-12-27 22:43:53 s 1 -179021.81 6 +179808.87 5500.0 – C57
2021-12-27 22:53:53 S 08 05 04.968 +10 05 47.18 – V C57
2021-12-27 22:53:53 s 1 -179099.22 0 +179114.55 3840.0 – C57
2021-12-27 23:03:53 S 08 05 04.042 +10 05 30.26 – V C57
2021-12-27 23:03:53 s 1 -179175.25 8 +178418.87 5920.0 – C57
2021-12-27 23:13:53 S 08 05 03.329 +10 05 13.88 – V C57
2021-12-27 23:13:53 s 1 -179249.92 3 +177721.83 1690.0 – C57
2021-12-27 23:23:53 S 08 05 02.539 +10 04 58.87 – V C57
2021-12-27 23:23:53 s 1 -179323.20 8 +177023.42 1130.0 – C57
2021-12-27 23:33:53 S 08 05 01.642 +10 04 44.29 – V C57
2021-12-27 23:33:53 s 1 -179395.10 7 +176323.65 4210.0 – C57
2021-12-27 23:43:53 S 08 05 00.782 +10 04 26.58 – V C57
2021-12-27 23:43:53 s 1 -179465.61 1 +175622.51 900.0 – C57
2021-12-27 23:53:53 S 08 05 00.024 +10 04 11.14 – V C57
2021-12-27 23:53:53 s 1 -179534.71 5 +174920.01 1160.0 – C57
2021-12-28 00:03:53 S 08 04 59.246 +10 03 55.01 – V C57
2021-12-28 00:03:53 s 1 -179602.41 0 +174216.14 4970.0 – C57
2021-12-28 00:13:53 S 08 04 58.450 +10 03 39.17 – V C57
2021-12-28 00:13:53 s 1 -179668.69 0 +173510.90 2300.0 – C57
2021-12-28 00:23:53 S 08 04 57.569 +10 03 21.89 – V C57
2021-12-28 00:23:53 s 1 -179733.54 8 +172804.30 3100.0 – C57
2021-12-28 00:33:53 S 08 04 56.782 +10 03 06.44 – V C57
2021-12-28 00:33:53 s 1 -179796.97 5 +172096.32 7360.0 – C57
2021-12-28 00:43:53 S 08 04 56.033 +10 02 50.46 – V C57
2021-12-28 00:43:53 s 1 -179858.96 6 +171386.97 5030.0 – C57
2021-12-28 00:53:53 S 08 04 55.140 +10 02 33.25 – V C57
2021-12-28 00:53:53 s 1 -179919.51 2 +170676.25 6090.0 – C57
2021-12-28 01:03:53 S 08 04 54.365 +10 02 17.12 – V C57
2021-12-28 01:03:53 s 1 -179978.60 6 +169964.16 500.0 – C57
2021-12-28 01:13:53 S 08 04 53.498 +10 02 00.56 – V C57
2021-12-28 01:13:53 s 1 -180036.24 0 +169250.69 8230.0 – C57
2021-12-28 01:23:53 S 08 04 52.766 +10 01 44.76 – V C57
2021-12-28 01:23:53 s 1 -180092.40 7 +168535.85 9250.0 – C57
2021-12-28 01:33:53 S 08 04 51.924 +10 01 28.88 – V C57
2021-12-28 01:33:53 s 1 -180147.09 9 +167819.63 3520.0 – C57
2021-12-28 01:43:53 S 08 04 51.034 +10 01 11.39 – V C57
2021-12-28 01:43:53 s 1 -180200.30 9 +167102.03 1010.0 – C57
2021-12-28 01:53:53 S 08 04 50.220 +10 00 58.14 – V C57
2021-12-28 01:53:53 s 1 -180252.02 9 +166383.06 1690.0 – C57
2021-12-28 02:03:53 S 08 04 49.428 +10 00 41.33 – V C57
2021-12-28 02:03:53 s 1 -180302.25 1 +165662.71 5520.0 – C57
2021-12-28 02:13:53 S 08 04 48.624 +10 00 24.88 – V C57
2021-12-28 02:13:53 s 1 -180350.96 8 +164940.98 2460.0 – C57
2021-12-28 02:23:53 S 08 04 47.609 +10 00 08.03 – V C57
2021-12-28 02:23:53 s 1 -180398.17 1 +164217.87 2500.0 – C57
2021-12-28 02:33:53 S 08 04 46.920 +09 59 51.22 – V C57