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
2021-12-05 22:33:54 s 1 +165145.89 0 +238177.72 9220.0 – C57
2021-12-05 22:43:54 S 08 28 38.810 +21 09 40.72 – V C57
2021-12-05 22:43:54 s 1 +164981.66 2 +238756.74 3220.0 – C57
2021-12-05 22:53:54 S 08 28 38.760 +21 09 31.57 – V C57
2021-12-05 22:53:54 s 1 +164816.52 2 +239334.44 3850.0 – C57
2021-12-05 23:03:54 S 08 28 38.784 +21 09 25.31 – V C57
2021-12-05 23:03:54 s 1 +164650.47 3 +239910.85 1100.0 – C57
2021-12-05 23:13:54 S 08 28 38.366 +21 09 13.07 – V C57
2021-12-05 23:13:54 s 1 +164483.52 0 +240485.95 5010.0 – C57
2021-12-05 23:23:54 S 08 28 38.251 +21 09 03.10 – V C57
2021-12-05 23:23:54 s 1 +164315.66 6 +241059.75 5580.0 – C57
2021-12-05 23:33:54 S 08 28 38.158 +21 08 53.41 – V C57
2021-12-05 23:33:54 s 1 +164146.91 7 +241632.26 2830.0 – C57
2021-12-05 23:43:54 S 08 28 37.973 +21 08 42.36 – V C57
2021-12-05 23:43:54 s 1 +163977.27 5 +242203.47 6780.0 – C57
2021-12-06 00:03:54 S 08 28 37.860 +21 08 28.82 – V C57
2021-12-06 00:03:54 s 1 +163635.33 1 +243341.99 4840.0 – C57
2021-12-06 00:13:54 S 08 28 37.606 +21 08 18.38 – V C57
2021-12-06 00:13:54 s 1 +163463.03 7 +243909.32 8970.0 – C57
2021-12-06 00:23:54 S 08 28 37.486 +21 08 07.94 – V C57
2021-12-06 00:23:54 s 1 +163289.86 7 +244475.35 9870.0 – C57
2021-12-06 00:43:54 S 08 28 37.358 +21 07 50.66 – V C57
2021-12-06 00:43:54 s 1 +162940.91 5 +245603.56 1990.0 – C57
2021-12-06 01:03:54 S 08 28 37.138 +21 07 32.59 – V C57
2021-12-06 01:03:54 s 1 +162588.50 7 +246726.62 1340.0 – C57
2021-12-06 01:13:54 S 08 28 37.020 +21 07 20.89 – V C57
2021-12-06 01:13:54 s 1 +162411.01 6 +247286.22 6260.0 – C57
2021-12-06 01:33:54 S 08 28 36.595 +21 07 02.46 – V C57
2021-12-06 01:33:54 s 1 +162053.48 1 +248401.59 6660.0 – C57
2021-12-06 01:43:54 S 08 28 36.612 +21 06 54.68 – V C57
2021-12-06 01:43:54 s 1 +161873.44 5 +248957.35 2180.0 – C57
2021-12-06 01:53:54 S 08 28 36.449 +21 06 41.36 – V C57
2021-12-06 01:53:54 s 1 +161692.56 7 +249511.84 4580.0 – C57
2021-12-06 02:03:54 S 08 28 36.324 +21 06 35.39 – V C57
2021-12-06 02:03:54 s 1 +161510.85 3 +250065.05 3900.0 – C57
2021-12-06 02:13:54 S 08 28 36.305 +21 06 23.94 – V C57
2021-12-06 02:13:54 s 1 +161328.30 4 +250616.99 140.0 – C57
2021-12-06 02:23:54 S 08 28 36.094 +21 06 15.41 – V C57
2021-12-06 02:23:54 s 1 +161144.92 6 +251167.65 3320.0 – C57
2021-12-06 02:33:54 S 08 28 35.990 +21 06 06.88 – V C57
2021-12-06 02:33:54 s 1 +160960.72 2 +251717.05 3450.0 – C57
2021-12-06 02:43:54 S 08 28 35.952 +21 05 57.95 – V C57
2021-12-06 02:43:54 s 1 +160775.69 6 +252265.18 540.0 – C57
2021-12-06 02:53:54 S 08 28 35.664 +21 05 42.07 – V C57
2021-12-06 02:53:54 s 1 +160589.85 1 +252812.03 4620.0 – C57
2021-12-06 03:23:54 S 08 28 35.738 +21 05 17.88 – V C57
2021-12-06 03:23:54 s 1 +160027.44 0 +254445.02 8870.0 – C57
2021-12-06 03:33:54 S 08 28 35.237 +21 05 06.14 – V C57
2021-12-06 03:33:54 s 1 +159838.35 7 +254986.82 1010.0 – C57
2021-12-06 03:43:54 S 08 28 35.280 +21 05 01.07 – V C57