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
2021-12-12 20:23:54 s 1 -139643.04 8 +294781.03 2310.0 – C57
2021-12-12 20:33:54 S 08 24 33.175 +18 16 44.36 – V C57
2021-12-12 20:33:54 s 1 -139896.57 2 +294337.23 6980.0 – C57
2021-12-12 20:43:54 S 08 24 32.712 +18 16 34.93 – V C57
2021-12-12 20:43:54 s 1 -140149.55 3 +293892.28 9120.0 – C57
2021-12-12 20:53:54 S 08 24 32.402 +18 16 20.64 – V C57
2021-12-12 20:53:54 s 1 -140401.98 6 +293446.19 8710.0 – C57
2021-12-12 21:03:54 S 08 24 32.014 +18 16 10.96 – V C57
2021-12-12 21:03:54 s 1 -140653.87 0 +292998.94 5740.0 – C57
2021-12-12 21:13:54 S 08 24 31.735 +18 15 58.75 – V C57
2021-12-12 21:13:54 s 1 -140905.20 3 +292550.54 210.0 – C57
2021-12-12 21:23:54 S 08 24 31.253 +18 15 45.54 – V C57
2021-12-12 21:23:54 s 1 -141155.98 3 +292101.00 2090.0 – C57
2021-12-12 21:33:54 S 08 24 30.991 +18 15 34.92 – V C57
2021-12-12 21:33:54 s 1 -141406.20 6 +291650.30 1390.0 – C57
2021-12-12 21:43:54 S 08 24 30.650 +18 15 22.90 – V C57
2021-12-12 21:43:54 s 1 -141655.87 1 +291198.44 8090.0 – C57
2021-12-12 21:53:54 S 08 24 30.221 +18 15 12.64 – V C57
2021-12-12 21:53:54 s 1 -141904.97 5 +290745.43 2170.0 – C57
2021-12-12 22:03:54 S 08 24 29.945 +18 15 00.47 – V C57
2021-12-12 22:03:54 s 1 -142153.51 6 +290291.27 3640.0 – C57
2021-12-12 22:13:54 S 08 24 29.467 +18 14 48.95 – V C57
2021-12-12 22:13:54 s 1 -142401.49 1 +289835.95 2490.0 – C57
2021-12-12 22:23:54 S 08 24 28.985 +18 14 37.97 – V C57
2021-12-12 22:23:54 s 1 -142648.89 8 +289379.47 8690.0 – C57
2021-12-12 22:33:54 S 08 24 28.673 +18 14 26.23 – V C57
2021-12-12 22:33:54 s 1 -142895.73 5 +288921.83 2240.0 – C57
2021-12-12 22:43:54 S 08 24 28.478 +18 14 14.24 – V C57
2021-12-12 22:43:54 s 1 -143141.99 8 +288463.03 3130.0 – C57
2021-12-12 22:53:54 S 08 24 27.960 +18 14 02.51 – V C57
2021-12-12 22:53:54 s 1 -143387.68 7 +288003.07 1340.0 – C57
2021-12-12 23:03:54 S 08 24 27.658 +18 13 47.68 – V C57
2021-12-12 23:03:54 s 1 -143632.79 7 +287541.95 6880.0 – C57
2021-12-12 23:13:54 S 08 24 27.252 +18 13 38.53 – V C57
2021-12-12 23:13:54 s 1 -143877.32 7 +287079.66 9720.0 – C57
2021-12-12 23:23:54 S 08 24 26.825 +18 13 26.51 – V C57
2021-12-12 23:23:54 s 1 -144121.27 4 +286616.21 9860.0 – C57
2021-12-12 23:33:54 S 08 24 26.484 +18 13 16.82 – V C57
2021-12-12 23:33:54 s 1 -144364.63 5 +286151.59 7290.0 – C57
2021-12-12 23:43:54 S 08 24 26.426 +18 13 04.98 – V C57
2021-12-12 23:43:54 s 1 -144607.40 9 +285685.81 1990.0 – C57
2021-12-12 23:53:54 S 08 24 25.829 +18 12 53.78 – V C57
2021-12-12 23:53:54 s 1 -144849.59 2 +285218.86 3960.0 – C57
2021-12-13 00:03:54 S 08 24 25.418 +18 12 41.90 – V C57
2021-12-13 00:03:54 s 1 -145091.18 2 +284750.74 3170.0 – C57
2021-12-13 00:13:54 S 08 24 25.092 +18 12 29.84 – V C57
2021-12-13 00:13:54 s 1 -145332.17 7 +284281.45 9640.0 – C57
2021-12-13 00:23:54 S 08 24 24.835 +18 12 19.51 – V C57
2021-12-13 00:23:54 s 1 -145572.57 3 +283810.98 3330.0 – C57
2021-12-13 00:43:54 S 08 24 23.904 +18 11 55.07 – V C57