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
2021-12-24 12:43:53 S 08 11 21.211 +12 14 15.22 – V C57
2021-12-24 12:43:53 s 1 -52068.627 0 +377515.20 3990.0 – C57
2021-12-24 12:53:53 S 08 11 20.462 +12 13 58.98 – V C57
2021-12-24 12:53:53 s 1 -52416.315 0 +377372.09 610.0 – C57
2021-12-24 13:03:53 S 08 11 19.750 +12 13 43.75 – V C57
2021-12-24 13:03:53 s 1 -52763.869 0 +377228.01 6400.0 – C57
2021-12-24 13:13:53 S 08 11 19.068 +12 13 30.00 – V C57
2021-12-24 13:13:53 s 1 -53111.286 0 +377082.96 1360.0 – C57
2021-12-24 13:23:53 S 08 11 18.367 +12 13 12.86 – V C57
2021-12-24 13:23:53 s 1 -53458.567 0 +376936.95 5490.0 – C57
2021-12-24 13:33:53 S 08 11 17.604 +12 12 58.90 – V C57
2021-12-24 13:33:53 s 1 -53805.711 0 +376789.96 8790.0 – C57
2021-12-24 13:43:53 S 08 11 16.884 +12 12 43.78 – V C57
2021-12-24 13:43:53 s 1 -54152.715 0 +376641.99 1240.0 – C57
2021-12-24 13:53:53 S 08 11 16.253 +12 12 27.86 – V C57
2021-12-24 13:53:53 s 1 -54499.580 0 +376493.06 2840.0 – C57
2021-12-24 14:03:53 S 08 11 15.482 +12 12 13.68 – V C57
2021-12-24 14:03:53 s 1 -54846.305 0 +376343.16 3600.0 – C57
2021-12-24 14:13:53 S 08 11 14.789 +12 11 59.39 – V C57
2021-12-24 14:13:53 s 1 -55192.887 0 +376192.28 3500.0 – C57
2021-12-24 14:23:53 S 08 11 14.126 +12 11 44.48 – V C57
2021-12-24 14:23:53 s 1 -55539.327 0 +376040.44 2540.0 – C57
2021-12-24 14:33:53 S 08 11 13.387 +12 11 28.82 – V C57
2021-12-24 14:33:53 s 1 -55885.623 0 +375887.62 720.0 – C57
2021-12-24 14:43:53 S 08 11 12.598 +12 11 12.30 – V C57
2021-12-24 14:43:53 s 1 -56231.775 0 +375733.82 8030.0 – C57
2021-12-24 14:53:53 S 08 11 11.966 +12 10 57.65 – V C57
2021-12-24 14:53:53 s 1 -56577.780 0 +375579.06 4470.0 – C57
2021-12-24 15:03:53 S 08 11 11.251 +12 10 42.56 – V C57
2021-12-24 15:03:53 s 1 -56923.639 0 +375423.32 20.0 – C57
2021-12-24 15:13:53 S 08 11 10.656 +12 10 27.62 – V C57
2021-12-24 15:13:53 s 1 -57269.350 0 +375266.61 4700.0 – C57
2021-12-24 15:23:53 S 08 11 09.804 +12 10 12.14 – V C57
2021-12-24 15:23:53 s 1 -57614.913 0 +375108.92 8500.0 – C57
2021-12-24 15:33:53 S 08 11 09.175 +12 09 59.18 – V C57
2021-12-24 15:33:53 s 1 -57960.325 0 +374950.26 1400.0 – C57
2021-12-24 15:43:53 S 08 11 08.498 +12 09 42.73 – V C57
2021-12-24 15:43:53 s 1 -58305.587 0 +374790.63 3400.0 – C57
2021-12-24 15:53:53 S 08 11 07.824 +12 09 27.14 – V C57
2021-12-24 15:53:53 s 1 -58650.697 0 +374630.02 4510.0 – C57
2021-12-24 16:03:53 S 08 11 07.073 +12 09 11.63 – V C57
2021-12-24 16:03:53 s 1 -58995.654 0 +374468.44 4720.0 – C57
2021-12-24 16:13:53 S 08 11 06.379 +12 08 58.31 – V C57
2021-12-24 16:13:53 s 1 -59340.457 0 +374305.88 4010.0 – C57
2021-12-24 16:23:53 S 08 11 05.762 +12 08 42.40 – V C57
2021-12-24 16:23:53 s 1 -59685.105 0 +374142.35 2400.0 – C57
2021-12-24 16:33:53 S 08 11 04.951 +12 08 27.10 – V C57
2021-12-24 16:33:53 s 1 -60029.597 0 +373977.84 9860.0 – C57
2021-12-24 16:43:53 S 08 11 04.255 +12 08 11.87 – V C57
2021-12-24 16:43:53 s 1 -60373.932 0 +373812.35 6410.0 – C57