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
2021-12-29 12:43:53 S 08 01 58.658 +09 04 24.13 V C57
2021-12-29 12:43:53 s 1 -139441.90 5 -12203.096 9540.0 C57
2021-12-29 12:53:53 S 08 01 57.900 +09 04 08.47 V C57
2021-12-29 12:53:53 s 1 -138858.30 9 -13143.319 1850.0 C57
2021-12-29 13:03:53 S 08 01 57.048 +09 03 51.48 V C57
2021-12-29 13:03:53 s 1 -138268.99 5 -14083.006 9610.0 C57
2021-12-29 13:13:53 S 08 01 56.275 +09 03 35.35 V C57
2021-12-29 13:13:53 s 1 -137673.92 5 -15022.113 2640.0 C57
2021-12-29 13:23:53 S 08 01 55.507 +09 03 20.20 V C57
2021-12-29 13:23:53 s 1 -137073.05 7 -15960.593 810.0 C57
2021-12-29 13:33:53 S 08 01 54.737 +09 03 03.02 V C57
2021-12-29 13:33:53 s 1 -136466.35 3 -16898.400 3940.0 C57
2021-12-29 13:43:53 S 08 01 53.861 +09 02 46.68 V C57
2021-12-29 13:43:53 s 1 -135853.77 0 -17835.485 1880.0 C57
2021-12-29 13:53:53 S 08 01 53.033 +09 02 29.44 V C57
2021-12-29 13:53:53 s 1 -135235.27 0 -18771.799 4460.0 C57
2021-12-29 14:03:53 S 08 01 52.190 +09 02 13.09 V C57
2021-12-29 14:03:53 s 1 -134610.81 2 -19707.292 1530.0 C57
2021-12-29 14:13:53 S 08 01 51.446 +09 01 57.86 V C57
2021-12-29 14:13:53 s 1 -133980.35 4 -20641.914 2920.0 C57
2021-12-29 14:23:53 S 08 01 50.688 +09 01 41.48 V C57
2021-12-29 14:23:53 s 1 -133343.85 7 -21575.610 8480.0 C57
2021-12-29 14:33:53 S 08 01 49.829 +09 01 26.04 V C57
2021-12-29 14:33:53 s 1 -132701.28 0 -22508.330 8050.0 C57
2021-12-29 14:43:53 S 08 01 49.104 +09 01 09.34 V C57
2021-12-29 14:43:53 s 1 -132052.58 2 -23440.017 1460.0 C57
2021-12-29 14:53:53 S 08 01 48.226 +09 00 52.85 V C57
2021-12-29 14:53:53 s 1 -131397.72 2 -24370.616 8560.0 C57
2021-12-29 15:03:53 S 08 01 47.554 +09 00 37.51 V C57
2021-12-29 15:03:53 s 1 -130736.65 9 -25300.071 9190.0 C57
2021-12-29 15:13:53 S 08 01 46.702 +09 00 20.45 V C57
2021-12-29 15:13:53 s 1 -130069.35 2 -26228.324 3180.0 C57
2021-12-29 15:23:53 S 08 01 45.854 +09 00 05.65 V C57
2021-12-29 15:23:53 s 1 -129395.76 1 -27155.316 380.0 C57
2021-12-29 15:33:53 S 08 01 45.130 +08 59 49.16 V C57
2021-12-29 15:33:53 s 1 -128715.84 4 -28080.987 620.0 C57
2021-12-29 15:43:53 S 08 01 44.258 +08 59 33.50 V C57
2021-12-29 15:43:53 s 1 -128029.56 1 -29005.275 3760.0 C57
2021-12-29 15:53:53 S 08 01 43.582 +08 59 17.02 V C57
2021-12-29 15:53:53 s 1 -127336.87 1 -29928.118 9630.0 C57
2021-12-29 16:03:53 S 08 01 42.754 +08 59 01.64 V C57
2021-12-29 16:03:53 s 1 -126637.73 3 -30849.451 8080.0 C57
2021-12-29 16:13:53 S 08 01 41.930 +08 58 43.97 V C57
2021-12-29 16:13:53 s 1 -125932.10 7 -31769.210 8950.0 C57
2021-12-29 16:23:53 S 08 01 41.090 +08 58 28.49 V C57
2021-12-29 16:23:53 s 1 -125219.95 1 -32687.328 2080.0 C57
2021-12-29 16:33:53 S 08 01 40.277 +08 58 12.29 V C57
2021-12-29 16:33:53 s 1 -124501.22 6 -33603.737 7320.0 C57
2021-12-29 16:43:53 S 08 01 39.542 +08 57 55.76 V C57
2021-12-29 16:43:53 s 1 -123775.89 1 -34518.368 4520.0 C57