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
2016-12-15 10:40:39 C 10 50 03.11 -17 36 28.4 u H21
2016-12-15 10:43:17 C 10 50 03.33 -17 36 34.3 u H21
2016-12-15 10:45:49 C 10 50 03.52 -17 36 40.3 u H21
2016-12-15 10:48:20 C 10 50 03.73 -17 36 45.7 u H21
2016-12-15 10:50:51 C 10 50 03.93 -17 36 51.4 u H21
2016-12-15 10:53:22 C 10 50 04.13 -17 36 57.1 u H21
2016-12-15 10:55:53 C 10 50 04.34 -17 37 03.1 u H21
2016-12-15 10:58:24 C 10 50 04.54 -17 37 08.8 u H21
2016-12-21 06:50:30 S 11 01 53.004 -23 04 42.42 L C51
2017-01-13 20:48:28 S 12 01 08.57 -47 46 22.5 L C51
2017-01-13 23:56:58 S 12 01 33.98 -47 54 44.3 L C51
2017-01-14 03:05:39 S 12 01 59.54 -48 03 05.9 L C51
2017-01-14 06:14:20 S 12 02 25.18 -48 11 27.4 L C51
2017-01-14 09:23:02 S 12 02 50.95 -48 19 48.5 L C51
2017-01-14 12:31:43 S 12 03 16.83 -48 28 09.3 L C51
2017-01-14 15:40:13 S 12 03 42.63 -48 36 29.1 L C51
2017-01-14 18:48:54 S 12 04 08.80 -48 44 48.8 L C51
2017-01-15 01:06:16 S 12 05 01.25 -49 01 28.3 L C51
2017-01-15 07:23:27 S 12 05 54.11 -49 18 06.1 L C51
2017-01-15 08:57:53 S 12 06 07.41 -49 22 15.4 L C51
2017-01-15 10:32:08 S 12 06 20.71 -49 26 24.5 L C51
2017-01-15 12:06:23 S 12 06 34.01 -49 30 33.0 L C51
2017-01-15 12:06:34 S 12 06 34.06 -49 30 33.5 L C51
2017-01-15 13:40:49 S 12 06 47.42 -49 34 42.1 L C51
2017-01-15 15:15:04 S 12 07 00.79 -49 38 50.8 L C51
2017-01-15 16:49:30 S 12 07 14.23 -49 42 59.7 L C51
2017-01-15 18:23:46 S 12 07 27.65 -49 47 07.8 L C51
2017-01-15 19:58:01 S 12 07 41.15 -49 51 16.2 L C51
2017-01-15 19:58:12 S 12 07 41.20 -49 51 16.5 L C51
2017-01-15 23:06:42 S 12 08 08.17 -49 59 33.1 L C51
2017-01-16 00:41:08 S 12 08 21.78 -50 03 41.5 L C51
2017-01-16 02:15:23 S 12 08 35.34 -50 07 48.8 L C51
2017-01-16 03:49:38 S 12 08 48.936 -50 11 57.48 L C51
2017-01-16 08:32:45 S 12 09 30.03 -50 24 20.7 L C51
2017-01-16 10:07:01 S 12 09 43.83 -50 28 27.2 L C51
2017-01-16 11:41:15 S 12 09 57.51 -50 32 35.4 L C51
2017-01-16 13:15:42 S 12 10 11.31 -50 36 42.7 L C51
2017-01-16 14:49:56 S 12 10 25.17 -50 40 49.7 L C51
2017-01-16 16:24:23 S 12 10 38.96 -50 44 57.4 L C51
2017-01-16 17:58:37 S 12 10 52.92 -50 49 04.2 L C51
2017-01-16 19:32:52 S 12 11 06.80 -50 53 10.6 L C51
2017-01-16 21:07:18 S 12 11 20.73 -50 57 18.1 L C51
2017-01-16 22:41:33 S 12 11 34.71 -51 01 24.5 L C51
2017-01-17 00:15:49 S 12 11 48.70 -51 05 31.1 L C51
2017-01-17 00:15:59 S 12 11 48.73 -51 05 31.2 L C51
2017-01-17 01:50:14 S 12 12 02.79 -51 09 37.4 L C51
2017-01-17 04:58:56 S 12 12 30.960 -51 17 49.96 L C51
2017-01-17 08:07:26 S 12 12 59.206 -51 26 00.85 L C51
2017-01-17 08:07:37 S 12 12 59.196 -51 26 01.43 L C51
2017-01-17 11:16:07 S 12 13 27.624 -51 34 13.44 L C51