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
1999-06-23 00:02:49 C 20 46 37.11 -09 07 28.8 z 620
1999-06-23 00:03:35 C 20 46 36.91 -09 07 28.5 z 610
1999-06-23 00:07:59 C 20 46 36.50 -09 07 19.9 z 620
1999-06-23 00:09:35 C 20 46 36.21 -09 07 17.5 z 610
1999-06-23 00:15:34 C 20 46 35.51 -09 07 06.4 z 610
1999-06-23 00:21:35 C 20 46 34.82 -09 06 55.4 z 610
1999-06-25 22:17:41 C 20 38 29.75 -07 00 47.2 c 118
1999-06-25 22:27:50 C 20 38 28.55 -07 00 28.8 c 118
1999-06-26 23:45:23 C 20 35 29.78 -06 15 46.2 z 610
1999-06-26 23:56:43 C 20 35 28.37 -06 15 26.2 z 610
1999-06-27 00:00:54 C 20 35 27.85 -06 15 18.8 z 610
1999-06-27 00:04:25 C 20 35 27.41 -06 15 12.6 z 610
1999-06-27 00:10:45 C 20 35 26.62 -06 15 01.4 z 610
1999-07-02 22:00:31 C 20 18 28.26 -02 17 04.7 z 151
1999-07-02 22:07:13 C 20 18 27.47 -02 16 54.4 z 151
1999-07-02 22:12:50 C 20 18 26.76 -02 16 45.6 z 151
1999-07-02 22:14:44 C 20 18 26.51 -02 16 42.5 z 151
1999-07-02 22:17:18 C 20 18 26.21 -02 16 38.5 z 151
1999-07-02 22:24:12 C 20 18 25.32 -02 16 27.4 z 151
1999-07-02 22:55:31 C 20 18 21.54 -02 15 37.0 z 610
1999-07-02 23:00:30 C 20 18 20.92 -02 15 28.9 z 610
1999-07-02 23:05:30 C 20 18 20.30 -02 15 20.7 z 610
1999-07-02 23:10:31 C 20 18 19.68 -02 15 12.6 z 610
1999-07-02 23:15:31 C 20 18 19.05 -02 15 04.5 z 610
1999-07-04 23:34:35 C 20 12 31.23 -01 00 12.5 z 610
1999-07-04 23:39:34 C 20 12 30.61 -01 00 04.9 z 610
1999-07-04 23:44:34 C 20 12 30.00 -00 59 57.3 z 610
1999-07-04 23:49:35 C 20 12 29.38 -00 59 49.7 z 610
1999-07-04 23:54:35 C 20 12 28.77 -00 59 42.1 z 610
1999-07-05 21:56:38 C 20 09 51.41 -00 26 46.3 z 108
1999-07-05 21:58:59 C 20 09 51.05 -00 26 42.4 z 108
1999-07-05 22:02:29 C 20 09 50.61 -00 26 37.4 z 108
1999-07-06 05:34:43 C 20 08 56.33 -00 15 12.9 c 844
1999-07-06 05:38:50 C 20 08 55.82 -00 15 06.9 c 844
1999-07-06 05:51:08 C 20 08 54.32 -00 14 48.6 c 844
1999-07-07 13:39:06 C 20 05 09.27 +00 30 35.9 z 402
1999-07-07 13:40:54 C 20 05 09.05 +00 30 38.5 z 402
1999-07-07 13:42:44 C 20 05 08.80 +00 30 41.4 z 402
1999-07-07 16:11:00 C 20 04 50.92 +00 34 10.4 360
1999-07-07 16:13:15 C 20 04 50.64 +00 34 13.4 360
1999-07-07 16:16:00 C 20 04 50.31 +00 34 17.3 360
1999-07-07 23:25:03 C 20 04 00.08 +00 44 15.6 z 610
1999-07-07 23:30:05 C 20 03 59.46 +00 44 22.5 z 610
1999-07-07 23:35:04 C 20 03 58.86 +00 44 29.4 z 610
1999-07-07 23:40:04 C 20 03 58.25 +00 44 36.3 z 610
1999-07-07 23:45:04 C 20 03 57.64 +00 44 43.2 z 610
1999-07-08 04:14:49 C 20 03 26.22 +00 50 58.8 b 828
1999-07-08 04:40:48 C 20 03 23.09 +00 51 34.3 b 828
1999-07-10 17:18:13 C 19 56 21.61 +02 12 13.9 z 900
1999-07-10 17:24:49 C 19 56 20.79 +02 12 22.5 z 900