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
1954-12-30 06:24:00 05 08 55.55 +37 49 35.1 675
1954-12-30 07:09:00 05 08 51.23 +37 48 47.2 675
1989-09-06 04:45:00 21 29 18.77 +39 30 59.8 q 261
1989-09-06 05:24:59 21 29 16.37 +39 30 47.8 q 261
1999-06-13 09:14:54 c 21 10 51.86 -16 15 40.5 d 703
1999-06-13 09:18:57 c 21 10 51.49 -16 15 33.9 d 703
1999-06-13 09:40:02 c 21 10 49.40 -16 14 54.5 d 703
1999-06-13 09:44:06 c 21 10 49.00 -16 14 46.9 d 703
1999-06-13 10:05:05 c 21 10 46.93 -16 14 07.9 d 703
1999-06-13 10:09:11 c 21 10 46.50 -16 13 59.7 d 703
1999-06-13 10:30:12 c 21 10 44.44 -16 13 22.2 d 703
1999-06-13 10:34:14 c 21 10 43.96 -16 13 12.6 d 703
1999-06-14 08:30:26 c 21 08 38.27 -15 32 26.8 d 703
1999-06-14 08:37:30 c 21 08 37.55 -15 32 15.0 d 703
1999-06-14 08:42:14 c 21 08 37.08 -15 32 03.8 d 703
1999-06-14 08:49:23 c 21 08 36.42 -15 31 51.8 d 703
1999-06-14 15:45:46 C 21 07 55.77 -15 18 43.4 z 428
1999-06-14 15:50:36 C 21 07 55.28 -15 18 34.4 z 428
1999-06-14 15:55:29 C 21 07 54.83 -15 18 26.5 z 428
1999-06-15 23:53:09 C 21 04 44.64 -14 19 08.8 z 620
1999-06-15 23:58:31 C 21 04 44.20 -14 18 58.8 z 620
1999-06-16 00:01:47 C 21 04 43.80 -14 18 53.0 z 620
1999-06-16 00:14:03 C 21 04 42.51 -14 18 30.2 z 620
1999-06-16 19:35:50 C 21 02 43.37 -13 42 07.2 426
1999-06-16 19:38:53 C 21 02 43.05 -13 42 01.4 426
1999-06-16 19:42:35 C 21 02 42.66 -13 41 54.8 426
1999-06-17 07:16:52 C 21 01 31.14 -13 20 23.6 z 859
1999-06-17 07:24:53 C 21 01 30.26 -13 20 08.4 z 859
1999-06-17 07:32:39 C 21 01 29.44 -13 19 53.8 z 859
1999-06-17 15:18:45 C 21 00 41.72 -13 05 21.7 422
1999-06-17 15:19:45 C 21 00 41.63 -13 05 19.8 422
1999-06-17 15:20:38 C 21 00 41.52 -13 05 18.2 422
1999-06-17 15:21:36 C 21 00 41.42 -13 05 16.4 422
1999-06-17 19:25:32 C 21 00 15.18 -12 57 41.9 426
1999-06-17 19:29:04 C 21 00 14.80 -12 57 35.4 426
1999-06-17 19:33:28 C 21 00 14.31 -12 57 27.0 426
1999-06-19 23:30:42 C 20 54 42.17 -11 21 07.6 z 151
1999-06-19 23:35:44 C 20 54 41.48 -11 20 58.5 z 151
1999-06-19 23:39:46 C 20 54 41.02 -11 20 52.1 z 151
1999-06-19 23:41:55 C 20 54 40.86 -11 20 46.9 z 151
1999-06-19 23:46:01 C 20 54 40.46 -11 20 40.7 z 151
1999-06-19 23:50:55 C 20 54 39.86 -11 20 30.3 z 151
1999-06-20 23:00:33 C 20 52 07.35 -10 37 36.9 d 046
1999-06-20 23:05:49 C 20 52 06.72 -10 37 26.7 d 046
1999-06-20 23:07:22 C 20 52 06.54 -10 37 23.9 d 046
1999-06-20 23:08:41 C 20 52 06.42 -10 37 21.8 d 046
1999-06-20 23:10:05 C 20 52 06.25 -10 37 19.3 d 046
1999-06-22 23:51:09 C 20 46 38.41 -09 07 50.0 z 620
1999-06-22 23:57:09 C 20 46 37.76 -09 07 39.3 z 620
1999-06-22 23:57:34 C 20 46 37.60 -09 07 39.5 z 610