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
1999-07-18 05:19:52 C 19 36 58.55 +05 31 46.6 z 859
1999-07-18 05:25:04 C 19 36 58.00 +05 31 51.5 z 859
1999-07-18 21:39:03 C 19 35 22.24 +05 46 37.7 17.3 627
1999-07-18 21:41:18 C 19 35 21.95 +05 46 39.4 17.2 627
1999-07-18 21:58:19 C 19 35 20.31 +05 46 55.1 16.5 627
1999-07-18 21:59:26 C 19 35 20.17 +05 46 56.1 16.8 627
1999-07-18 22:00:34 C 19 35 20.05 +05 46 56.9 16.4 627
1999-07-18 22:01:43 C 19 35 19.94 +05 46 58.6 16.8 627
1999-07-19 11:46:11 C 19 33 59.49 +05 59 33.9 422
1999-07-19 11:47:05 C 19 33 59.37 +05 59 34.7 422
1999-07-19 21:36:56 C 19 33 02.24 +06 07 54.3 z 610
1999-07-19 21:46:54 C 19 33 01.26 +06 08 02.8 z 610
1999-07-19 21:51:41 C 19 33 00.79 +06 08 06.9 z 610
1999-07-19 21:58:54 C 19 33 00.08 +06 08 13.1 z 610
1999-07-19 22:02:48 C 19 32 59.69 +06 08 16.4 z 610
1999-07-20 21:44:23 C 19 30 44.87 +06 28 18.6 a 470
1999-07-20 21:57:30 C 19 30 43.63 +06 28 28.6 a 470
1999-07-23 06:51:19 C 19 25 34.25 +07 12 29.2 848
1999-07-23 06:57:04 C 19 25 33.74 +07 12 33.4 848
1999-07-23 13:52:41 C 19 24 57.47 +07 17 33.7 z 402
1999-07-23 13:54:32 C 19 24 57.31 +07 17 35.0 z 402
1999-07-23 13:56:20 C 19 24 57.12 +07 17 36.7 z 402
1999-07-24 22:09:00 C 19 22 12.71 +07 39 40.7 z 151
1999-07-24 22:21:36 C 19 22 11.84 +07 39 50.6 z 151
1999-07-24 22:25:38 C 19 22 11.39 +07 39 51.4 z 151
1999-07-24 22:32:13 C 19 22 10.76 +07 39 56.2 z 151
1999-07-25 05:48:02 C 19 21 34.88 +07 44 42.0 848
1999-07-25 05:52:22 C 19 21 34.56 +07 44 44.6 848
1999-07-25 21:56:45 C 19 20 15.69 +07 54 57.7 c 118
1999-07-25 22:06:44 C 19 20 14.82 +07 55 03.8 c 118
1999-07-29 23:34:07 C 19 12 55.18 +08 48 34.8 c 118
1999-07-29 23:43:45 C 19 12 54.45 +08 48 39.4 c 118
1999-07-30 14:19:21 C 19 11 54.33 +08 55 32.1 z 402
1999-07-30 14:21:09 C 19 11 54.20 +08 55 32.9 z 402
1999-07-30 14:22:58 C 19 11 54.08 +08 55 33.7 z 402
1999-07-30 20:40:32 C 19 11 28.92 +08 58 23.1 z 151
1999-07-30 20:46:12 C 19 11 28.48 +08 58 24.4 z 151
1999-07-30 20:57:28 C 19 11 27.65 +08 58 30.3 z 151
1999-08-01 21:58:41 C 19 08 17.71 +09 18 59.6 c 118
1999-08-01 22:09:47 C 19 08 17.00 +09 19 03.9 c 118
1999-08-02 03:41:04 C 19 07 57.01 +09 21 12.0 i 726
1999-08-02 03:55:49 C 19 07 55.99 +09 21 16.8 i 726
1999-08-02 04:02:49 C 19 07 55.56 +09 21 17.8 i 726
1999-08-02 04:31:39 C 19 07 53.79 +09 21 28.4 i 726
1999-08-02 04:38:39 C 19 07 53.36 +09 21 30.7 i 726
1999-08-02 04:45:39 C 19 07 52.91 +09 21 32.7 i 726
1999-08-03 05:34:28 C 19 06 24.26 +09 30 38.5 i 670
1999-08-03 05:43:28 C 19 06 23.71 +09 30 41.8 i 670
1999-08-03 05:51:50 C 19 06 23.18 +09 30 44.5 i 670
1999-08-03 06:22:59 C 19 06 21.30 +09 30 55.5 i 670