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
1999-07-10 22:18:45 C 19 55 47.96 +02 18 35.1 a 470
1999-07-10 22:23:51 C 19 55 47.37 +02 18 41.6 a 470
1999-07-11 05:07:55 C 19 55 01.47 +02 27 08.5 i 726
1999-07-11 05:12:55 C 19 55 00.85 +02 27 14.5 i 726
1999-07-11 05:22:56 C 19 54 59.74 +02 27 27.4 i 726
1999-07-11 05:32:55 C 19 54 58.60 +02 27 40.0 i 726
1999-07-12 02:33:56 C 19 52 36.65 +02 53 34.5 b 828
1999-07-12 07:22:16 C 19 52 03.95 +02 59 26.1 16.4 a 704
1999-07-12 07:40:06 C 19 52 01.89 +02 59 47.4 a 704
1999-07-12 07:57:57 C 19 51 59.83 +03 00 09.2 a 704
1999-07-12 08:15:46 C 19 51 57.78 +03 00 30.2 a 704
1999-07-12 08:33:37 C 19 51 55.73 +03 00 51.5 a 704
1999-07-12 21:40:20 C 19 50 28.80 +03 16 26.3 z 108
1999-07-12 21:43:10 C 19 50 28.54 +03 16 29.6 z 108
1999-07-12 21:46:29 C 19 50 28.16 +03 16 33.5 z 108
1999-07-12 22:32:36 C 19 50 22.91 +03 17 26.6 z 610
1999-07-12 22:37:36 C 19 50 22.32 +03 17 32.6 z 610
1999-07-12 22:42:35 C 19 50 21.74 +03 17 38.7 z 610
1999-07-12 22:47:35 C 19 50 21.15 +03 17 44.7 z 610
1999-07-12 22:52:35 C 19 50 20.57 +03 17 50.7 z 610
1999-07-13 05:26:15 C 19 49 37.40 +03 25 34.4 16.0 a 704
1999-07-13 05:44:23 C 19 49 35.34 +03 25 55.6 a 704
1999-07-13 06:02:28 C 19 49 33.30 +03 26 16.6 a 704
1999-07-13 06:20:28 C 19 49 31.26 +03 26 37.4 a 704
1999-07-13 06:38:27 C 19 49 29.23 +03 26 58.5 a 704
1999-07-14 22:07:07 C 19 45 12.06 +04 11 17.3 16.4 z 143
1999-07-14 22:10:42 C 19 45 11.66 +04 11 21.7 16.7 z 143
1999-07-14 22:14:15 C 19 45 11.29 +04 11 26.1 16.6 z 143
1999-07-14 22:17:49 C 19 45 10.81 +04 11 29.7 16.3 z 143
1999-07-15 21:13:35 C 19 42 44.91 +04 35 54.8 c 118
1999-07-15 21:22:21 C 19 42 44.00 +04 36 04.0 c 118
1999-07-15 22:47:49 C 19 42 34.77 +04 37 35.4 z 610
1999-07-15 22:52:50 C 19 42 34.25 +04 37 40.1 z 610
1999-07-15 22:57:50 C 19 42 33.74 +04 37 44.9 z 610
1999-07-15 23:02:49 C 19 42 33.23 +04 37 49.6 z 610
1999-07-15 23:07:49 C 19 42 32.71 +04 37 53.3 z 610
1999-07-16 22:55:11 C 19 40 04.37 +05 02 06.4 z 151
1999-07-16 23:00:38 C 19 40 03.76 +05 02 12.2 z 151
1999-07-16 23:10:30 C 19 40 02.77 +05 02 22.1 z 151
1999-07-16 23:15:29 C 19 40 02.22 +05 02 26.9 z 151
1999-07-16 23:19:34 C 19 40 01.71 +05 02 31.1 z 151
1999-07-16 23:34:37 C 19 40 00.20 +05 02 45.4 z 151
1999-07-17 03:21:40 C 19 39 37.31 +05 06 28.9 i 726
1999-07-17 03:26:40 C 19 39 36.77 +05 06 35.6 i 726
1999-07-17 03:31:39 C 19 39 36.20 +05 06 39.7 i 726
1999-07-17 03:41:39 C 19 39 35.23 +05 06 50.4 i 726
1999-07-17 22:32:36 C 19 37 40.10 +05 25 07.3 z 108
1999-07-17 22:34:58 C 19 37 39.89 +05 25 08.0 z 108
1999-07-17 22:38:54 C 19 37 39.51 +05 25 13.7 z 108
1999-07-18 05:11:07 C 19 36 59.48 +05 31 38.4 z 859