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
2017-01-17 14:24:48 S 12 13 56.13 -51 42 24.7 – L C51
2017-01-17 17:33:29 S 12 14 24.88 -51 50 35.5 – L C51
2017-01-17 20:42:10 S 12 14 53.635 -51 58 44.36 – L C51
2017-01-17 23:50:40 S 12 15 22.53 -52 06 54.6 – L C51
2017-01-18 02:59:21 S 12 15 51.60 -52 15 03.4 – L C51
2017-01-18 06:08:02 S 12 16 20.79 -52 23 11.5 – L C51
2017-04-14 00:58:38 C 21 36 12.78 -52 26 22.7 – o K95
2017-04-14 01:09:59 C 21 36 13.27 -52 26 07.4 – o K95
2017-04-14 01:22:39 C 21 36 14.05 -52 25 51.3 – o K95
2017-04-14 01:24:36 C 21 36 14.12 -52 25 49.4 – o K95
2017-04-29 01:15:43 C 21 48 36.68 -44 17 00.4 – o K95
2017-04-29 01:35:25 C 21 48 37.00 -44 16 33.3 – o K95
2017-04-29 01:41:12 C 21 48 36.92 -44 16 25.9 – o K95
2017-04-29 02:00:37 C 21 48 37.43 -44 15 58.9 – o K95
2017-05-02 08:14:01 C 21 49 43.90 -42 27 04.4 – q W98
2017-05-02 08:57:14 C 21 49 44.26 -42 26 04.7 – q W98
2017-05-02 09:40:34 C 21 49 44.54 -42 25 04.5 – q W98
2017-05-04 20:41:09 S 21 50 12.06 -41 01 50.0 – L C51
2017-05-04 23:49:38 S 21 50 13.02 -40 57 22.7 – L C51
2017-05-05 02:58:19 S 21 50 13.96 -40 52 54.8 – L C51
2017-05-05 06:06:50 S 21 50 14.80 -40 48 27.2 – L C51
2017-05-05 10:49:35 S 21 50 15.984 -40 41 45.46 – L C51
2017-05-05 12:23:49 S 21 50 16.33 -40 39 31.1 – L C51
2017-05-05 13:58:04 S 21 50 16.71 -40 37 17.2 – L C51
2017-05-05 13:58:16 S 21 50 16.73 -40 37 16.8 – L C51
2017-05-05 15:32:31 S 21 50 17.081 -40 35 02.80 – L C51
2017-05-05 17:06:45 S 21 50 17.39 -40 32 48.6 – L C51
2017-05-05 18:41:01 S 21 50 17.71 -40 30 34.5 – L C51
2017-05-05 20:15:16 S 21 50 18.01 -40 28 20.2 – L C51
2017-05-05 23:23:46 S 21 50 18.58 -40 23 51.7 – L C51
2017-05-06 02:32:15 S 21 50 19.08 -40 19 22.8 – L C51
2017-05-06 02:32:27 S 21 50 19.09 -40 19 22.3 – L C51
2017-05-06 05:40:57 S 21 50 19.55 -40 14 53.1 – L C51
2017-05-06 08:49:27 S 21 50 19.944 -40 10 24.17 – L C51
2017-05-27 11:16:02 C 21 39 01.74 -27 15 26.5 – q 703
2017-05-27 11:18:19 C 21 39 01.62 -27 15 22.7 – q 703
2017-05-27 11:20:36 C 21 39 01.49 -27 15 18.5 – q 703
2017-05-27 11:22:53 C 21 39 01.39 -27 15 14.9 – q 703
2017-05-29 02:11:38 C 21 37 02.77 -26 10 17.5 – o K95
2017-05-29 02:22:42 C 21 37 02.14 -26 09 59.2 – o K95
2017-05-29 02:44:24 C 21 37 00.91 -26 09 22.9 – o K95
2017-06-07 12:34:36 C 21 22 07.65 -19 36 05.1 – L T05
2017-06-07 12:54:49 C 21 22 05.98 -19 35 28.9 – L T05
2017-06-07 13:12:39 C 21 22 04.50 -19 34 57.1 – L T05
2017-06-07 13:31:11 C 21 22 02.97 -19 34 23.7 – L T05
2017-06-15 13:42:55 C 21 04 57.63 -13 42 07.8 – L T08
2017-06-15 13:57:55 C 21 04 56.08 -13 41 39.8 – L T08
2017-06-15 14:14:30 C 21 04 54.36 -13 41 09.3 – L T08
2017-06-15 14:29:31 C 21 04 52.82 -13 40 41.4 – L T08
2017-06-19 08:07:16 C 20 55 41.44 -10 55 03.1 – q 703