162900 (2001 HG31)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5356275917 ± 1.39e-08
Semi-major axis (a)2.5762499943 AU ± 7.82e-09
Inclination (i)6.15830412° ± 1.96e-06
Long. of Asc. Node (Ω)36.49521184° ± 1.24e-05
Arg. of Perihelion (ω)67.43077182° ± 1.31e-05
Mean Anomaly (M)21.59379751° ± 7.64e-06
Mean Motion (n)0.2383582951°/day ± 1.08e-09
Perihelion dist (q)1.19633941 AU ± 3.60e-08
Aphelion dist (Q)3.95616057 AU ± 3.78e-08
Orbital Period4.13506181 yr ± 1.88e-08
Physical Parameters
H (abs. magnitude)15.98
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.328″
Uncertainty0
Orbit TypeAmor
MOID0.237643 AU
Observations Used1231
Oppositions18
Arc Total2001-2025
First Observation Used2001-02-22
Last Observation Used2025-12-30
Observations (1309)
Date Type RA Dec Mag Band Observatory
2005-03-12 07:34:19 C 13 28 10.90 -01 20 39.5 r H45
2005-03-12 07:36:06 C 13 28 10.79 -01 20 39.4 r H45
2005-03-12 07:38:45 C 13 28 10.71 -01 20 39.5 r H45
2005-03-13 01:31:06 C 13 27 18.88 -01 19 16.7 o 084
2005-03-13 01:35:45 C 13 27 18.63 -01 19 15.6 o 084
2005-03-13 17:40:05 C 13 26 31.50 -01 17 54.5 r 379
2005-03-13 17:44:24 C 13 26 31.27 -01 17 53.5 r 379
2005-03-14 09:33:41 C 13 25 44.00 -01 16 33.9 r H45
2005-03-14 09:37:05 C 13 25 43.81 -01 16 33.4 r H45
2005-03-14 09:39:02 C 13 25 43.70 -01 16 33.0 r H45
2005-03-14 09:40:58 C 13 25 43.61 -01 16 33.2 r H45
2005-03-14 09:43:37 C 13 25 43.43 -01 16 33.1 r H45
2005-03-15 22:51:44 C 13 23 50.54 -01 13 21.9 r A13
2005-03-15 22:58:18 C 13 23 50.18 -01 13 21.4 r A13
2005-03-15 23:03:06 C 13 23 49.93 -01 13 20.9 r A13
2005-03-16 01:03:21 C 13 23 43.37 -01 13 11.7 o 084
2005-03-16 01:08:00 C 13 23 43.09 -01 13 11.1 o 084
2005-03-17 00:41:16 C 13 22 29.28 -01 11 05.3 o 084
2005-03-17 00:45:55 C 13 22 29.05 -01 11 04.7 o 084
2005-03-18 09:33:59 C 13 20 44.24 -01 08 03.3 r 703
2005-03-18 09:47:50 C 13 20 43.44 -01 08 02.1 r 703
2005-03-18 10:01:42 C 13 20 42.64 -01 08 00.9 r 703
2005-03-18 10:15:31 C 13 20 41.92 -01 07 58.7 r 703
2005-03-20 08:02:45 C 13 18 12.46 -01 03 47.1 r H45
2005-03-20 08:17:59 C 13 18 11.57 -01 03 46.5 r H45
2005-03-20 08:22:57 C 13 18 11.28 -01 03 45.4 r H45
2005-03-20 08:24:58 C 13 18 11.21 -01 03 46.0 r H45
2005-03-20 08:27:35 C 13 18 11.05 -01 03 45.8 r H45
2005-03-21 00:08:35 C 13 17 19.13 -01 02 21.8 o 084
2005-03-21 00:13:15 C 13 17 18.84 -01 02 21.1 o 084
2005-03-22 00:08:12 C 13 15 59.06 -01 00 09.1 o 084
2005-03-22 00:12:51 C 13 15 58.81 -01 00 08.5 o 084
2005-03-22 22:54:32 C 13 14 42.65 -00 58 03.8 o 084
2005-03-22 22:59:12 C 13 14 42.37 -00 58 03.5 o 084
2005-03-28 23:42:38 C 13 06 30.99 -00 45 29.5 o 084
2005-03-28 23:47:18 C 13 06 30.74 -00 45 29.5 o 084
2005-03-30 00:13:38 C 13 05 08.15 -00 43 34.1 o 084
2005-03-30 00:18:17 C 13 05 07.86 -00 43 33.7 o 084
2005-03-30 22:33:16 C 13 03 53.42 -00 41 50.7 r 185
2005-03-30 22:58:28 C 13 03 51.97 -00 41 48.8 r 185
2005-03-30 23:13:22 C 13 03 51.10 -00 41 47.8 r 185
2005-03-30 23:27:48 C 13 03 50.30 -00 41 46.6 r 185
2005-03-31 07:14:43 C 13 03 24.10 -00 41 10.1 r H45
2005-03-31 07:20:28 C 13 03 23.68 -00 41 09.2 r H45
2005-03-31 07:25:39 C 13 03 23.39 -00 41 09.5 r H45
2005-03-31 07:27:26 C 13 03 23.26 -00 41 09.4 r H45
2005-03-31 07:29:10 C 13 03 23.22 -00 41 08.9 r H45
2005-03-31 15:33:36 C 13 02 56.29 -00 40 34.5 r 379
2005-03-31 15:40:03 C 13 02 55.89 -00 40 32.7 r 379
2005-04-01 00:08:11 C 13 02 27.71 -00 40 00.0 o 084