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
2005-05-04 06:34:55 C 12 32 37.32 -00 55 08.5 r 703
2005-05-04 07:05:09 C 12 32 36.81 -00 55 12.7 r 703
2005-05-04 07:17:09 C 12 32 36.67 -00 55 13.8 r 703
2005-05-04 07:29:09 C 12 32 36.49 -00 55 15.4 r 703
2005-05-05 08:20:42 C 12 32 16.38 -00 58 14.2 19.1 c 608
2005-05-05 08:35:25 C 12 32 16.15 -00 58 16.2 19.1 c 608
2005-05-05 08:50:39 C 12 32 15.91 -00 58 17.2 19.3 c 608
2005-05-06 04:51:46 C 12 32 01.31 -01 00 52.8 19.2 c 704
2005-05-06 05:21:19 C 12 32 00.86 -01 00 57.1 19.4 c 704
2005-05-06 05:50:49 C 12 32 00.42 -01 01 00.4 19.6 c 704
2005-05-13 03:25:11 C 12 30 52.13 -01 25 31.3 c 691
2005-05-13 03:47:22 C 12 30 52.04 -01 25 35.0 c 691
2005-05-13 04:15:54 C 12 30 51.93 -01 25 39.8 c 691
2005-05-15 03:54:25 C 12 30 49.12 -01 33 48.9 18.8 c 644
2005-05-15 04:24:41 C 12 30 49.09 -01 33 54.3 18.9 c 644
2005-05-15 04:56:28 C 12 30 49.05 -01 34 00.0 18.8 c 644
2005-05-23 04:17:37 C 12 31 46.97 -02 11 07.5 19.2 o 644
2005-05-23 04:46:05 C 12 31 47.19 -02 11 13.5 19.1 o 644
2005-05-23 05:16:01 C 12 31 47.43 -02 11 19.8 19.3 o 644
2008-07-28 19:22:14 C 02 02 29.94 +07 56 53.7 r E12
2008-07-28 19:28:24 C 02 02 30.19 +07 56 56.3 r E12
2008-07-28 19:34:38 C 02 02 30.62 +07 56 58.7 r E12
2008-07-28 19:40:49 C 02 02 30.94 +07 57 00.0 r E12
2008-08-27 03:16:49 C 02 42 23.93 +11 39 37.4 r J75
2008-08-27 03:37:16 C 02 42 24.97 +11 39 43.5 r J75
2008-08-27 03:57:54 C 02 42 26.01 +11 39 50.1 r J75
2008-09-07 10:54:27 C 02 56 09.02 +13 01 12.0 r 703
2008-09-07 11:13:51 C 02 56 09.88 +13 01 18.0 r 703
2008-09-07 11:24:06 C 02 56 10.39 +13 01 20.7 r 703
2008-09-07 11:34:17 C 02 56 10.82 +13 01 23.5 r 703
2008-09-14 00:40:13 C 03 03 27.12 +13 48 37.2 r J75
2008-09-14 00:58:59 C 03 03 27.95 +13 48 43.1 r J75
2008-09-14 01:17:53 C 03 03 28.72 +13 48 49.0 r J75
2008-09-22 00:26:13 C 03 11 26.55 +14 47 31.1 18.0 r 084
2008-09-22 22:33:10 C 03 12 17.62 +14 54 27.4 17.7 r 084
2008-09-24 09:37:28 C 03 13 36.22 +15 05 37.3 r 703
2008-09-24 09:46:42 C 03 13 36.58 +15 05 39.6 r G96
2008-09-24 09:47:26 C 03 13 36.62 +15 05 40.9 r 703
2008-09-24 09:57:09 C 03 13 36.91 +15 05 43.8 r 703
2008-09-24 09:59:03 C 03 13 36.98 +15 05 43.5 r G96
2008-09-24 10:06:55 C 03 13 37.23 +15 05 46.7 r 703
2008-09-24 10:11:23 C 03 13 37.41 +15 05 47.4 r G96
2008-09-24 10:23:45 C 03 13 37.84 +15 05 51.3 r G96
2008-09-24 11:22:01 C 03 13 39.82 +15 06 10.1 r G96
2008-09-24 11:27:47 C 03 13 40.00 +15 06 11.9 r G96
2008-09-24 11:33:31 C 03 13 40.22 +15 06 13.7 r G96
2008-09-24 11:39:21 C 03 13 40.40 +15 06 15.5 r G96
2008-09-24 12:01:20 C 03 13 41.16 +15 06 22.4 r G96
2008-09-24 12:03:57 C 03 13 41.26 +15 06 23.3 r G96
2008-09-24 12:06:33 C 03 13 41.34 +15 06 24.1 r G96