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
2008-11-03 18:09:53 C 03 26 31.98 +21 48 44.6 o D35
2008-11-03 18:12:21 C 03 26 31.93 +21 48 45.9 o D35
2008-11-03 18:14:45 C 03 26 31.89 +21 48 47.3 o D35
2008-11-03 18:17:14 C 03 26 31.83 +21 48 48.6 o D35
2008-11-03 18:19:39 C 03 26 31.79 +21 48 50.0 o D35
2008-11-03 18:22:05 C 03 26 31.74 +21 48 51.4 o D35
2008-11-03 18:24:31 C 03 26 31.69 +21 48 52.7 o D35
2008-11-03 18:26:58 C 03 26 31.65 +21 48 54.0 o D35
2008-11-03 18:29:23 C 03 26 31.59 +21 48 55.5 o D35
2008-11-03 18:31:48 C 03 26 31.55 +21 48 56.8 o D35
2008-11-03 18:34:13 C 03 26 31.50 +21 48 58.2 o D35
2008-11-03 18:36:40 C 03 26 31.45 +21 48 59.5 o D35
2008-11-03 18:41:32 C 03 26 31.36 +21 49 02.2 o D35
2008-11-06 20:43:12 C 03 25 17.85 +22 32 12.1 c 127
2008-11-06 20:48:52 C 03 25 17.74 +22 32 15.4 c 127
2008-11-06 20:56:12 C 03 25 17.59 +22 32 20.0 c 127
2008-11-06 21:02:32 C 03 25 17.45 +22 32 25.1 r B67
2008-11-06 21:03:38 C 03 25 17.42 +22 32 24.7 c 127
2008-11-06 21:11:32 C 03 25 17.26 +22 32 30.6 r B67
2008-11-06 21:20:19 C 03 25 17.06 +22 32 35.9 r B67
2008-11-06 23:17:05 C 03 25 14.13 +22 33 43.0 15.4 r 084
2008-11-06 23:22:18 C 03 25 14.02 +22 33 46.2 15.4 r 084
2008-11-07 18:16:29 C 03 24 52.77 +22 45 12.6 r A98
2008-11-07 18:25:18 C 03 24 52.66 +22 45 18.3 r A98
2008-11-07 18:34:06 C 03 24 52.42 +22 45 23.4 r A98
2008-11-07 18:42:54 C 03 24 52.26 +22 45 28.8 r A98
2008-11-07 18:51:44 C 03 24 52.08 +22 45 34.8 r A98
2008-11-07 19:00:33 C 03 24 51.91 +22 45 40.2 r A98
2008-11-07 21:50:34 C 03 24 47.89 +22 47 23.3 15.5 r 084
2008-11-07 21:55:48 C 03 24 47.77 +22 47 26.5 15.5 r 084
2008-11-10 02:19:48 C 03 23 41.29 +23 20 03.9 r H53
2008-11-10 02:23:40 C 03 23 41.20 +23 20 06.6 r H53
2008-11-10 02:26:41 C 03 23 41.09 +23 20 08.6 r H53
2008-11-10 02:29:38 C 03 23 41.02 +23 20 10.3 r H53
2008-11-10 02:33:38 C 03 23 40.93 +23 20 13.3 r H53
2008-11-10 02:36:38 C 03 23 40.87 +23 20 15.0 r H53
2008-11-15 21:09:12 C 03 20 08.48 +24 51 29.4 r A13
2008-11-15 21:35:54 C 03 20 07.61 +24 51 48.0 r A13
2008-11-16 23:11:50 C 03 19 23.71 +25 09 28.5 r B19
2008-11-16 23:15:24 C 03 19 23.61 +25 09 31.1 r B19
2008-11-16 23:17:50 C 03 19 23.53 +25 09 32.8 r B19
2008-11-17 17:05:57 C 03 18 53.35 +25 21 47.7 15.1 r 084
2008-11-17 17:09:10 C 03 18 53.29 +25 21 49.3 15.1 r 084
2008-11-17 21:10:08 C 03 18 46.02 +25 24 45.6 r B75
2008-11-17 21:12:10 C 03 18 45.94 +25 24 47.5 r B75
2008-11-17 21:14:13 C 03 18 45.87 +25 24 48.6 r B75
2008-11-17 21:16:17 C 03 18 45.77 +25 24 50.1 r B75
2008-11-17 21:18:19 C 03 18 45.71 +25 24 52.1 r B75
2008-11-17 21:20:24 C 03 18 45.61 +25 24 52.9 r B75
2008-11-17 21:22:26 C 03 18 45.58 +25 24 54.0 r B75