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
2005-02-05 12:45:45 C 13 40 41.65 -00 52 56.8 17.1 c 644
2005-02-05 13:03:00 C 13 40 41.98 -00 52 59.9 17.2 c 644
2005-02-05 13:17:22 C 13 40 42.27 -00 53 02.6 17.2 c 644
2005-02-10 00:53:49 C 13 42 34.29 -01 10 22.0 o 084
2005-02-10 00:58:28 C 13 42 34.34 -01 10 22.5 o 084
2005-02-10 09:52:31 C 13 42 40.72 -01 11 32.9 r H41
2005-02-10 09:54:59 C 13 42 40.83 -01 11 33.6 r H41
2005-02-10 10:00:48 C 13 42 40.89 -01 11 34.2 r H41
2005-02-10 10:11:48 C 13 42 40.90 -01 11 34.6 r H41
2005-02-23 01:01:25 C 13 41 55.75 -01 35 01.6 o 084
2005-02-23 01:06:06 C 13 41 55.62 -01 35 01.9 o 084
2005-02-24 02:30:17 C 13 41 28.91 -01 35 30.6 o 084
2005-03-01 21:35:43 C 13 38 04.45 -01 34 38.6 o 084
2005-03-04 08:33:31 C 13 36 08.63 -01 32 33.9 r 703
2005-03-04 08:46:30 C 13 36 08.14 -01 32 33.2 r 703
2005-03-04 08:59:34 C 13 36 07.66 -01 32 32.7 r 703
2005-03-04 09:12:35 C 13 36 07.15 -01 32 32.2 r 703
2005-03-04 10:04:37 C 13 36 05.20 -01 32 29.4 16.8 c 704
2005-03-04 10:20:51 C 13 36 04.60 -01 32 29.0 17.5 c 704
2005-03-04 10:37:47 C 13 36 03.96 -01 32 28.0 17.5 c 704
2005-03-04 10:53:55 C 13 36 03.33 -01 32 27.4 17.4 c 704
2005-03-04 11:10:03 C 13 36 02.71 -01 32 26.8 17.3 c 704
2005-03-05 08:05:54 C 13 35 17.79 -01 31 31.3 r H45
2005-03-05 08:07:48 C 13 35 17.76 -01 31 31.2 r H45
2005-03-05 08:26:34 C 13 35 17.00 -01 31 29.8 r H45
2005-03-05 08:28:21 C 13 35 16.92 -01 31 29.5 r H45
2005-03-05 08:30:07 C 13 35 16.82 -01 31 28.8 r H45
2005-03-06 17:21:32 C 13 34 01.90 -01 29 47.7 r 379
2005-03-06 17:23:40 C 13 34 01.78 -01 29 47.5 r 379
2005-03-06 17:25:49 C 13 34 01.68 -01 29 48.3 r 379
2005-03-06 17:36:35 C 13 34 01.20 -01 29 46.6 r 379
2005-03-08 08:28:14 C 13 32 26.66 -01 27 28.6 r H45
2005-03-08 08:32:05 C 13 32 26.55 -01 27 28.6 r H45
2005-03-08 08:34:16 C 13 32 26.46 -01 27 28.4 r H45
2005-03-08 08:37:13 C 13 32 26.31 -01 27 28.3 r H45
2005-03-08 08:39:03 C 13 32 26.27 -01 27 27.6 r H45
2005-03-10 01:34:26 C 13 30 40.00 -01 24 46.3 o 084
2005-03-10 01:39:06 C 13 30 39.79 -01 24 45.8 o 084
2005-03-10 08:08:32 C 13 30 22.72 -01 24 14.5 r 703
2005-03-10 08:22:11 C 13 30 22.06 -01 24 13.3 r 703
2005-03-10 08:35:46 C 13 30 21.43 -01 24 12.3 r 703
2005-03-10 08:49:20 C 13 30 20.77 -01 24 11.2 r 703
2005-03-11 09:38:48 C 13 29 12.64 -01 22 20.7 c 691
2005-03-11 10:15:11 C 13 29 10.85 -01 22 18.3 c 691
2005-03-11 10:51:36 C 13 29 09.07 -01 22 15.5 c 691
2005-03-11 11:26:02 C 13 29 07.46 -01 22 13.7 18.0 c 704
2005-03-11 11:41:10 C 13 29 06.70 -01 22 12.5 17.8 c 704
2005-03-11 11:57:14 C 13 29 05.94 -01 22 11.4 18.3 c 704
2005-03-12 07:28:23 C 13 28 11.22 -01 20 41.1 r H45
2005-03-12 07:32:26 C 13 28 10.98 -01 20 40.8 r H45