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
2008-09-24 12:09:10 C 03 13 41.44 +15 06 24.9 r G96
2008-09-25 11:10:04 C 03 14 31.64 +15 13 46.0 o 691
2008-09-25 11:35:27 C 03 14 32.49 +15 13 54.0 o 691
2008-09-25 12:00:51 C 03 14 33.34 +15 14 02.1 o 691
2008-09-28 06:57:12 C 03 16 52.76 +15 35 41.8 17.9 c 704
2008-09-28 07:14:43 C 03 16 53.29 +15 35 46.8 18.3 c 704
2008-09-28 07:32:15 C 03 16 53.86 +15 35 52.7 18.3 c 704
2008-09-28 07:49:46 C 03 16 54.39 +15 35 58.9 18.2 c 704
2008-09-28 08:07:13 C 03 16 54.93 +15 36 04.6 18.3 c 704
2008-09-28 23:45:48 C 03 17 25.85 +15 41 10.2 r B67
2008-09-28 23:58:55 C 03 17 26.24 +15 41 14.6 r B67
2008-09-29 00:11:55 C 03 17 26.65 +15 41 18.8 r B67
2008-10-02 08:10:35 C 03 19 54.91 +16 08 08.0 18.2 c 704
2008-10-02 08:28:29 C 03 19 55.38 +16 08 13.8 18.7 c 704
2008-10-02 08:46:13 C 03 19 55.86 +16 08 20.3 18.3 c 704
2008-10-02 09:04:29 C 03 19 56.34 +16 08 26.3 18.5 c 704
2008-10-02 09:22:14 C 03 19 56.80 +16 08 32.0 18.1 c 704
2008-10-04 00:19:15 C 03 21 03.07 +16 21 53.0 v 204
2008-10-04 02:03:06 C 03 21 05.66 +16 22 29.2 v 204
2008-10-04 02:31:26 C 03 21 06.37 +16 22 38.9 v 204
2008-10-04 03:13:39 C 03 21 07.25 +16 22 54.0 i 071
2008-10-04 03:17:13 C 03 21 07.34 +16 22 55.4 i 071
2008-10-04 03:20:45 C 03 21 07.42 +16 22 56.7 i 071
2008-10-04 03:24:26 C 03 21 07.54 +16 22 57.9 i 071
2008-10-05 21:35:53 C 03 22 14.83 +16 37 43.3 17.8 r 084
2008-10-05 21:41:06 C 03 22 14.93 +16 37 45.1 17.7 r 084
2008-10-07 09:54:23 C 03 23 07.87 +16 50 49.9 r 703
2008-10-07 10:04:08 C 03 23 08.19 +16 50 53.0 r 703
2008-10-07 10:13:42 C 03 23 08.37 +16 50 55.2 r 703
2008-10-07 10:23:20 C 03 23 08.52 +16 50 57.3 r 703
2008-10-07 20:07:48 C 03 23 22.62 +16 54 25.8 17.4 r 084
2008-10-08 00:37:28 C 03 23 28.41 +16 56 05.0 17.4 r 084
2008-10-08 00:42:43 C 03 23 28.51 +16 56 06.8 17.4 r 084
2008-10-09 01:55:12 C 03 24 02.09 +17 05 22.6 17.1 r 084
2008-10-09 02:00:26 C 03 24 02.20 +17 05 24.4 17.2 r 084
2008-10-12 20:46:33 C 03 25 48.27 +17 39 56.1 17.0 r 084
2008-10-12 20:51:47 C 03 25 48.33 +17 39 58.0 17.1 r 084
2008-10-19 08:36:22 C 03 27 46.74 +18 44 17.7 o 691
2008-10-19 09:01:43 C 03 27 46.85 +18 44 28.7 o 691
2008-10-19 09:27:04 C 03 27 46.95 +18 44 39.7 o 691
2008-10-19 10:22:26 C 03 27 46.99 +18 45 01.9 r H45
2008-10-19 10:24:10 C 03 27 46.99 +18 45 02.5 r H45
2008-10-19 10:27:33 C 03 27 47.02 +18 45 04.1 r H45
2008-10-19 10:30:18 C 03 27 47.03 +18 45 05.3 r H45
2008-10-19 10:33:15 C 03 27 47.05 +18 45 06.5 r H45
2008-10-23 07:21:06 C 03 28 17.07 +19 26 54.1 o 691
2008-10-23 07:46:31 C 03 28 17.03 +19 27 06.0 o 691
2008-10-23 08:11:55 C 03 28 16.99 +19 27 18.0 o 691
2008-10-24 21:48:17 C 03 28 19.89 +19 44 56.9 c J93
2008-10-24 21:52:24 C 03 28 19.90 +19 44 58.9 c J93