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
2012-09-20 06:04:14 C 00 28 10.30 -04 27 31.8 17.7 c 704
2012-09-20 06:25:15 C 00 28 09.32 -04 27 36.6 18.0 c 704
2012-09-20 06:46:14 C 00 28 08.32 -04 27 41.5 18.0 c 704
2012-09-20 07:07:01 C 00 28 07.32 -04 27 46.5 18.0 c 704
2012-09-20 07:28:11 C 00 28 06.33 -04 27 51.0 17.9 c 704
2012-09-21 07:56:10 C 00 26 58.30 -04 33 32.5 r 703
2012-09-21 08:04:22 C 00 26 57.91 -04 33 34.4 r 703
2012-09-21 08:12:34 C 00 26 57.48 -04 33 37.0 r 703
2012-09-21 08:20:39 C 00 26 57.08 -04 33 38.5 r 703
2012-10-06 08:16:23 c 00 08 16.971 -05 52 52.98 L F51
2012-10-06 08:33:51 c 00 08 15.979 -05 52 56.35 L F51
2012-10-07 04:59:26 C 00 07 09.24 -05 56 47.8 o 926
2012-10-07 05:16:14 C 00 07 08.30 -05 56 52.5 o 926
2012-10-07 05:36:29 C 00 07 07.16 -05 56 56.3 o 926
2012-10-08 06:31:18 C 00 05 45.63 -06 01 29.3 r 703
2012-10-08 06:38:28 C 00 05 45.20 -06 01 30.6 r 703
2012-10-08 06:45:46 C 00 05 44.80 -06 01 31.8 r 703
2012-10-08 06:53:00 C 00 05 44.41 -06 01 33.3 r 703
2012-10-13 20:29:56 C 23 58 35.68 -06 22 41.3 o 071
2012-10-13 20:32:47 C 23 58 35.54 -06 22 41.5 o 071
2012-10-13 20:35:38 C 23 58 35.38 -06 22 42.0 o 071
2012-10-13 20:38:30 C 23 58 35.23 -06 22 42.2 o 071
2012-10-13 20:41:21 C 23 58 35.07 -06 22 42.8 o 071
2012-10-14 04:35:36 C 23 58 10.52 -06 23 44.7 r 703
2012-10-14 04:47:43 C 23 58 09.84 -06 23 46.2 r 703
2012-10-14 04:59:53 C 23 58 09.22 -06 23 47.7 r 703
2012-10-14 05:12:08 C 23 58 08.54 -06 23 50.1 r 703
2012-10-17 05:07:54 C 23 54 28.76 -06 32 15.4 18.0 c 704
2012-10-17 05:27:23 C 23 54 27.68 -06 32 18.1 18.2 c 704
2012-10-17 05:47:20 C 23 54 26.68 -06 32 19.8 18.6 c 704
2012-10-17 06:07:24 C 23 54 25.64 -06 32 22.1 18.1 c 704
2012-10-17 06:27:02 C 23 54 24.63 -06 32 23.9 18.1 c 704
2012-10-18 08:29:21 c 23 53 08.001 -06 34 53.33 L F51
2012-10-18 08:38:55 c 23 53 07.513 -06 34 53.43 L F51
2012-10-24 04:39:04 C 23 46 45.35 -06 43 12.9 v H21
2012-10-24 04:44:30 C 23 46 45.11 -06 43 13.2 v H21
2012-10-24 04:50:10 C 23 46 44.87 -06 43 13.3 v H21
2012-10-24 04:55:47 C 23 46 44.62 -06 43 13.3 v H21
2012-11-01 02:55:45 C 23 39 51.81 -06 39 25.9 u H21
2012-11-01 03:01:24 C 23 39 51.62 -06 39 25.4 u H21
2012-11-01 03:12:21 C 23 39 51.28 -06 39 24.4 u H21
2012-11-01 03:18:19 C 23 39 51.08 -06 39 23.9 u H21
2012-11-04 02:35:13 C 23 37 53.40 -06 33 18.9 r 703
2012-11-04 02:48:14 C 23 37 53.07 -06 33 17.7 r 703
2012-11-04 03:01:05 C 23 37 52.71 -06 33 16.6 r 703
2012-11-04 03:14:04 C 23 37 52.39 -06 33 14.3 r 703
2012-11-04 03:22:55 C 23 37 52.12 -06 33 14.3 18.4 c 704
2012-11-04 03:44:29 C 23 37 51.52 -06 33 11.5 18.4 c 704
2012-11-04 04:05:30 C 23 37 50.92 -06 33 09.7 18.5 c 704
2012-11-04 04:26:32 C 23 37 50.37 -06 33 07.3 18.3 c 704