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
2001-04-28 07:48:43 C 14 29 54.80 -15 11 18.1 926
2001-04-29 07:36:15 C 14 28 40.56 -15 07 57.9 926
2001-04-29 07:46:30 C 14 28 39.99 -15 07 59.1 673
2001-04-29 07:46:35 C 14 28 40.01 -15 07 56.9 926
2001-04-29 07:51:48 C 14 28 39.66 -15 07 58.3 673
2001-04-29 07:55:58 C 14 28 39.51 -15 07 55.0 926
2001-04-29 07:57:29 C 14 28 39.37 -15 07 57.4 673
2001-04-29 23:26:30 C 14 27 51.49 -15 05 46.1 118
2001-04-29 23:31:06 C 14 27 51.21 -15 05 45.6 118
2001-04-29 23:40:59 C 14 27 50.68 -15 05 44.0 118
2001-04-30 07:09:48 C 14 27 27.49 -15 04 40.7 649
2001-04-30 07:12:34 C 14 27 27.57 -15 04 38.7 18.3 c 704
2001-04-30 07:14:01 C 14 27 27.46 -15 04 38.8 926
2001-04-30 07:21:43 C 14 27 27.02 -15 04 37.3 926
2001-04-30 07:27:09 C 14 27 26.76 -15 04 36.6 649
2001-04-30 07:28:32 C 14 27 26.69 -15 04 36.6 926
2001-04-30 07:31:54 C 14 27 26.46 -15 04 36.3 18.3 c 704
2001-04-30 07:51:10 C 14 27 25.43 -15 04 34.7 18.4 c 704
2001-04-30 08:02:54 C 14 27 24.66 -15 04 34.2 649
2001-04-30 08:10:30 C 14 27 24.47 -15 04 31.4 18.4 c 704
2001-05-03 07:50:04 C 14 23 47.28 -14 54 29.2 926
2001-05-03 07:56:48 C 14 23 46.92 -14 54 28.2 926
2001-05-26 04:21:18 C 14 02 16.87 -13 52 51.5 291
2001-05-26 04:57:30 C 14 02 15.84 -13 52 48.8 291
2001-05-26 05:28:08 C 14 02 14.99 -13 52 46.7 291
2001-07-04 10:43:14 C 13 58 15.48 -14 13 53.9 e 413
2001-07-04 10:47:53 C 13 58 15.63 -14 13 54.3 e 413
2001-07-04 11:07:36 C 13 58 15.90 -14 13 56.2 e 413
2003-08-04 13:45:25 C 21 01 57.80 -25 55 06.8 c 474
2003-08-04 13:50:09 C 21 01 57.65 -25 55 07.0 c 474
2003-08-04 13:55:16 C 21 01 57.47 -25 55 08.2 c 474
2003-08-04 14:01:16 C 21 01 57.16 -25 55 10.4 c 474
2003-08-04 14:08:14 C 21 01 56.89 -25 55 10.7 c 474
2003-09-26 04:13:42 C 20 22 39.78 -27 01 58.5 o 696
2003-09-26 04:41:31 C 20 22 39.51 -27 01 56.7 o 696
2004-09-17 10:48:52 C 06 34 11.35 +25 11 15.4 18.5 c 704
2004-09-17 11:05:57 C 06 34 14.16 +25 11 16.9 18.9 c 704
2004-09-17 11:23:10 C 06 34 16.96 +25 11 18.4 18.9 c 704
2004-09-17 11:40:15 C 06 34 19.76 +25 11 19.8 19.1 c 704
2004-09-23 10:08:00 C 06 58 17.25 +25 17 38.5 19.1 c 704
2004-09-23 10:25:08 C 06 58 20.16 +25 17 38.0 19.0 c 704
2004-09-23 10:42:15 C 06 58 23.06 +25 17 38.4 19.0 c 704
2004-09-23 10:59:26 C 06 58 26.02 +25 17 38.6 19.0 c 704
2004-10-16 10:10:19 C 08 35 18.87 +23 34 20.9 o 699
2004-10-16 10:24:20 C 08 35 21.23 +23 34 15.1 o 699
2004-10-16 10:38:23 C 08 35 23.76 +23 34 11.2 o 699
2004-10-16 10:52:24 C 08 35 26.19 +23 34 04.9 o 699
2004-10-21 10:37:56 C 08 56 33.54 +22 44 13.7 18.7 c 704
2004-10-21 10:54:44 C 08 56 36.48 +22 44 06.1 18.9 c 704
2004-10-21 11:11:32 C 08 56 39.37 +22 43 58.8 19.0 c 704