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
2013-03-01 03:18:52 C 02 47 44.01 +21 32 27.5 u 703
2013-03-01 03:26:13 C 02 47 45.16 +21 32 33.2 u 703
2013-03-04 11:09:03 C 02 59 46.88 +22 32 00.9 r D29
2013-03-04 11:37:44 C 02 59 51.23 +22 32 22.0 r D29
2013-03-04 12:02:02 C 02 59 54.93 +22 32 38.8 r D29
2013-03-07 05:43:06 C 03 10 06.375 +23 19 46.05 L F51
2013-03-07 05:50:40 C 03 10 07.555 +23 19 51.33 L F51
2013-03-07 05:58:16 C 03 10 08.733 +23 19 56.60 L F51
2013-03-07 06:05:50 C 03 10 09.917 +23 20 01.85 L F51
2013-04-03 05:57:06 C 05 02 01.377 +28 42 42.89 L F51
2013-04-03 06:04:07 C 05 02 02.659 +28 42 44.53 L F51
2013-04-03 06:12:25 C 05 02 04.176 +28 42 46.50 L F51
2013-04-07 05:52:15 C 05 19 44.550 +29 01 57.41 L F51
2013-04-07 05:58:56 C 05 19 45.775 +29 01 58.38 L F51
2013-04-07 06:05:36 C 05 19 47.005 +29 01 59.37 L F51
2013-04-07 06:12:15 C 05 19 48.230 +29 02 00.34 L F51
2013-05-01 03:58:05 C 07 04 29.06 +28 03 34.0 u G96
2013-05-01 04:05:45 C 07 04 30.43 +28 03 31.3 u G96
2013-05-01 04:13:28 C 07 04 31.76 +28 03 28.9 u G96
2013-05-01 04:21:19 C 07 04 33.13 +28 03 26.3 u G96
2013-05-01 04:29:02 C 07 04 34.46 +28 03 23.1 u G96
2013-05-05 06:10:21 C 07 21 25.655 +27 26 39.31 L F51
2013-05-05 06:17:58 C 07 21 26.948 +27 26 36.16 L F51
2013-05-05 06:25:41 C 07 21 28.248 +27 26 32.94 L F51
2013-06-02 06:21:34 C 09 04 28.918 +20 58 52.49 L F51
2013-06-02 06:29:30 C 09 04 29.985 +20 58 47.00 L F51
2013-06-02 06:37:25 C 09 04 31.064 +20 58 41.40 L F51
2013-06-02 06:45:21 C 09 04 32.127 +20 58 35.93 L F51
2014-07-05 23:02:02 C 16 23 53.71 -27 04 51.7 W84
2014-07-05 23:05:08 C 16 23 53.63 -27 04 51.5 W84
2014-07-05 23:08:13 C 16 23 53.54 -27 04 51.3 W84
2014-07-05 23:16:55 C 16 23 53.30 -27 04 50.6 W84
2014-07-05 23:18:55 C 16 23 53.24 -27 04 50.5 W84
2014-07-05 23:20:54 C 16 23 53.18 -27 04 50.3 W84
2014-07-05 23:23:56 C 16 23 53.11 -27 04 49.9 W84
2014-07-05 23:28:02 C 16 23 53.01 -27 04 49.6 W84
2014-07-05 23:32:07 C 16 23 52.88 -27 04 49.2 W84
2014-07-06 00:10:39 C 16 23 51.81 -27 04 46.5 W84
2014-07-06 00:13:45 C 16 23 51.72 -27 04 46.3 W84
2014-07-06 00:16:50 C 16 23 51.64 -27 04 46.1 W84
2014-07-06 00:25:31 C 16 23 51.39 -27 04 45.6 W84
2014-07-06 00:27:29 C 16 23 51.34 -27 04 45.2 W84
2014-07-06 00:29:27 C 16 23 51.28 -27 04 45.1 W84
2014-07-06 00:32:29 C 16 23 51.20 -27 04 44.8 W84
2014-07-06 00:36:32 C 16 23 51.09 -27 04 44.5 W84
2014-07-06 00:40:37 C 16 23 50.97 -27 04 44.3 W84
2016-08-02 12:26:22 C 23 38 25.450 -10 49 00.70 L F51
2016-08-02 12:42:18 C 23 38 25.205 -10 49 03.50 L F51
2016-08-02 12:58:13 C 23 38 24.957 -10 49 06.16 L F51
2016-08-02 13:14:07 C 23 38 24.711 -10 49 08.83 L F51