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
2020-08-09 12:06:58 C 22 35 37.715 -18 03 34.45 U F51
2020-08-09 12:07:53 C 22 35 37.692 -18 03 34.80 U F51
2020-08-09 12:22:48 C 22 35 37.114 -18 03 38.46 U F51
2020-08-09 12:23:43 C 22 35 37.089 -18 03 38.76 U F51
2020-08-09 12:38:39 C 22 35 36.521 -18 03 42.48 U F51
2020-08-09 12:39:35 C 22 35 36.492 -18 03 42.75 U F51
2020-08-15 10:54:54 C 22 30 06.607 -18 39 23.27 U F52
2020-08-15 11:11:40 C 22 30 05.901 -18 39 27.50 U F52
2020-08-15 11:28:25 C 22 30 05.204 -18 39 31.69 U F52
2020-08-15 11:45:10 C 22 30 04.498 -18 39 35.87 U F52
2020-08-16 11:23:53 C 22 29 06.265 -18 45 31.39 U F51
2020-08-16 11:40:39 C 22 29 05.551 -18 45 35.57 U F51
2020-08-16 12:14:07 C 22 29 04.122 -18 45 43.97 U F51
2020-08-24 07:25:58 C 22 20 57.15 -19 31 27.0 V G96
2020-08-24 07:35:30 C 22 20 56.74 -19 31 29.0 V G96
2020-08-24 07:44:58 C 22 20 56.28 -19 31 31.1 V G96
2020-08-25 09:38:14 C 22 19 46.313 -19 37 32.92 U F52
2020-08-25 09:53:10 C 22 19 45.612 -19 37 36.33 U F52
2020-08-25 10:08:08 C 22 19 44.914 -19 37 39.89 U F52
2020-08-25 10:23:04 C 22 19 44.219 -19 37 43.23 U F52
2020-09-11 07:14:12 C 22 01 24.405 -20 55 36.92 U F51
2020-09-11 07:30:34 C 22 01 23.675 -20 55 39.34 U F51
2020-09-14 07:41:45 C 21 58 19.940 -21 05 18.42 U F51
2020-09-14 07:58:31 C 21 58 19.217 -21 05 20.51 U F51
2020-09-14 08:15:15 C 21 58 18.495 -21 05 22.61 U F51
2020-09-14 08:32:01 C 21 58 17.779 -21 05 24.72 U F51
2020-09-17 07:20:13 C 21 55 25.618 -21 13 23.10 U F51
2020-09-17 07:39:44 C 21 55 24.823 -21 13 25.14 U F51
2020-09-17 07:59:15 C 21 55 24.028 -21 13 27.22 U F51
2020-10-08 06:27:34 C 21 40 33.788 -21 26 22.82 U F51
2020-10-08 06:44:44 C 21 40 33.457 -21 26 22.09 U F51
2020-10-08 07:01:50 C 21 40 33.121 -21 26 21.10 U F51
2020-10-08 07:18:57 C 21 40 32.793 -21 26 20.37 U F51
2020-10-11 05:24:50 C 21 39 24.712 -21 22 16.37 U F51
2020-10-11 05:44:25 C 21 39 24.407 -21 22 15.01 U F51
2020-10-11 06:04:01 C 21 39 24.098 -21 22 13.80 U F51
2020-10-11 06:23:36 C 21 39 23.797 -21 22 12.42 U F51
2020-11-26 01:21:24 C 21 52 46.33 -17 50 49.6 V G96
2020-11-26 01:28:49 C 21 52 46.61 -17 50 46.7 V G96
2020-11-26 01:36:13 C 21 52 46.85 -17 50 44.0 V G96
2020-11-26 01:43:38 C 21 52 47.11 -17 50 41.5 V G96
2020-12-09 04:55:15 C 22 05 36.560 -16 07 56.09 U F52
2020-12-09 05:11:49 C 22 05 37.294 -16 07 49.96 U F52
2020-12-09 05:28:22 C 22 05 38.040 -16 07 44.36 U F52
2020-12-09 05:44:58 C 22 05 38.780 -16 07 38.82 U F52
2021-01-02 01:32:40 C 22 36 05.45 -12 18 46.7 V G96
2021-01-02 01:38:50 C 22 36 05.85 -12 18 43.8 V G96
2021-01-02 01:45:00 C 22 36 06.15 -12 18 41.9 V G96
2021-01-02 01:51:10 C 22 36 06.56 -12 18 38.1 V G96
2022-04-10 14:24:49 C 16 21 55.614 -23 53 16.48 U F52