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
2009-01-16 02:45:29 C 04 01 01.25 +42 27 21.8 15.8 c 704
2009-01-16 03:03:38 C 04 01 03.62 +42 27 29.7 15.8 c 704
2009-01-22 21:05:24 C 04 25 43.88 +43 25 04.0 16.3 r C20
2009-01-22 21:07:31 C 04 25 44.22 +43 25 04.5 16.3 r C20
2009-01-28 21:39:19 C 04 50 34.87 +43 49 12.7 16.0 r C20
2009-01-29 19:16:39 C 04 54 29.08 +43 50 29.4 15.1 r C20
2009-01-29 19:18:46 C 04 54 29.40 +43 50 29.4 15.1 r C20
2009-01-30 20:11:04 C 04 59 00.35 +43 51 02.0 15.9 r C20
2009-01-30 20:13:12 C 04 59 00.72 +43 51 01.9 16.0 r C20
2009-01-31 17:57:21 C 05 03 01.02 +43 50 45.2 16.3 r 084
2009-01-31 18:00:33 C 05 03 01.56 +43 50 45.3 16.4 r 084
2009-02-01 23:00:53 C 05 08 22.14 +43 49 27.8 r B67
2009-02-01 23:17:06 C 05 08 25.05 +43 49 26.5 r B67
2009-02-01 23:34:04 C 05 08 28.12 +43 49 24.3 r B67
2009-02-03 03:43:16 C 05 13 44.04 +43 47 08.4 16.1 c 704
2009-02-03 04:00:39 C 05 13 47.15 +43 47 06.3 16.5 c 704
2009-02-03 04:18:04 C 05 13 50.31 +43 47 04.0 16.6 c 704
2009-02-03 04:35:28 C 05 13 53.38 +43 47 01.7 16.7 c 704
2009-02-03 04:52:52 C 05 13 56.50 +43 46 59.5 16.6 c 704
2009-02-03 21:53:26 C 05 17 06.96 +43 44 47.4 16.2 r C20
2009-02-03 21:55:33 C 05 17 07.36 +43 44 47.0 16.2 r C20
2009-02-03 22:56:57 C 05 17 19.26 +43 44 34.3 16.2 r 084
2009-02-04 03:28:39 C 05 18 10.56 +43 43 49.2 15.9 r 084
2009-02-04 20:07:17 C 05 21 18.61 +43 41 30.8 16.8 r 084
2009-02-08 16:21:54 C 05 38 45.89 +43 20 45.0 16.3 r C20
2009-02-14 03:44:24 C 06 03 28.46 +42 31 47.4 16.2 c 704
2009-02-14 04:01:01 C 06 03 31.43 +42 31 39.7 16.3 c 704
2009-02-14 04:17:41 C 06 03 34.42 +42 31 31.9 16.5 c 704
2009-02-14 04:34:20 C 06 03 37.42 +42 31 23.7 16.6 c 704
2009-02-14 04:50:59 C 06 03 40.43 +42 31 15.8 16.7 c 704
2009-02-14 23:51:07 C 06 07 11.56 +42 22 14.4 o B75
2009-02-14 23:52:30 C 06 07 11.79 +42 22 13.6 o B75
2009-02-14 23:53:39 C 06 07 12.02 +42 22 13.4 o B75
2009-02-16 20:51:03 C 06 15 30.04 +41 59 39.2 c A53
2009-02-16 21:06:18 C 06 15 32.76 +41 59 31.1 c A53
2009-02-16 21:22:05 C 06 15 35.56 +41 59 22.5 c A53
2009-02-16 21:40:52 C 06 15 39.12 +41 59 17.3 r J53
2009-02-16 21:43:12 C 06 15 39.62 +41 59 14.2 r J53
2009-02-16 21:44:41 C 06 15 39.94 +41 59 13.3 r J53
2009-02-18 22:59:22 C 06 24 36.52 +41 31 47.1 r 203
2009-02-18 23:26:07 C 06 24 41.24 +41 31 30.6 r 203
2009-02-19 16:41:43 C 06 27 48.88 +41 21 18.2 16.1 r 084
2009-02-19 20:28:35 C 06 28 29.24 +41 19 09.5 r J27
2009-02-19 20:37:58 C 06 28 30.86 +41 19 03.8 r J27
2009-02-19 20:47:36 C 06 28 32.54 +41 18 58.0 r J27
2009-02-19 21:56:28 C 06 28 44.53 +41 18 17.0 r J53
2009-02-19 22:00:00 C 06 28 45.13 +41 18 14.8 r J53
2009-02-19 22:02:21 C 06 28 45.53 +41 18 13.2 r J53
2009-02-19 22:34:24 C 06 28 50.88 +41 17 49.9 r 203
2009-02-19 23:00:07 C 06 28 55.37 +41 17 33.4 r 203