IAA RAS IAA Minor Planet Database

2020 HG9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4185119326 ± 1.05e-06
Semi-major axis (a)0.8643292142 AU ± 9.71e-09
Inclination (i)1.73737401° ± 7.17e-06
Long. of Asc. Node (Ω)64.41088883° ± 3.03e-05
Arg. of Perihelion (ω)308.95336567° ± 2.82e-05
Mean Anomaly (M)212.50658044° ± 9.18e-05
Mean Motion (n)1.2265732460°/day ± 2.07e-08
Perihelion dist (q)0.50259712 AU ± 9.04e-07
Aphelion dist (Q)1.22606130 AU ± 9.04e-07
Orbital Period0.80356089 yr ± 1.35e-08
Physical Parameters
H (abs. magnitude)23.38
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.246″
Uncertainty0
Orbit TypeAten
MOID0.003205 AU
Observations Used185
Oppositions1
Arc Total2020-2024
First Observation Used2020-04-27
Last Observation Used2024-05-06
Observations (200)
Date Type RA Dec Mag Band Observatory
2020-05-14 04:48:10 C 14 02 15.60 -04 17 45.7 – V I52
2020-05-14 04:48:22 C 14 02 15.41 -04 17 44.7 – V I52
2020-05-14 04:56:56 C 14 02 07.15 -04 17 00.0 – V G96
2020-05-14 05:02:53 C 14 02 02.70 -04 16 34.0 – V U71
2020-05-14 05:05:02 C 14 01 59.33 -04 16 17.8 – V G96
2020-05-14 05:07:33 C 14 01 58.18 -04 16 09.6 – V U71
2020-05-14 05:13:07 C 14 01 51.51 -04 15 35.7 – V G96
2020-05-14 05:21:13 C 14 01 43.65 -04 14 53.3 – V G96
2020-05-14 07:45:02 C 13 59 23.77 -04 02 14.9 – V 703
2020-05-14 07:52:32 C 13 59 16.44 -04 01 34.5 – V 703
2020-05-14 08:00:02 C 13 59 09.16 -04 00 54.4 – V 703
2020-05-14 08:07:32 C 13 59 01.83 -04 00 14.0 – V 703
2020-05-15 02:09:13 C 13 41 23.17 -02 18 33.4 – q W33
2020-05-15 02:11:43 C 13 41 20.45 -02 18 19.0 – q W33
2020-05-15 02:13:43 C 13 41 18.24 -02 18 07.5 – q W33
2020-05-15 09:53:40 C 13 33 02.27 -01 30 32.4 – V T08
2020-05-15 10:01:38 C 13 32 53.25 -01 29 42.6 – V T08
2020-05-15 10:12:56 C 13 32 40.50 -01 28 32.0 – V T08
2020-05-15 10:17:37 C 13 32 35.18 -01 28 02.5 – V T08
2020-05-15 22:18:40 C 13 19 14.57 -00 11 56.2 – V Z80
2020-05-15 22:24:15 C 13 19 07.87 -00 11 18.2 – V Z80
2020-05-15 22:30:55 C 13 18 59.93 -00 10 34.9 – V Z80
2020-05-16 03:54:00 C 13 12 48.03 +00 26 09.8 – V V01
2020-05-16 04:45:08 C 13 11 45.26 +00 31 59.7 – V V01
2020-05-16 05:36:43 C 13 10 41.61 +00 37 53.3 – V V01
2020-05-16 06:23:21 C 13 09 43.99 +00 43 12.6 – V V01
2020-05-16 08:44:11 C 13 06 56.038 +01 00 30.36 – U F52
2020-05-16 08:48:11 C 13 06 44.07 +01 00 19.1 – V I52
2020-05-16 08:51:59 C 13 06 39.37 +01 00 45.5 – V I52
2020-05-16 08:55:46 C 13 06 34.70 +01 01 11.9 – V I52
2020-05-16 08:59:34 C 13 06 30.00 +01 01 38.3 – V I52
2020-05-16 09:00:30 C 13 06 35.440 +01 02 23.96 – U F52
2020-05-16 09:16:43 C 13 06 14.986 +01 04 16.84 – U F52
2020-05-16 09:32:53 C 13 05 54.586 +01 06 09.54 – U F52
2020-05-16 21:07:18 C 12 51 38.23 +02 27 06.5 – V 033
2020-05-16 21:07:48 C 12 51 37.58 +02 27 10.2 – V 033
2020-05-16 21:08:18 C 12 51 36.90 +02 27 14.0 – V 033
2020-05-17 06:08:00 C 12 39 58.70 +03 34 06.0 – V 703
2020-05-17 06:16:10 C 12 39 47.67 +03 35 06.1 – V 703
2020-05-17 06:24:19 C 12 39 36.59 +03 36 06.8 – V 703
2020-05-17 06:32:28 C 12 39 25.64 +03 37 06.8 – V 703
2020-05-17 20:41:38 C 12 20 36.67 +05 22 15.0 – V 246
2020-05-17 20:41:53 C 12 20 36.29 +05 22 17.3 – V 246
2020-05-17 20:42:43 C 12 20 35.14 +05 22 23.4 – V 246
2020-05-17 20:42:55 C 12 20 34.87 +05 22 24.9 – V 246
2020-05-17 20:43:42 C 12 20 33.76 +05 22 30.9 – V 246
2020-05-17 20:43:54 C 12 20 33.45 +05 22 32.6 – V 246
2020-05-17 20:44:08 C 12 20 33.14 +05 22 33.8 – V 246
2020-05-17 20:44:42 C 12 20 32.35 +05 22 38.0 – V 246
2020-05-18 04:00:29 C 12 10 38.03 +06 18 10.0 – V I52