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
2020-04-27 09:50:49 C 16 23 52.72 -16 05 24.5 V G96
2020-04-27 09:58:10 C 16 23 51.91 -16 05 20.9 V G96
2020-04-28 13:08:06 C 16 20 55.770 -15 51 50.56 V F51
2020-04-28 13:24:51 C 16 20 53.562 -15 51 41.43 U F51
2020-04-28 13:41:30 C 16 20 51.346 -15 51 32.44 U F51
2020-04-29 07:58:35 C 16 18 41.45 -15 41 46.8 V I52
2020-04-29 08:01:15 C 16 18 41.06 -15 41 45.5 V I52
2020-04-29 08:02:21 C 16 18 40.89 -15 41 44.7 V I52
2020-04-29 08:05:02 C 16 18 40.49 -15 41 43.6 V I52
2020-04-29 10:48:29 C 16 18 20.155 -15 39 59.43 U F51
2020-04-29 11:03:21 C 16 18 17.979 -15 39 51.35 U F51
2020-04-29 11:18:20 C 16 18 15.782 -15 39 43.00 U F51
2020-04-29 14:17:26 C 16 17 51.70 -15 36 48.2 V 474
2020-04-29 14:22:30 C 16 17 50.97 -15 36 45.1 V 474
2020-04-29 14:27:34 C 16 17 50.21 -15 36 42.2 V 474
2020-04-30 02:10:45 C 16 16 14.55 -15 31 12.5 V L01
2020-04-30 02:14:09 C 16 16 14.12 -15 31 09.6 V L01
2020-04-30 02:17:32 C 16 16 13.56 -15 31 07.7 V L01
2020-04-30 07:13:47 C 16 15 35.34 -15 27 53.8 V I52
2020-04-30 07:22:27 C 16 15 33.97 -15 27 48.3 V I52
2020-04-30 07:28:45 C 16 15 32.96 -15 27 44.7 V I52
2020-04-30 07:33:14 C 16 15 32.27 -15 27 42.0 V I52
2020-04-30 10:42:23 C 16 15 05.248 -15 25 31.49 U F51
2020-04-30 10:49:49 C 16 15 04.046 -15 25 27.02 U F51
2020-04-30 10:57:16 C 16 15 02.828 -15 25 22.34 U F51
2020-04-30 11:04:44 C 16 15 01.605 -15 25 17.80 U F51
2020-05-01 13:11:32 C 16 10 57.496 -15 07 28.77 U F51
2020-05-01 13:30:40 C 16 10 53.978 -15 07 14.30 U F51
2020-05-01 13:49:47 C 16 10 50.462 -15 06 59.76 U F51
2020-05-02 08:03:23 C 16 07 45.10 -14 53 19.6 V G96
2020-05-02 08:12:40 C 16 07 43.22 -14 53 12.1 V G96
2020-05-02 08:20:16 C 16 07 41.71 -14 53 06.5 V G96
2020-05-02 08:27:51 C 16 07 40.20 -14 53 00.7 V G96
2020-05-03 09:38:10 C 16 02 47.53 -14 31 30.6 V I52
2020-05-03 09:39:47 C 16 02 47.12 -14 31 29.2 V I52
2020-05-04 06:13:20 C 15 58 22.29 -14 11 46.8 u H21
2020-05-04 06:16:10 C 15 58 21.60 -14 11 43.8 u H21
2020-05-04 06:19:06 C 15 58 20.85 -14 11 41.0 u H21
2020-05-04 06:22:02 C 15 58 20.13 -14 11 38.1 u H21
2020-05-04 06:24:58 C 15 58 19.41 -14 11 35.1 u H21
2020-05-04 06:27:54 C 15 58 18.69 -14 11 32.0 u H21
2020-05-04 06:30:49 C 15 58 17.95 -14 11 29.1 u H21
2020-05-04 06:33:45 C 15 58 17.24 -14 11 26.0 u H21
2020-05-04 06:36:58 C 15 58 16.43 -14 11 22.6 u H21
2020-05-09 04:32:06 C 15 20 31.77 -11 14 44.9 V 734
2020-05-09 04:34:54 C 15 20 30.50 -11 14 38.6 V 734
2020-05-09 04:37:38 C 15 20 29.19 -11 14 32.7 V 734
2020-05-09 04:40:28 C 15 20 27.93 -11 14 27.2 V 734
2020-05-09 04:43:10 C 15 20 26.66 -11 14 21.5 V 734
2020-05-09 05:13:05 C 15 20 11.82 -11 13 19.0 u H21