IAA RAS IAA Minor Planet Database

2020 HT9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5378658493 ± 3.46e-08
Semi-major axis (a)1.8676567120 AU ± 1.37e-08
Inclination (i)8.60223722° ± 8.51e-06
Long. of Asc. Node (Ω)157.76638464° ± 1.07e-04
Arg. of Perihelion (ω)158.83576591° ± 1.00e-04
Mean Anomaly (M)27.50194380° ± 7.18e-06
Mean Motion (n)0.3861594762°/day ± 4.25e-09
Perihelion dist (q)0.86310795 AU ± 6.49e-08
Aphelion dist (Q)2.87220548 AU ± 6.79e-08
Orbital Period2.55238145 yr ± 2.81e-08
Physical Parameters
H (abs. magnitude)21.91
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.286″
Uncertainty0
Orbit TypeApollo
MOID0.072403 AU
Observations Used63
Oppositions3
Arc Total2020-2025
First Observation Used2020-04-23
Last Observation Used2025-11-11
Observations (64)
Date Type RA Dec Mag Band Observatory
2020-04-23 09:20:28 C 14 45 16.926 +06 35 59.78 – V F52
2020-04-23 09:35:37 C 14 45 16.231 +06 36 17.78 – V F52
2020-04-23 09:50:46 C 14 45 15.531 +06 36 35.77 – V F52
2020-04-28 12:06:12 C 14 39 18.576 +09 06 51.12 – U F51
2020-04-28 12:23:12 C 14 39 17.584 +09 07 12.17 – U F51
2020-04-28 12:40:10 C 14 39 16.596 +09 07 33.60 – U F51
2020-04-28 12:57:09 C 14 39 15.614 +09 07 55.32 – U F51
2020-04-29 05:04:13 C 14 38 24.24 +09 28 22.8 – V V06
2020-04-29 05:09:09 C 14 38 23.97 +09 28 28.6 – V V06
2020-04-29 05:14:03 C 14 38 23.66 +09 28 34.6 – V V06
2020-04-29 05:18:59 C 14 38 23.38 +09 28 40.9 – V V06
2020-04-29 11:11:53 C 14 38 03.007 +09 36 16.61 – V F51
2020-04-30 05:44:41 C 14 37 00.90 +10 00 03.2 – V V06
2020-04-30 05:48:07 C 14 37 00.67 +10 00 07.0 – V V06
2020-04-30 05:51:31 C 14 37 00.46 +10 00 12.2 – V V06
2020-04-30 10:38:24 C 14 36 43.554 +10 06 25.97 – V F51
2020-04-30 10:45:53 C 14 36 43.108 +10 06 35.43 – V F51
2020-04-30 10:53:21 C 14 36 42.626 +10 06 45.31 – V F51
2020-04-30 11:00:44 C 14 36 42.155 +10 06 55.12 – V F51
2020-05-01 06:44:47 C 14 35 32.99 +10 32 25.0 – u H21
2020-05-01 06:53:32 C 14 35 32.44 +10 32 36.4 – u H21
2020-05-01 06:57:20 C 14 35 32.20 +10 32 41.2 – u H21
2020-05-12 06:42:20 C 14 17 26.170 +16 25 06.16 – U F51
2020-05-12 07:01:51 C 14 17 24.582 +16 25 32.72 – U F51
2020-05-12 07:21:57 C 14 17 22.923 +16 26 00.08 – U F51
2020-05-12 07:41:19 C 14 17 21.307 +16 26 26.21 – U F51
2020-05-19 07:08:34 C 14 03 44.27 +20 07 42.1 – V G96
2020-05-19 07:16:09 C 14 03 43.57 +20 07 52.2 – V G96
2020-05-19 07:23:43 C 14 03 42.94 +20 08 01.5 – V G96
2020-05-19 07:31:17 C 14 03 42.23 +20 08 12.0 – V G96
2020-06-09 07:14:59 C 13 19 41.68 +29 44 53.7 – V V06
2020-06-09 07:17:44 C 13 19 41.44 +29 44 56.3 – V V06
2020-06-09 07:20:29 C 13 19 41.16 +29 44 59.5 – V V06
2020-06-09 07:23:13 C 13 19 40.90 +29 45 01.9 – V V06
2020-06-12 04:44:29 C 13 13 27.61 +30 55 59.1 – V G96
2020-06-12 04:45:08 C 13 13 27.56 +30 55 59.5 – V G96
2020-06-12 04:51:58 C 13 13 26.82 +30 56 06.3 – V G96
2020-06-12 04:52:38 C 13 13 26.77 +30 56 06.6 – V G96
2020-06-12 04:59:27 C 13 13 26.12 +30 56 13.5 – V G96
2020-06-12 05:00:07 C 13 13 26.04 +30 56 14.2 – V G96
2020-06-12 05:06:57 C 13 13 25.42 +30 56 21.1 – V G96
2020-06-12 05:07:37 C 13 13 25.29 +30 56 21.2 – V G96
2020-06-14 06:39:35 C 13 08 51.33 +31 46 44.1 – V V06
2020-06-14 06:44:43 C 13 08 50.83 +31 46 49.3 – V V06
2020-06-14 06:47:16 C 13 08 50.56 +31 46 51.6 – V V06
2020-06-16 06:30:27 C 13 04 20.25 +32 35 41.9 – V V06
2020-06-16 06:33:01 C 13 04 20.00 +32 35 44.2 – V V06
2020-06-16 06:35:34 C 13 04 19.72 +32 35 46.6 – V V06
2020-06-16 06:38:07 C 13 04 19.47 +32 35 49.2 – V V06
2020-11-07 07:40:48 C 05 07 43.74 -00 49 16.1 – V 807