IAA RAS IAA Minor Planet Database

2020 HH

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6130172981 ± 2.73e-07
Semi-major axis (a)1.5014151413 AU ± 2.63e-07
Inclination (i)12.35512686° ± 8.48e-06
Long. of Asc. Node (Ω)74.74462003° ± 9.75e-05
Arg. of Perihelion (ω)348.70545603° ± 1.53e-04
Mean Anomaly (M)77.81959616° ± 3.20e-04
Mean Motion (n)0.5357486548°/day ± 1.41e-07
Perihelion dist (q)0.58102169 AU ± 4.22e-07
Aphelion dist (Q)2.42180859 AU ± 5.90e-07
Orbital Period1.83971770 yr ± 4.84e-07
Physical Parameters
H (abs. magnitude)19.99
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.311″
Uncertainty0
Orbit TypeApollo
MOID0.206971 AU
Observations Used55
Oppositions1
Arc Total2020-2022
First Observation Used2020-03-05
Last Observation Used2022-04-03
Observations (55)
Date Type RA Dec Mag Band Observatory
2020-03-05 10:01:25 C 15 13 29.19 +22 28 41.3 – V 703
2020-03-05 10:09:05 C 15 13 28.03 +22 28 47.6 – V 703
2020-03-16 09:51:59 C 14 30 39.70 +24 43 52.4 – V 703
2020-03-16 10:07:03 C 14 30 37.17 +24 43 58.3 – V 703
2020-03-24 09:02:27 C 13 59 24.31 +25 14 44.8 – V 703
2020-04-10 11:40:47 C 13 04 29.099 +23 22 41.39 – V F52
2020-04-10 11:59:40 C 13 04 27.044 +23 22 32.18 – V F52
2020-04-16 06:22:58 C 12 51 30.55 +22 09 17.8 – U I41
2020-04-16 06:54:01 C 12 51 27.90 +22 09 00.0 – U I41
2020-04-16 06:54:40 C 12 51 27.80 +22 08 59.5 – U I41
2020-04-16 06:56:38 C 12 51 27.63 +22 08 58.6 – U I41
2020-04-16 22:51:01 C 12 50 09.33 +21 59 51.9 – V 033
2020-04-16 22:55:56 C 12 50 08.92 +21 59 49.2 – V 033
2020-04-16 23:00:50 C 12 50 08.52 +21 59 46.4 – V 033
2020-04-17 01:52:49 C 12 49 54.27 +21 58 08.2 – V L01
2020-04-17 01:56:47 C 12 49 53.92 +21 58 05.8 – V L01
2020-04-17 01:59:36 C 12 49 53.70 +21 58 03.6 – V L01
2020-04-17 19:47:59 C 12 48 30.12 +21 47 46.6 – V 033
2020-04-17 19:51:09 C 12 48 29.87 +21 47 44.9 – V 033
2020-04-17 19:54:18 C 12 48 29.63 +21 47 43.0 – V 033
2020-04-18 02:05:59 C 12 48 00.10 +21 44 06.0 – V 033
2020-04-18 02:09:09 C 12 47 59.85 +21 44 04.2 – V 033
2020-04-18 02:12:19 C 12 47 59.63 +21 44 02.2 – V 033
2020-04-18 02:15:45 C 12 47 59.36 +21 44 00.6 – V 033
2020-04-18 03:39:19 C 12 47 53.72 +21 43 16.0 – V 734
2020-04-18 03:46:12 C 12 47 53.22 +21 43 11.9 – V 734
2020-04-18 03:59:56 C 12 47 52.22 +21 43 03.1 – V 734
2020-04-18 04:27:43 C 12 47 49.80 +21 42 47.0 – u H21
2020-04-18 04:39:24 C 12 47 48.89 +21 42 40.5 – u H21
2020-04-18 10:53:58 C 12 47 20.059 +21 39 04.92 – U F51
2020-04-18 11:13:39 C 12 47 18.507 +21 38 53.13 – U F51
2020-04-18 11:33:31 C 12 47 16.946 +21 38 41.43 – U F51
2020-04-19 06:30:19 C 12 45 53.10 +21 27 29.3 – V G96
2020-04-19 06:37:47 C 12 45 52.46 +21 27 25.0 – V G96
2020-04-19 06:45:13 C 12 45 51.95 +21 27 20.4 – V G96
2020-04-19 06:52:41 C 12 45 51.40 +21 27 16.1 – V G96
2020-04-26 08:56:45 C 12 35 26.76 +19 42 45.2 – V V06
2020-04-26 09:00:25 C 12 35 26.64 +19 42 43.6 – V V06
2020-04-26 09:04:06 C 12 35 26.35 +19 42 40.6 – V V06
2020-04-26 09:07:46 C 12 35 26.13 +19 42 38.0 – V V06
2021-07-12 23:56:35 C 20 54 40.51 -41 59 51.9 – V L81
2021-07-13 00:14:26 C 20 54 39.27 -42 00 20.6 – V L81
2021-07-14 19:26:23 C 20 51 41.17 -43 11 40.1 – V L81
2021-07-14 20:00:50 C 20 51 38.53 -43 12 39.1 – V L81
2021-07-15 08:10:41 C 20 50 41.06 -43 33 22.1 – u 807
2021-07-15 08:15:25 C 20 50 40.71 -43 33 30.3 – u 807
2021-07-15 08:20:06 C 20 50 40.30 -43 33 38.2 – u 807
2021-07-17 10:38:52 C 20 46 27.676 -45 01 51.97 – U F51
2021-07-17 10:52:44 C 20 46 26.318 -45 02 16.85 – U F51
2021-07-17 11:06:34 C 20 46 24.959 -45 02 41.76 – U F51