IAA RAS IAA Minor Planet Database

2020 HR9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5918343802 ± 1.09e-05
Semi-major axis (a)2.6364016279 AU ± 6.72e-05
Inclination (i)3.62232356° ± 4.53e-05
Long. of Asc. Node (Ω)168.02000681° ± 1.51e-04
Arg. of Perihelion (ω)45.94476349° ± 1.87e-04
Mean Anomaly (M)107.54027862° ± 1.82e-02
Mean Motion (n)0.2302474979°/day ± 8.80e-06
Perihelion dist (q)1.07608850 AU ± 3.96e-05
Aphelion dist (Q)4.19671475 AU ± 1.11e-04
Orbital Period4.28072527 yr ± 1.64e-04
Physical Parameters
H (abs. magnitude)24.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.204″
Uncertainty2
Orbit TypeAmor
MOID0.084205 AU
Observations Used49
Oppositions1
Arc Total2020-2020
First Observation Used2020-03-22
Last Observation Used2020-06-15
Observations (49)
Date Type RA Dec Mag Band Observatory
2020-03-22 07:18:47 C 10 12 57.204 +14 17 50.48 – V F51
2020-03-22 07:35:33 C 10 12 57.576 +14 18 04.63 – V F51
2020-03-22 07:52:26 C 10 12 57.953 +14 18 18.71 – V F51
2020-03-22 08:09:27 C 10 12 58.317 +14 18 32.95 – V F51
2020-04-28 06:08:10 C 12 45 55.92 +24 36 01.6 – V G96
2020-04-28 06:15:38 C 12 45 58.50 +24 35 59.5 – V G96
2020-04-28 06:23:04 C 12 46 01.00 +24 35 57.7 – V G96
2020-04-28 06:30:30 C 12 46 03.52 +24 35 55.4 – V G96
2020-04-28 09:04:47 C 12 46 56.42 +24 35 03.9 – V I52
2020-04-28 09:08:54 C 12 46 57.82 +24 35 02.7 – V I52
2020-04-28 09:13:01 C 12 46 59.24 +24 35 00.9 – V I52
2020-04-28 09:17:08 C 12 47 00.67 +24 34 59.3 – V I52
2020-04-29 03:27:34 C 12 53 44.38 +24 29 05.8 – V V06
2020-04-29 03:32:07 C 12 53 46.02 +24 29 04.5 – V V06
2020-04-29 03:36:41 C 12 53 47.52 +24 29 03.2 – V V06
2020-04-29 03:41:15 C 12 53 49.12 +24 29 01.6 – V V06
2020-04-30 03:56:11 C 13 02 46.87 +24 18 10.2 – V V06
2020-04-30 03:59:36 C 13 02 48.09 +24 18 08.5 – V V06
2020-04-30 04:03:01 C 13 02 49.26 +24 18 06.7 – V V06
2020-05-01 03:08:04 C 13 11 27.82 +24 04 31.5 – u H21
2020-05-01 03:16:26 C 13 11 30.80 +24 04 26.7 – u H21
2020-05-01 03:21:36 C 13 11 32.67 +24 04 23.5 – u H21
2020-05-15 07:32:30 C 15 12 13.18 +15 51 26.5 – V I52
2020-05-15 07:33:34 C 15 12 13.47 +15 51 24.4 – V G96
2020-05-15 07:40:24 C 15 12 15.32 +15 51 11.0 – V G96
2020-05-15 07:40:29 C 15 12 15.36 +15 51 10.5 – V I52
2020-05-15 07:47:14 C 15 12 17.23 +15 50 57.4 – V G96
2020-05-15 07:48:30 C 15 12 17.57 +15 50 55.2 – V I52
2020-05-15 07:54:05 C 15 12 19.12 +15 50 44.1 – V G96
2020-05-15 07:56:29 C 15 12 19.79 +15 50 39.4 – V I52
2020-05-20 08:22:25 C 15 44 16.25 +11 54 10.2 – V G96
2020-05-20 08:36:49 C 15 44 19.41 +11 53 42.1 – V G96
2020-05-20 08:43:39 C 15 44 20.94 +11 53 28.8 – V G96
2020-05-20 08:50:28 C 15 44 22.42 +11 53 15.3 – V G96
2020-05-20 11:35:41 C 15 45 01.512 +11 48 06.85 – U F51
2020-05-20 11:52:10 C 15 45 05.090 +11 47 34.41 – U F51
2020-05-20 12:08:33 C 15 45 08.664 +11 47 02.35 – U F51
2020-05-26 09:55:52 C 16 14 09.600 +07 21 45.93 – U F51
2020-05-26 10:13:13 C 16 14 12.376 +07 21 15.41 – U F51
2020-05-26 10:30:38 C 16 14 15.148 +07 20 44.38 – U F51
2020-06-10 09:37:17 C 16 58 59.50 -01 38 36.7 – V V06
2020-06-10 09:56:09 C 16 59 00.94 -01 39 00.1 – V V06
2020-06-10 10:23:00 C 16 59 03.06 -01 39 33.3 – V V06
2020-06-12 04:47:04 C 17 02 34.58 -02 30 58.8 – u H21
2020-06-12 04:55:49 C 17 02 35.22 -02 31 09.4 – u H21
2020-06-12 05:07:48 C 17 02 36.06 -02 31 23.4 – u H21
2020-06-15 05:27:50 C 17 07 58.73 -03 53 57.3 – u H21
2020-06-15 05:40:35 C 17 07 59.51 -03 54 11.2 – u H21
2020-06-15 05:47:42 C 17 07 59.95 -03 54 18.8 – u H21