IAA RAS IAA Minor Planet Database

2020 HX9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3173263969 ± 1.54e-07
Semi-major axis (a)1.2189351833 AU ± 8.90e-09
Inclination (i)16.18365172° ± 1.49e-05
Long. of Asc. Node (Ω)218.66418860° ± 8.33e-06
Arg. of Perihelion (ω)266.55230121° ± 3.38e-05
Mean Anomaly (M)110.07969305° ± 9.40e-06
Mean Motion (n)0.7323882314°/day ± 8.02e-09
Perihelion dist (q)0.83213487 AU ± 1.88e-07
Aphelion dist (Q)1.60573549 AU ± 1.88e-07
Orbital Period1.34577024 yr ± 1.47e-08
Physical Parameters
H (abs. magnitude)23.38
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.273″
Uncertainty0
Orbit TypeApollo
MOID0.055551 AU
Observations Used47
Oppositions3
Arc Total2011-2024
First Observation Used2011-10-19
Last Observation Used2024-05-01
Observations (50)
Date Type RA Dec Mag Band Observatory
2011-10-19 11:41:06 C 02 45 38.940 +37 20 04.22 – V F51
2011-10-19 11:58:47 C 02 45 39.762 +37 19 32.25 – V F51
2011-10-25 14:17:37 C 02 56 23.267 +31 02 41.31 – V F51
2020-04-28 13:34:06 C 16 42 45.776 -13 50 28.02 – U F51
2020-04-28 13:50:44 C 16 42 42.682 -13 49 20.58 – V F51
2020-04-28 14:07:25 C 16 42 39.636 -13 48 13.89 – U F51
2020-04-29 08:31:03 C 16 39 37.00 -12 35 36.4 – V I52
2020-04-29 08:33:15 C 16 39 36.60 -12 35 28.3 – V I52
2020-04-29 08:37:39 C 16 39 35.80 -12 35 11.3 – V I52
2020-04-29 14:38:33 C 16 38 35.69 -12 10 44.6 – V 474
2020-04-29 14:43:41 C 16 38 34.78 -12 10 24.7 – V 474
2020-04-29 14:48:49 C 16 38 33.94 -12 10 04.5 – V 474
2020-04-29 14:53:56 C 16 38 33.06 -12 09 44.7 – V 474
2020-04-30 07:35:27 C 16 35 51.94 -11 07 08.9 – V I52
2020-04-30 07:38:46 C 16 35 51.34 -11 06 56.6 – V I52
2020-04-30 07:42:04 C 16 35 50.81 -11 06 44.0 – V I52
2020-04-30 10:41:27 C 16 35 22.239 -10 55 20.89 – U F51
2020-04-30 11:03:48 C 16 35 18.375 -10 53 57.95 – U F51
2020-05-01 10:12:44 C 16 31 37.94 -09 29 06.6 – V I52
2020-05-01 10:15:47 C 16 31 37.41 -09 28 54.4 – V I52
2020-05-01 10:18:49 C 16 31 36.93 -09 28 43.9 – V I52
2020-05-01 11:24:39 C 16 31 28.273 -09 24 38.86 – U F51
2020-05-01 11:32:50 C 16 31 26.898 -09 24 09.42 – U F51
2020-05-01 11:36:55 C 16 31 26.209 -09 23 54.81 – U F51
2020-05-01 13:41:11 C 16 31 05.267 -09 16 28.80 – U F51
2020-05-01 14:00:20 C 16 31 02.080 -09 15 20.05 – U F51
2020-05-01 14:19:28 C 16 30 58.871 -09 14 11.27 – U F51
2020-05-03 09:08:29 C 16 24 35.91 -06 47 05.4 – V G96
2020-05-03 09:23:37 C 16 24 33.53 -06 46 15.3 – V G96
2020-05-03 09:31:10 C 16 24 32.37 -06 45 50.6 – V G96
2020-05-04 08:31:24 C 16 21 15.71 -05 31 36.9 – V I52
2020-05-04 08:54:46 C 16 21 12.15 -05 30 23.5 – V I52
2020-05-04 08:59:04 C 16 21 11.41 -05 30 09.7 – V I52
2020-05-04 09:03:22 C 16 21 10.81 -05 29 56.1 – V I52
2020-05-12 08:22:03 C 15 57 45.733 +02 40 18.74 – U F51
2020-05-12 08:40:12 C 15 57 43.656 +02 40 55.55 – U F51
2020-05-12 09:16:50 C 15 57 39.439 +02 42 09.09 – U F51
2020-05-13 07:10:05 C 15 55 22.86 +03 24 39.7 – V I52
2020-05-13 07:14:56 C 15 55 22.30 +03 24 49.1 – V I52
2020-05-13 07:19:47 C 15 55 21.74 +03 24 57.6 – V I52
2020-05-29 12:15:49 C 15 27 26.580 +10 30 03.52 – V F51
2024-04-30 05:02:19 C 10 31 56.327 -02 47 55.82 – V I52
2024-04-30 05:04:40 C 10 31 57.292 -02 47 47.58 – V I52
2024-04-30 05:07:00 C 10 31 58.296 -02 47 40.60 – V I52
2024-04-30 05:09:21 C 10 31 59.315 -02 47 32.89 – V I52
2024-05-01 06:35:36 C 10 42 55.041 -01 29 53.09 – X F51
2024-05-01 07:07:51 C 10 43 07.948 -01 28 18.07 – X F51
2024-05-01 07:23:56 C 10 43 14.392 -01 27 30.72 – X F51
2024-05-12 02:16:41 C 12 04 20.36 +07 11 07.2 – V H21
2024-05-12 02:33:20 C 12 04 24.05 +07 11 26.9 – V H21