IAA RAS IAA Minor Planet Database

2020 UH4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2739029469 ± 9.01e-08
Semi-major axis (a)1.5766684235 AU ± 1.38e-08
Inclination (i)31.73668646° ± 1.42e-05
Long. of Asc. Node (Ω)196.42095718° ± 1.06e-05
Arg. of Perihelion (ω)290.31896019° ± 5.50e-05
Mean Anomaly (M)146.34427204° ± 2.81e-05
Mean Motion (n)0.4978536795°/day ± 6.55e-09
Perihelion dist (q)1.14481430 AU ± 1.42e-07
Aphelion dist (Q)2.00852255 AU ± 1.43e-07
Orbital Period1.97975093 yr ± 2.61e-08
Physical Parameters
H (abs. magnitude)21.54
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.246″
Uncertainty0
Orbit TypeAmor
MOID0.300623 AU
Observations Used47
Oppositions6
Arc Total2012-2025
First Observation Used2012-10-15
Last Observation Used2025-04-03
Observations (47)
Date Type RA Dec Mag Band Observatory
2012-10-15 08:36:22 C 00 52 47.880 +01 43 22.29 – V F51
2012-10-15 08:57:17 C 00 52 46.753 +01 42 38.55 – V F51
2012-10-15 09:18:21 C 00 52 45.619 +01 41 54.19 – V F51
2014-09-29 12:42:10 C 01 46 37.595 +13 00 34.13 – V F51
2014-09-29 12:58:39 C 01 46 37.066 +13 00 06.27 – V F51
2014-09-29 13:15:08 C 01 46 36.548 +12 59 38.14 – V F51
2014-09-29 13:31:35 C 01 46 36.067 +12 59 10.29 – V F51
2014-10-27 09:07:34 C 01 17 43.043 -10 26 53.83 – V F51
2014-10-27 09:26:42 C 01 17 42.045 -10 27 34.38 – V F51
2020-10-20 11:42:11 C 03 42 25.331 -11 56 03.14 – U F51
2020-10-20 12:02:23 C 03 42 25.178 -11 56 57.00 – U F51
2020-10-20 12:42:59 C 03 42 24.874 -11 58 45.60 – U F51
2020-10-22 09:44:53 C 03 42 12.686 -13 59 35.95 – U F51
2020-10-22 10:20:57 C 03 42 12.306 -14 01 14.18 – U F51
2020-10-22 10:39:05 C 03 42 12.115 -14 02 03.16 – U F51
2020-10-23 05:16:13 C 03 42 03.73 -14 52 05.1 – u 807
2020-10-23 05:28:03 C 03 42 03.58 -14 52 36.9 – u 807
2020-10-23 05:39:54 C 03 42 03.45 -14 53 08.9 – u 807
2020-10-23 10:34:01 C 03 42 01.262 -15 06 38.46 – U F51
2020-10-23 10:53:11 C 03 42 01.021 -15 07 30.29 – U F51
2020-10-23 11:12:21 C 03 42 00.767 -15 08 22.11 – U F51
2020-10-23 11:31:33 C 03 42 00.505 -15 09 14.11 – U F51
2020-11-09 06:55:26 C 03 32 41.72 -32 23 44.4 – V 807
2020-11-09 07:04:07 C 03 32 41.37 -32 24 03.8 – V 807
2020-11-09 07:12:41 C 03 32 41.03 -32 24 23.0 – V 807
2020-11-10 06:11:00 C 03 31 51.54 -33 15 35.2 – V 807
2020-11-10 06:19:35 C 03 31 51.18 -33 15 54.0 – V 807
2020-11-10 06:28:11 C 03 31 50.82 -33 16 12.8 – V 807
2020-11-16 05:56:36 C 03 26 13.43 -38 07 06.1 – V 807
2020-11-16 06:05:09 C 03 26 13.04 -38 07 21.7 – V 807
2020-11-16 06:13:39 C 03 26 12.65 -38 07 37.2 – V 807
2020-11-22 04:05:57 C 03 20 18.96 -42 03 39.2 – V 807
2020-11-22 04:16:52 C 03 20 18.45 -42 03 55.8 – V 807
2020-11-22 04:27:27 C 03 20 17.96 -42 04 11.1 – V 807
2021-02-22 02:03:38 C 04 47 36.03 -40 34 47.0 – V 807
2021-02-22 02:20:28 C 04 47 38.17 -40 34 28.7 – V 807
2021-02-22 02:37:18 C 04 47 40.37 -40 34 10.9 – V 807
2021-03-03 01:21:12 C 05 17 34.66 -36 14 06.9 – V 807
2021-03-03 01:29:12 C 05 17 35.78 -36 13 56.2 – V 807
2021-05-13 05:00:26 C 10 05 32.59 +12 54 29.5 – o 291
2021-05-13 05:22:48 C 10 05 35.78 +12 54 47.3 – o 291
2025-01-30 02:53:07 C 05 51 26.190 -64 37 09.80 – V 807
2025-01-30 03:17:11 C 05 51 27.410 -64 37 01.10 – V 807
2025-01-30 03:40:45 C 05 51 28.530 -64 36 52.20 – V 807
2025-04-03 06:55:00 C 09 09 42.854 -15 24 55.70 – X F52
2025-04-03 07:10:39 C 09 09 45.137 -15 24 01.03 – X F52
2025-04-03 07:26:13 C 09 09 47.442 -15 23 05.37 – X F52