IAA RAS IAA Minor Planet Database

2021 UP20

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4105175056 ± 3.15e-05
Semi-major axis (a)1.5697436798 AU ± 7.92e-05
Inclination (i)14.80429388° ± 9.17e-04
Long. of Asc. Node (Ω)52.61674620° ± 1.38e-04
Arg. of Perihelion (ω)54.99936351° ± 1.17e-04
Mean Anomaly (M)351.00892378° ± 5.49e-02
Mean Motion (n)0.5011516464°/day ± 3.79e-05
Perihelion dist (q)0.92533642 AU ± 6.80e-05
Aphelion dist (Q)2.21415094 AU ± 1.22e-04
Orbital Period1.96672263 yr ± 1.49e-04
Physical Parameters
H (abs. magnitude)24.22
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.243″
Uncertainty2
Orbit TypeApollo
MOID0.047050 AU
Observations Used44
Oppositions1
Arc Total2021-2021
First Observation Used2021-10-14
Last Observation Used2021-11-21
Observations (44)
Date Type RA Dec Mag Band Observatory
2021-10-14 13:31:54 C 03 07 05.755 -15 07 06.08 – V F51
2021-10-14 13:47:45 C 03 07 05.490 -15 07 05.15 – V F51
2021-10-14 14:03:37 C 03 07 05.248 -15 07 04.17 – V F51
2021-10-24 09:47:50 C 03 01 35.059 -14 11 48.14 – V F52
2021-10-27 10:54:24 C 02 58 04.477 -13 28 10.88 – V F52
2021-10-27 11:13:40 C 02 58 03.191 -13 27 57.05 – V F52
2021-10-27 11:33:03 C 02 58 01.827 -13 27 43.10 – V F52
2021-10-27 11:52:25 C 02 58 00.500 -13 27 29.17 – V F52
2021-10-29 08:42:03 C 02 55 20.781 -12 51 06.76 – U F51
2021-10-29 09:41:22 C 02 55 16.204 -12 50 13.94 – U F51
2021-11-11 05:57:01 C 02 18 14.21 -02 17 41.9 – V G96
2021-11-11 06:04:31 C 02 18 12.55 -02 17 12.7 – V G96
2021-11-11 06:12:01 C 02 18 10.90 -02 16 42.8 – V G96
2021-11-11 06:19:30 C 02 18 09.22 -02 16 14.0 – V G96
2021-11-11 07:25:29 C 02 17 54.53 -02 11 55.8 – V I52
2021-11-11 07:27:37 C 02 17 54.03 -02 11 47.3 – V I52
2021-11-11 07:29:46 C 02 17 53.57 -02 11 39.0 – V I52
2021-11-11 07:31:54 C 02 17 53.09 -02 11 30.4 – V I52
2021-11-11 08:28:12 C 02 17 44.326 -02 07 33.54 – U F51
2021-11-11 08:46:28 C 02 17 40.188 -02 06 21.48 – U F51
2021-11-11 08:55:27 C 02 17 34.59 -02 06 00.9 – V I52
2021-11-11 08:57:35 C 02 17 34.05 -02 05 52.3 – V I52
2021-11-11 08:59:44 C 02 17 33.62 -02 05 44.0 – V I52
2021-11-11 09:01:52 C 02 17 33.14 -02 05 35.5 – V I52
2021-11-11 09:04:53 C 02 17 36.004 -02 05 08.70 – U F51
2021-11-11 09:23:14 C 02 17 31.826 -02 03 55.96 – U F51
2021-11-11 16:08:36 C 02 16 05.33 -01 37 02.2 – r P93
2021-11-11 16:11:28 C 02 16 04.65 -01 36 49.2 – r P93
2021-11-11 16:14:22 C 02 16 04.01 -01 36 37.5 – r P93
2021-11-13 03:51:37 C 02 08 05.57 +01 02 33.9 – V I52
2021-11-13 03:52:13 C 02 08 05.39 +01 02 37.4 – V I52
2021-11-13 03:52:50 C 02 08 05.25 +01 02 40.3 – V I52
2021-11-13 03:53:26 C 02 08 05.08 +01 02 43.4 – V I52
2021-11-14 03:41:10 C 02 01 58.52 +03 05 17.6 – V G96
2021-11-14 03:49:25 C 02 01 56.13 +03 06 02.6 – V G96
2021-11-14 03:57:38 C 02 01 53.75 +03 06 47.6 – V G96
2021-11-14 04:05:50 C 02 01 51.33 +03 07 32.4 – V G96
2021-11-20 06:06:08 C 01 04 23.736 +21 49 10.98 – U F51
2021-11-20 06:21:04 C 01 04 14.797 +21 51 41.19 – U F51
2021-11-20 06:36:05 C 01 04 05.778 +21 54 12.25 – U F51
2021-11-20 06:51:19 C 01 03 56.566 +21 56 45.99 – U F51
2021-11-21 04:45:14 C 00 50 45.95 +25 41 41.1 – V 290
2021-11-21 04:54:40 C 00 50 39.58 +25 43 20.0 – V 290
2021-11-21 05:03:50 C 00 50 33.38 +25 44 56.4 – V 290