IAA RAS IAA Minor Planet Database

2021 UC2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3368067588 ± 4.90e-05
Semi-major axis (a)1.4144248967 AU ± 9.33e-05
Inclination (i)4.05236428° ± 4.77e-04
Long. of Asc. Node (Ω)218.87284301° ± 6.92e-05
Arg. of Perihelion (ω)132.91311469° ± 5.61e-04
Mean Anomaly (M)171.02661461° ± 8.83e-02
Mean Motion (n)0.5859255520°/day ± 5.80e-05
Perihelion dist (q)0.93803703 AU ± 9.29e-05
Aphelion dist (Q)1.89081276 AU ± 1.43e-04
Orbital Period1.68216983 yr ± 1.66e-04
Physical Parameters
H (abs. magnitude)27.56
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.245″
Uncertainty2
Orbit TypeApollo
MOID0.008497 AU
Observations Used48
Oppositions1
Arc Total2021-2021
First Observation Used2021-10-27
Last Observation Used2021-11-01
Observations (49)
Date Type RA Dec Mag Band Observatory
2021-10-27 09:52:27 C 02 38 22.30 +46 47 39.7 – V V00
2021-10-27 09:59:27 C 02 38 34.11 +46 43 41.8 – V V00
2021-10-27 10:06:28 C 02 38 45.95 +46 39 43.0 – V V00
2021-10-27 10:13:27 C 02 38 57.68 +46 35 46.1 – V V00
2021-10-27 11:10:53 C 02 40 33.12 +46 03 12.6 – V I52
2021-10-27 11:13:01 C 02 40 36.63 +46 02 01.0 – V I52
2021-10-27 11:54:46 C 02 41 45.73 +45 38 38.5 – V I52
2021-10-27 11:55:50 C 02 41 47.49 +45 38 03.0 – V I52
2021-10-27 11:56:54 C 02 41 49.26 +45 37 27.2 – V I52
2021-10-27 17:30:29 C 02 50 59.84 +42 51 13.7 – r P93
2021-10-27 17:35:10 C 02 51 05.67 +42 48 54.8 – r P93
2021-10-27 17:42:08 C 02 51 14.21 +42 45 27.5 – r P93
2021-10-27 20:07:16 C 02 55 35.77 +41 33 50.7 – V B49
2021-10-27 20:11:09 C 02 55 40.53 +41 32 07.8 – V B49
2021-10-27 20:11:13 C 02 55 40.52 +41 32 07.3 – V B49
2021-10-27 20:36:56 C 02 56 10.71 +41 20 18.4 – X 958
2021-10-27 20:43:18 C 02 56 18.17 +41 17 32.1 – X 958
2021-10-27 20:49:52 C 02 56 25.74 +41 14 40.9 – X 958
2021-10-27 21:58:45 C 02 57 35.08 +40 45 23.9 – V 104
2021-10-27 22:18:33 C 02 57 55.81 +40 36 49.3 – V 104
2021-10-27 23:39:55 C 02 59 15.27 +40 01 27.4 – V L01
2021-10-27 23:41:38 C 02 59 17.00 +40 00 42.5 – V L01
2021-10-27 23:43:21 C 02 59 18.70 +39 59 57.9 – V L01
2021-10-27 23:45:04 C 02 59 20.34 +39 59 13.4 – V L01
2021-10-27 23:46:47 C 02 59 22.03 +39 58 29.0 – V L01
2021-10-27 23:49:20 C 02 59 27.90 +39 57 17.1 – V 204
2021-10-27 23:57:53 C 02 59 36.19 +39 53 37.0 – V 204
2021-10-28 00:06:41 C 02 59 44.73 +39 49 50.8 – V 204
2021-10-28 04:51:24 C 03 05 16.56 +37 53 49.9 – V I52
2021-10-28 04:53:19 C 03 05 18.17 +37 53 06.6 – V I52
2021-10-28 04:53:41 C 03 05 18.51 +37 52 58.5 – V I52
2021-10-28 04:54:04 C 03 05 18.79 +37 52 49.8 – V I52
2021-10-29 02:26:16 C 03 20 19.75 +30 50 42.6 – V 033
2021-10-29 02:26:45 C 03 20 19.98 +30 50 34.6 – V 033
2021-10-29 02:27:15 C 03 20 20.21 +30 50 26.6 – V 033
2021-10-29 04:07:10 C 03 21 07.54 +30 23 15.0 – V 033
2021-10-29 04:07:39 C 03 21 07.78 +30 23 07.2 – V 033
2021-10-29 04:08:09 C 03 21 08.02 +30 22 59.1 – V 033
2021-10-30 02:28:34 C 03 30 40.94 +25 31 16.7 – V 033
2021-10-30 02:29:24 C 03 30 41.17 +25 31 07.5 – V 033
2021-10-30 02:30:14 C 03 30 41.36 +25 30 58.3 – V 033
2021-10-30 12:35:55 C 03 33 35.80 +23 49 10.5 – V I52
2021-10-30 12:36:16 C 03 33 35.84 +23 49 06.9 – V I52
2021-10-30 12:36:38 C 03 33 35.91 +23 49 03.2 – V I52
2021-10-30 21:51:54 C 03 36 28.68 +22 25 50.4 – V 033
2021-10-30 21:53:04 C 03 36 28.88 +22 25 40.9 – V 033
2021-11-01 08:45:52 C 03 42 58.814 +18 32 32.64 – U F52
2021-11-01 09:04:09 C 03 43 00.232 +18 30 56.87 – U F52
2021-11-01 09:22:30 C 03 43 01.576 +18 29 20.61 – U F52