2021 UA12

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1482184399 ± 1.85e-05
Semi-major axis (a)1.0699830091 AU ± 1.22e-05
Inclination (i)4.15808289° ± 7.09e-04
Long. of Asc. Node (Ω)222.44601873° ± 2.22e-04
Arg. of Perihelion (ω)253.49496251° ± 2.78e-04
Mean Anomaly (M)177.40458914° ± 2.11e-02
Mean Motion (n)0.8905267186°/day ± 1.52e-05
Perihelion dist (q)0.91139180 AU ± 2.24e-05
Aphelion dist (Q)1.22857422 AU ± 2.43e-05
Orbital Period1.10679024 yr ± 1.90e-05
Physical Parameters
H (abs. magnitude)28.60
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.233″
Uncertainty2
Orbit TypeApollo
MOID0.005826 AU
Observations Used55
Oppositions1
Arc Total2021-2021
First Observation Used2021-10-31
Last Observation Used2021-11-09
Observations (56)
Date Type RA Dec Mag Band Observatory
2021-10-31 06:31:06 C 01 37 58.066 +28 49 22.63 U F51
2021-10-31 06:49:46 C 01 37 56.647 +28 48 14.84 U F51
2021-10-31 07:08:23 C 01 37 55.157 +28 47 06.02 U F51
2021-10-31 07:27:00 C 01 37 53.547 +28 45 56.27 U F51
2021-10-31 10:38:15 C 01 37 34.432 +28 32 49.75 V F51
2021-10-31 10:39:11 C 01 37 34.341 +28 32 45.62 V F51
2021-11-01 07:37:52 C 01 37 46.11 +26 54 03.1 o 691
2021-11-01 07:53:09 C 01 37 44.70 +26 52 41.2 o 691
2021-11-01 07:56:35 C 01 38 04.079 +26 53 48.17 V 568
2021-11-01 07:59:24 C 01 38 03.781 +26 53 34.40 V 568
2021-11-01 08:00:49 C 01 38 03.638 +26 53 27.58 V 568
2021-11-01 08:08:27 C 01 37 43.31 +26 51 18.5 o 691
2021-11-01 10:25:51 C 01 37 48.166 +26 40 54.63 V F51
2021-11-02 23:50:44 C 01 38 22.25 +22 41 45.8 V J95
2021-11-03 00:03:59 C 01 38 16.63 +22 39 55.8 V 033
2021-11-03 00:05:34 C 01 38 16.52 +22 39 43.8 V 033
2021-11-03 00:07:08 C 01 38 16.42 +22 39 31.7 V 033
2021-11-03 00:14:39 C 01 38 20.51 +22 38 40.6 V J95
2021-11-03 02:43:22 C 01 38 43.79 +22 20 59.7 u H21
2021-11-03 02:55:27 C 01 38 42.76 +22 19 29.0 u H21
2021-11-03 03:07:32 C 01 38 41.68 +22 17 57.8 u H21
2021-11-03 03:21:13 C 01 38 40.41 +22 16 13.9 u H21
2021-11-04 02:18:55 C 01 39 26.06 +18 51 40.2 X 858
2021-11-04 02:24:32 C 01 39 25.74 +18 50 46.3 X 858
2021-11-04 02:30:07 C 01 39 25.41 +18 49 52.3 X 858
2021-11-04 18:35:08 C 01 39 55.31 +16 00 21.1 V L81
2021-11-04 19:05:59 C 01 39 52.45 +15 54 17.9 V L81
2021-11-04 19:27:13 C 01 39 48.07 +15 38 51.1 V 104
2021-11-04 19:39:59 C 01 39 47.08 +15 36 16.6 V 104
2021-11-04 19:43:14 C 01 39 51.18 +15 35 18.3 V I93
2021-11-04 19:52:06 C 01 39 50.60 +15 33 31.0 V I93
2021-11-04 19:52:45 C 01 39 46.10 +15 33 41.4 V 104
2021-11-04 20:01:11 C 01 39 49.99 +15 31 41.3 V I93
2021-11-04 20:09:11 C 01 39 47.53 +15 29 02.7 V J95
2021-11-04 20:19:56 C 01 39 46.88 +15 26 50.8 V J95
2021-11-04 21:51:30 C 01 39 35.89 +15 08 42.2 V 204
2021-11-04 22:03:49 C 01 39 34.65 +15 06 04.7 V 204
2021-11-04 22:06:04 C 01 39 29.55 +15 05 02.5 X G02
2021-11-04 22:14:12 C 01 39 30.98 +15 03 56.8 V L01
2021-11-04 22:15:25 C 01 39 33.50 +15 03 36.2 V 204
2021-11-04 22:16:26 C 01 39 30.76 +15 03 27.5 V L01
2021-11-04 22:18:41 C 01 39 30.54 +15 02 58.0 V L01
2021-11-04 22:20:34 C 01 39 28.26 +15 01 54.9 X G02
2021-11-04 22:20:56 C 01 39 30.34 +15 02 29.2 V L01
2021-11-04 22:23:11 C 01 39 30.11 +15 02 00.2 V L01
2021-11-04 22:35:11 C 01 39 26.97 +14 58 45.3 X G02
2021-11-05 20:34:34 C 01 40 35.55 +09 30 30.3 V 033
2021-11-05 20:35:03 C 01 40 35.51 +09 30 21.8 V 033
2021-11-05 20:35:32 C 01 40 35.47 +09 30 13.3 V 033
2021-11-06 20:45:35 C 01 41 52.55 +01 17 17.2 V 033