IAA RAS IAA Minor Planet Database

2021 UD7

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2895083000
Semi-major axis (a)1.3883374000 AU
Inclination (i)14.44355000°
Long. of Asc. Node (Ω)37.78193000°
Arg. of Perihelion (ω)31.24352000°
Mean Anomaly (M)155.41692000°
Mean Motion (n)0.6025062400°/day
Perihelion dist (q)0.98640220 AU
Aphelion dist (Q)1.79027260 AU
Orbital Period1.63584640 yr
Physical Parameters
H (abs. magnitude)25.89
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.790″
Uncertainty7
Orbit TypeApollo
MOID0.023527 AU
Observations Used49
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-11-09
Observations (50)
Date Type RA Dec Mag Band Observatory
2021-10-31 05:17:30 C 00 55 28.12 -01 58 13.2 – V 703
2021-10-31 05:25:09 C 00 55 24.07 -01 55 49.0 – V 703
2021-10-31 05:32:47 C 00 55 20.14 -01 53 24.6 – V 703
2021-10-31 07:33:34 C 00 54 15.79 -01 15 36.7 – V I52
2021-10-31 07:34:17 C 00 54 15.42 -01 15 22.9 – V I52
2021-10-31 07:35:00 C 00 54 15.05 -01 15 09.4 – V I52
2021-10-31 07:35:43 C 00 54 14.66 -01 14 55.8 – V I52
2021-10-31 23:29:11 C 00 46 27.05 +04 01 07.1 – V J95
2021-10-31 23:32:19 C 00 46 25.31 +04 02 12.4 – V J95
2021-10-31 23:37:55 C 00 46 22.08 +04 04 10.0 – V J95
2021-10-31 23:44:21 C 00 46 18.39 +04 06 24.8 – V J95
2021-11-01 01:08:50 C 00 45 48.37 +04 37 10.1 – X W34
2021-11-01 01:20:30 C 00 45 41.56 +04 41 18.3 – X W34
2021-11-01 01:32:14 C 00 45 34.68 +04 45 27.4 – X W34
2021-11-01 02:17:42 C 00 45 08.85 +05 01 17.8 – u H21
2021-11-01 02:20:28 C 00 45 07.19 +05 02 17.3 – u H21
2021-11-01 02:23:15 C 00 45 05.55 +05 03 16.6 – u H21
2021-11-01 02:26:02 C 00 45 03.92 +05 04 15.8 – u H21
2021-11-01 02:27:25 C 00 45 03.09 +05 04 45.6 – u H21
2021-11-01 03:14:33 C 00 44 41.37 +05 22 02.7 – V I52
2021-11-01 03:14:47 C 00 44 41.23 +05 22 07.8 – V I52
2021-11-01 03:15:02 C 00 44 41.10 +05 22 12.9 – V I52
2021-11-01 03:15:16 C 00 44 40.95 +05 22 18.2 – V I52
2021-11-01 17:56:54 C 00 36 27.87 +10 48 27.1 – V B72
2021-11-01 18:01:37 C 00 36 24.83 +10 50 18.0 – V B72
2021-11-01 18:04:53 C 00 36 25.55 +10 52 06.5 – V B49
2021-11-01 18:05:16 C 00 36 25.31 +10 52 15.5 – V B49
2021-11-01 18:08:23 C 00 36 23.38 +10 53 27.9 – V B49
2021-11-01 18:09:01 C 00 36 22.95 +10 53 42.9 – V B49
2021-11-01 21:02:35 C 00 34 29.82 +12 00 32.4 – V Z80
2021-11-01 21:14:57 C 00 34 21.60 +12 05 22.2 – V Z80
2021-11-02 17:20:43 C 00 21 31.42 +20 10 45.5 – V 033
2021-11-02 17:21:08 C 00 21 31.11 +20 10 55.9 – V 033
2021-11-02 17:21:33 C 00 21 30.81 +20 11 06.1 – V 033
2021-11-02 17:22:56 C 00 21 29.81 +20 11 40.8 – V 033
2021-11-03 01:11:07 C 00 15 33.90 +23 25 22.9 – V Z99
2021-11-03 01:12:27 C 00 15 32.90 +23 25 56.1 – V Z99
2021-11-03 01:13:48 C 00 15 31.81 +23 26 29.3 – V Z99
2021-11-03 01:14:28 C 00 15 31.33 +23 26 46.1 – V Z99
2021-11-03 01:16:30 C 00 15 29.78 +23 27 35.8 – V Z99
2021-11-03 01:17:50 C 00 15 28.76 +23 28 09.4 – V Z99
2021-11-04 18:27:54 C 23 40 48.57 +40 06 20.4 – V 104
2021-11-04 18:41:14 C 23 40 34.51 +40 11 23.8 – V 104
2021-11-06 17:45:47 C 22 46 22.81 +55 12 10.4 – V 033
2021-11-06 17:46:41 C 22 46 21.51 +55 12 24.8 – V 033
2021-11-06 17:47:36 C 22 46 20.33 +55 12 39.9 – V 033
2021-11-06 17:48:33 C 22 46 18.86 +55 12 54.0 – V 033
2021-11-09 05:31:54 C 21 15 47.227 +66 02 05.48 – V T12
2021-11-09 05:33:45 C 21 15 43.940 +66 02 17.53 – V T12
2021-11-09 05:35:37 C 21 15 40.600 +66 02 29.71 – V T12