IAA RAS IAA Minor Planet Database

2021 UR2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3965712000
Semi-major axis (a)1.6335258000 AU
Inclination (i)2.27688000°
Long. of Asc. Node (Ω)27.78549000°
Arg. of Perihelion (ω)340.59018000°
Mean Anomaly (M)351.22756000°
Mean Motion (n)0.4720794300°/day
Perihelion dist (q)0.98571650 AU
Aphelion dist (Q)2.28133510 AU
Orbital Period2.08780050 yr
Physical Parameters
H (abs. magnitude)26.71
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.730″
Uncertainty7
Orbit TypeApollo
MOID0.001703 AU
Observations Used52
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-11-06
Observations (55)
Date Type RA Dec Mag Band Observatory
2021-10-28 02:14:42 C 23 25 41.79 +06 31 33.7 – V G96
2021-10-28 02:22:45 C 23 25 51.69 +06 33 16.9 – V G96
2021-10-28 02:30:49 C 23 26 01.33 +06 34 57.4 – V G96
2021-10-28 02:38:52 C 23 26 10.91 +06 36 38.5 – V G96
2021-10-28 04:57:52 C 23 28 55.48 +07 05 15.2 – V I52
2021-10-28 04:58:29 C 23 28 56.20 +07 05 22.3 – V I52
2021-10-28 04:59:05 C 23 28 56.91 +07 05 30.4 – V I52
2021-10-28 04:59:41 C 23 28 57.61 +07 05 37.2 – V I52
2021-10-28 07:31:10 C 23 31 57.40 +07 36 16.4 – V I52
2021-10-28 07:31:47 C 23 31 58.04 +07 36 23.4 – V I52
2021-10-28 07:32:23 C 23 31 58.79 +07 36 30.8 – V I52
2021-10-28 07:32:59 C 23 31 59.47 +07 36 37.7 – V I52
2021-10-28 17:24:30 C 23 44 39.02 +09 32 21.0 – V 246
2021-10-28 17:29:53 C 23 44 46.12 +09 33 38.4 – V L01
2021-10-28 17:31:13 C 23 44 46.91 +09 33 37.6 – V 246
2021-10-28 17:31:33 C 23 44 47.29 +09 33 42.1 – V 246
2021-10-28 17:31:36 C 23 44 48.17 +09 33 59.1 – V L01
2021-10-28 17:31:53 C 23 44 47.57 +09 33 44.2 – V 246
2021-10-28 17:32:12 C 23 44 48.10 +09 33 49.6 – V 246
2021-10-28 17:32:32 C 23 44 48.50 +09 33 52.5 – V 246
2021-10-28 17:32:51 C 23 44 48.97 +09 33 55.8 – V 246
2021-10-28 17:33:11 C 23 44 49.15 +09 34 00.9 – V 246
2021-10-28 17:33:20 C 23 44 50.21 +09 34 19.1 – V L01
2021-10-28 17:33:50 C 23 44 50.02 +09 34 09.5 – V 246
2021-10-28 17:35:03 C 23 44 52.25 +09 34 39.1 – V L01
2021-10-28 17:36:46 C 23 44 54.21 +09 34 58.8 – V L01
2021-10-28 18:02:32 C 23 45 23.87 +09 39 33.2 – V 033
2021-10-28 18:03:02 C 23 45 24.44 +09 39 38.9 – V 033
2021-10-28 18:03:31 C 23 45 25.03 +09 39 44.7 – V 033
2021-10-28 18:04:05 C 23 45 25.68 +09 39 51.2 – V 033
2021-10-28 18:58:51 C 23 46 29.86 +09 50 49.5 – X 595
2021-10-28 19:09:46 C 23 46 42.42 +09 52 55.1 – X 595
2021-10-28 19:20:51 C 23 46 55.20 +09 55 03.0 – X 595
2021-10-29 02:01:30 C 23 55 08.06 +11 11 04.0 – V I52
2021-10-29 02:01:44 C 23 55 08.23 +11 11 08.0 – V I52
2021-10-29 02:01:58 C 23 55 08.50 +11 11 10.4 – V I52
2021-10-29 02:02:13 C 23 55 08.82 +11 11 14.3 – V I52
2021-10-30 04:13:44 C 00 24 56.68 +15 35 44.7 – o 691
2021-10-30 04:23:39 C 00 25 06.75 +15 37 16.5 – o 691
2021-10-30 04:33:36 C 00 25 16.74 +15 38 48.2 – o 691
2021-10-30 21:17:25 C 00 42 41.04 +17 59 26.4 – V 033
2021-10-30 21:18:05 C 00 42 41.69 +17 59 31.9 – V 033
2021-10-30 21:18:44 C 00 42 42.31 +17 59 37.0 – V 033
2021-10-31 07:55:46 C 00 52 55.36 +19 20 40.5 – V I52
2021-10-31 07:56:00 C 00 52 55.56 +19 20 42.3 – V I52
2021-10-31 07:56:53 C 00 52 56.38 +19 20 48.7 – V I52
2021-10-31 07:57:08 C 00 52 56.57 +19 20 49.9 – V I52
2021-10-31 20:59:02 C 01 05 06.09 +20 47 39.4 – V K88
2021-10-31 21:03:18 C 01 05 09.73 +20 48 07.0 – V K88
2021-11-01 07:39:20 C 01 14 24.746 +21 53 41.31 – U F52