IAA RAS IAA Minor Planet Database

2021 UD6

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1368633514 ± 1.05e-04
Semi-major axis (a)1.1798570867 AU ± 1.59e-04
Inclination (i)13.23465021° ± 6.74e-03
Long. of Asc. Node (Ω)219.54289933° ± 5.47e-04
Arg. of Perihelion (ω)161.02684678° ± 7.52e-04
Mean Anomaly (M)71.67657597° ± 2.33e-01
Mean Motion (n)0.7690740683°/day ± 1.55e-04
Perihelion dist (q)1.01837789 AU ± 1.85e-04
Aphelion dist (Q)1.34133628 AU ± 2.19e-04
Orbital Period1.28157524 yr ± 2.59e-04
Physical Parameters
H (abs. magnitude)25.72
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.343″
Uncertainty3
Orbit TypeAmor
MOID0.030598 AU
Observations Used70
Oppositions1
Arc Total2021-2021
First Observation Used2021-10-30
Last Observation Used2021-11-08
Observations (72)
Date Type RA Dec Mag Band Observatory
2021-10-30 04:37:42 C 23 29 10.77 +24 45 43.8 – V I41
2021-10-30 05:54:52 C 23 30 01.14 +24 29 51.9 – V I41
2021-10-30 17:58:13 C 23 38 42.80 +21 57 49.0 – o K88
2021-10-30 18:01:03 C 23 38 44.61 +21 57 13.9 – o K88
2021-10-30 18:03:55 C 23 38 46.50 +21 56 37.8 – o K88
2021-10-30 18:21:44 C 23 38 58.27 +21 52 51.5 – o K88
2021-10-30 18:24:27 C 23 39 00.12 +21 52 16.8 – o K88
2021-10-30 18:46:18 C 23 39 17.72 +21 47 19.1 – V J95
2021-10-30 18:54:59 C 23 39 23.50 +21 45 29.8 – V J95
2021-10-30 18:56:52 C 23 39 21.39 +21 45 26.0 – o K88
2021-10-30 18:59:35 C 23 39 23.18 +21 44 51.9 – o K88
2021-10-30 19:03:10 C 23 39 28.94 +21 43 46.1 – V J95
2021-10-30 19:07:44 C 23 39 32.04 +21 42 48.1 – V J95
2021-10-30 19:28:43 C 23 39 42.52 +21 38 33.7 – X G02
2021-10-30 19:39:41 C 23 39 49.75 +21 36 13.4 – X G02
2021-10-30 19:50:42 C 23 39 57.03 +21 33 51.8 – X G02
2021-10-30 20:03:28 C 23 40 06.19 +21 31 24.5 – V L01
2021-10-30 20:04:57 C 23 40 07.17 +21 31 05.7 – V L01
2021-10-30 20:06:27 C 23 40 08.13 +21 30 46.3 – V L01
2021-10-30 20:09:27 C 23 40 10.11 +21 30 08.5 – V L01
2021-10-30 20:18:31 C 23 40 15.98 +21 28 11.8 – V L01
2021-10-30 20:21:42 C 23 40 18.03 +21 27 31.3 – V L01
2021-10-30 20:28:59 C 23 40 25.33 +21 25 28.7 – V Z99
2021-10-30 20:30:51 C 23 40 26.60 +21 25 04.3 – V Z99
2021-10-30 20:32:43 C 23 40 27.83 +21 24 40.2 – V Z99
2021-10-30 20:34:35 C 23 40 29.05 +21 24 16.1 – V Z99
2021-10-30 20:36:29 C 23 40 30.32 +21 23 51.8 – V Z99
2021-10-30 20:38:33 C 23 40 29.53 +21 23 34.5 – V 033
2021-10-30 20:39:18 C 23 40 30.05 +21 23 25.2 – V 033
2021-10-30 20:40:02 C 23 40 30.55 +21 23 15.1 – V 033
2021-10-30 20:40:50 C 23 40 31.06 +21 23 05.0 – V 033
2021-10-31 01:38:45 C 23 44 06.67 +20 19 39.9 – V 734
2021-10-31 01:45:05 C 23 44 10.72 +20 18 18.0 – V 734
2021-10-31 01:51:25 C 23 44 14.81 +20 16 56.8 – V 734
2021-10-31 01:57:48 C 23 44 18.98 +20 15 34.7 – V 734
2021-10-31 02:06:29 C 23 44 24.53 +20 13 42.8 – V 734
2021-10-31 02:07:33 C 23 44 28.78 +20 13 46.0 – V I52
2021-10-31 02:07:54 C 23 44 29.02 +20 13 41.6 – V I52
2021-10-31 02:08:15 C 23 44 29.27 +20 13 36.8 – V I52
2021-10-31 02:08:37 C 23 44 29.48 +20 13 32.3 – V I52
2021-10-31 03:01:42 C 23 45 02.47 +20 02 01.6 – X 858
2021-10-31 03:06:06 C 23 45 05.29 +20 01 04.9 – X 858
2021-10-31 03:10:13 C 23 45 07.91 +20 00 11.7 – X 858
2021-10-31 03:14:20 C 23 45 10.55 +19 59 18.3 – X 858
2021-10-31 17:18:29 C 23 54 56.58 +16 52 48.3 – V 033
2021-10-31 17:19:08 C 23 54 57.01 +16 52 39.8 – V 033
2021-10-31 17:19:48 C 23 54 57.44 +16 52 31.2 – V 033
2021-10-31 17:20:34 C 23 54 57.93 +16 52 21.1 – V 033
2021-10-31 17:37:19 C 23 55 08.10 +16 48 53.7 – o K88
2021-10-31 17:40:22 C 23 55 10.00 +16 48 14.3 – o K88