IAA RAS IAA Minor Planet Database

2021 UW1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5557863000
Semi-major axis (a)1.7463755000 AU
Inclination (i)2.23410000°
Long. of Asc. Node (Ω)219.14294000°
Arg. of Perihelion (ω)245.06942000°
Mean Anomaly (M)254.05555000°
Mean Motion (n)0.4270685900°/day
Perihelion dist (q)0.77576390 AU
Aphelion dist (Q)2.71698710 AU
Orbital Period2.30784400 yr
Physical Parameters
H (abs. magnitude)26.16
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.530″
Uncertainty6
Orbit TypeApollo
MOID0.001566 AU
Observations Used166
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-10-30
Observations (167)
Date Type RA Dec Mag Band Observatory
2021-10-28 05:45:53 C 00 57 04.56 +15 35 30.5 – V 703
2021-10-28 05:53:32 C 00 57 00.24 +15 35 38.1 – V 703
2021-10-28 06:01:11 C 00 56 55.81 +15 35 44.6 – V 703
2021-10-28 07:28:30 C 00 56 05.05 +15 36 59.7 – V I52
2021-10-28 07:28:45 C 00 56 04.93 +15 37 00.0 – V I52
2021-10-28 07:28:59 C 00 56 04.78 +15 37 00.0 – V I52
2021-10-28 07:29:50 C 00 56 04.27 +15 37 00.8 – V I52
2021-10-28 09:46:22 C 00 54 59.17 +15 40 53.8 – V T05
2021-10-28 09:50:59 C 00 54 56.18 +15 40 58.7 – V T05
2021-10-28 10:01:37 C 00 54 49.25 +15 41 08.6 – V T05
2021-10-28 10:16:48 C 00 54 39.29 +15 41 21.8 – V T05
2021-10-28 18:08:21 C 00 50 18.50 +15 46 33.7 – V 246
2021-10-28 18:10:17 C 00 50 17.00 +15 46 36.3 – V 246
2021-10-28 18:10:27 C 00 50 16.91 +15 46 36.8 – V 246
2021-10-28 18:10:38 C 00 50 16.73 +15 46 37.1 – V 246
2021-10-28 18:10:48 C 00 50 16.62 +15 46 37.3 – V 246
2021-10-28 18:10:59 C 00 50 16.49 +15 46 37.8 – V 246
2021-10-28 18:11:09 C 00 50 16.32 +15 46 37.9 – V 246
2021-10-28 18:19:54 C 00 50 09.33 +15 46 37.5 – V 113
2021-10-28 18:26:08 C 00 50 04.48 +15 46 47.1 – V 113
2021-10-28 18:30:17 C 00 50 01.26 +15 46 53.6 – V 113
2021-10-28 18:32:22 C 00 49 59.59 +15 46 57.3 – V 113
2021-10-28 18:34:26 C 00 49 57.98 +15 47 00.4 – V 113
2021-10-28 18:36:31 C 00 49 56.34 +15 47 03.8 – V 113
2021-10-28 18:38:26 C 00 49 54.71 +15 47 06.9 – V 113
2021-10-28 18:40:31 C 00 49 53.06 +15 47 10.3 – V 113
2021-10-28 18:42:34 C 00 49 51.41 +15 47 14.1 – V 113
2021-10-28 18:44:39 C 00 49 49.79 +15 47 16.9 – V 113
2021-10-28 19:51:13 C 00 48 49.68 +15 49 21.9 – V L18
2021-10-28 19:53:43 C 00 48 47.55 +15 49 24.7 – V L18
2021-10-28 19:56:13 C 00 48 45.36 +15 49 28.2 – V L18
2021-10-28 19:58:43 C 00 48 43.17 +15 49 33.0 – V L18
2021-10-28 20:33:26 C 00 48 18.89 +15 50 02.1 – V 033
2021-10-28 20:34:09 C 00 48 18.24 +15 50 03.2 – V 033
2021-10-28 20:34:37 C 00 48 17.80 +15 50 04.8 – V 033
2021-10-28 20:49:40 C 00 48 06.25 +15 51 09.3 – V 203
2021-10-28 20:58:57 C 00 47 57.86 +15 51 23.6 – V 203
2021-10-28 21:11:33 C 00 47 46.38 +15 51 42.9 – V 203
2021-10-28 22:35:22 C 00 46 27.24 +15 53 41.7 – V K38
2021-10-28 22:39:03 C 00 46 23.64 +15 53 47.4 – V K38
2021-10-28 23:51:04 C 00 45 11.03 +15 55 37.3 – V 104
2021-10-29 00:00:13 C 00 45 01.74 +15 55 49.3 – V 104
2021-10-29 00:09:28 C 00 44 52.39 +15 56 00.9 – V 104
2021-10-29 02:32:57 C 00 43 20.31 +16 01 43.3 – o 691
2021-10-29 02:38:17 C 00 43 14.36 +16 01 55.5 – o 691
2021-10-29 02:43:37 C 00 43 08.36 +16 02 07.3 – o 691
2021-10-29 14:44:40 C 00 25 41.889 +16 29 39.72 – V O85
2021-10-29 14:47:33 C 00 25 35.586 +16 29 48.50 – V O85
2021-10-29 14:50:27 C 00 25 29.195 +16 29 55.87 – V O85
2021-10-29 14:53:21 C 00 25 22.840 +16 30 04.74 – V O85