IAA RAS IAA Minor Planet Database

2021 UW3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1619018129 ± 4.53e-05
Semi-major axis (a)1.0521389818 AU ± 2.60e-05
Inclination (i)6.39516240° ± 2.08e-03
Long. of Asc. Node (Ω)34.72850574° ± 2.59e-04
Arg. of Perihelion (ω)87.99558604° ± 1.36e-03
Mean Anomaly (M)206.84934947° ± 4.53e-02
Mean Motion (n)0.9132771858°/day ± 3.38e-05
Perihelion dist (q)0.88179577 AU ± 5.24e-05
Aphelion dist (Q)1.22248219 AU ± 5.64e-05
Orbital Period1.07921921 yr ± 4.00e-05
Physical Parameters
H (abs. magnitude)27.82
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.309″
Uncertainty2
Orbit TypeApollo
MOID0.014466 AU
Observations Used48
Oppositions1
Arc Total2021-2021
First Observation Used2021-10-25
Last Observation Used2021-11-02
Observations (48)
Date Type RA Dec Mag Band Observatory
2021-10-25 06:12:50 C 02 33 34.82 +03 28 52.1 – V I41
2021-10-25 08:18:43 C 02 33 02.60 +03 40 46.3 – V I41
2021-10-28 06:36:21 C 02 14 29.16 +12 35 45.8 – V 703
2021-10-28 06:51:18 C 02 14 22.50 +12 38 16.2 – V 703
2021-10-28 06:58:46 C 02 14 19.11 +12 39 30.2 – V 703
2021-10-29 22:53:04 C 01 56 16.92 +20 33 54.2 – o K88
2021-10-29 22:55:11 C 01 56 15.49 +20 34 23.9 – o K88
2021-10-29 22:57:20 C 01 56 14.12 +20 34 53.6 – o K88
2021-10-29 22:59:33 C 01 56 12.68 +20 35 24.8 – o K88
2021-10-29 23:30:41 C 01 55 52.53 +20 42 38.2 – o K88
2021-10-29 23:33:08 C 01 55 50.97 +20 43 11.9 – o K88
2021-10-29 23:35:35 C 01 55 49.36 +20 43 46.8 – o K88
2021-10-30 00:08:53 C 01 55 30.97 +20 51 17.9 – V 033
2021-10-30 00:09:22 C 01 55 30.63 +20 51 25.0 – V 033
2021-10-30 00:09:51 C 01 55 30.32 +20 51 31.8 – V 033
2021-10-30 00:35:20 C 01 55 10.75 +20 57 40.0 – o K88
2021-10-30 00:37:56 C 01 55 09.12 +20 58 16.1 – o K88
2021-10-30 00:40:32 C 01 55 07.46 +20 58 51.9 – o K88
2021-10-30 01:22:28 C 01 54 40.64 +21 08 37.7 – o K88
2021-10-30 01:25:02 C 01 54 39.03 +21 09 13.7 – o K88
2021-10-30 01:27:37 C 01 54 37.41 +21 09 49.4 – o K88
2021-10-30 01:40:27 C 01 54 30.29 +21 13 26.4 – V 104
2021-10-30 01:47:58 C 01 54 25.42 +21 15 11.8 – V 104
2021-10-30 01:55:33 C 01 54 20.52 +21 16 57.9 – V 104
2021-10-30 03:57:07 C 01 53 42.51 +21 47 49.0 – V H01
2021-10-30 04:07:07 C 01 53 35.66 +21 50 19.1 – V H01
2021-10-30 04:18:18 C 01 53 27.94 +21 53 07.1 – V H01
2021-10-30 04:27:07 C 01 53 21.83 +21 55 19.4 – V H01
2021-10-30 05:52:58 C 01 52 20.30 +22 16 39.3 – X 858
2021-10-30 05:57:34 C 01 52 16.98 +22 17 48.1 – X 858
2021-10-30 06:02:01 C 01 52 13.76 +22 18 54.7 – X 858
2021-10-30 06:27:04 C 01 51 51.25 +22 24 37.2 – V 734
2021-10-30 06:32:11 C 01 51 47.47 +22 25 55.6 – V 734
2021-10-30 06:37:21 C 01 51 43.76 +22 27 10.9 – V 734
2021-10-30 06:42:27 C 01 51 40.13 +22 28 26.0 – V 734
2021-10-30 22:05:45 C 01 41 19.42 +26 32 31.6 – o K88
2021-10-30 22:08:49 C 01 41 16.78 +26 33 22.6 – o K88
2021-10-30 22:11:56 C 01 41 14.21 +26 34 15.4 – o K88
2021-10-31 17:32:42 C 01 25 06.50 +32 22 29.4 – V 033
2021-10-31 17:33:22 C 01 25 05.83 +32 22 42.5 – V 033
2021-10-31 17:34:01 C 01 25 05.17 +32 22 55.7 – V 033
2021-10-31 17:34:45 C 01 25 04.41 +32 23 10.2 – V 033
2021-10-31 20:35:56 C 01 21 45.17 +33 24 01.8 – o K88
2021-10-31 20:39:38 C 01 21 40.94 +33 25 14.6 – o K88
2021-10-31 20:43:20 C 01 21 36.66 +33 26 27.7 – o K88
2021-11-02 17:25:19 C 00 15 33.51 +49 08 12.2 – V 033
2021-11-02 17:26:38 C 00 15 30.57 +49 08 41.0 – V 033
2021-11-02 17:27:17 C 00 15 29.15 +49 08 56.0 – V 033