2021 UM3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5276906000
Semi-major axis (a)1.6280327000 AU
Inclination (i)10.48577000°
Long. of Asc. Node (Ω)206.02440000°
Arg. of Perihelion (ω)111.18494000°
Mean Anomaly (M)10.68079000°
Mean Motion (n)0.4744706700°/day
Perihelion dist (q)0.76893510 AU
Aphelion dist (Q)2.48713030 AU
Orbital Period2.07727830 yr
Physical Parameters
H (abs. magnitude)24.70
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.800″
Uncertainty7
Orbit TypeApollo
MOID0.004248 AU
Observations Used25
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-11-11
Observations (27)
Date Type RA Dec Mag Band Observatory
2021-10-28 10:38:35 C 03 37 26.679 -05 46 51.47 U F52
2021-10-28 10:55:09 C 03 37 22.197 -05 47 03.68 U F52
2021-10-28 11:11:44 C 03 37 17.675 -05 47 15.66 U F52
2021-10-28 11:28:24 C 03 37 13.187 -05 47 27.81 U F52
2021-10-28 14:25:37 C 03 36 26.308 -05 49 30.61 V F51
2021-10-28 14:26:34 C 03 36 26.056 -05 49 31.29 V F51
2021-10-29 00:15:09 C 03 34 17.17 -05 56 35.4 V L01
2021-10-29 00:18:31 C 03 34 16.37 -05 56 37.5 V L01
2021-10-29 00:21:52 C 03 34 15.56 -05 56 40.0 V L01
2021-10-29 00:25:21 C 03 34 14.75 -05 56 42.2 V L01
2021-10-29 00:28:17 C 03 34 14.03 -05 56 43.8 V L01
2021-10-29 00:53:57 C 03 34 08.23 -05 57 05.5 V 033
2021-10-29 00:55:32 C 03 34 07.82 -05 57 06.5 V 033
2021-10-29 07:14:00 C 03 32 50.15 -06 00 32.2 V I52
2021-10-29 07:17:00 C 03 32 49.34 -06 00 33.5 V I52
2021-10-29 07:20:00 C 03 32 48.61 -06 00 35.8 V I52
2021-10-29 07:21:06 C 03 32 48.47 -06 00 35.9 V I52
2021-10-29 08:28:49 C 03 32 32.85 -06 01 15.2 V G96
2021-10-29 08:43:48 C 03 32 29.46 -06 01 23.7 V G96
2021-10-29 08:51:18 C 03 32 27.77 -06 01 27.9 V G96
2021-11-02 08:53:36 C 03 17 56.36 -06 35 07.3 V I52
2021-11-02 08:56:55 C 03 17 55.95 -06 35 07.9 V I52
2021-11-02 09:00:14 C 03 17 55.49 -06 35 08.3 V I52
2021-11-02 09:03:33 C 03 17 55.23 -06 35 08.8 V I52
2021-11-11 08:39:46 C 03 02 45.189 -06 32 42.73 U F51
2021-11-11 08:58:02 C 03 02 44.208 -06 32 40.14 U F51
2021-11-11 09:16:29 C 03 02 43.215 -06 32 37.51 U F51