2020 UM4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2579129790 ± 7.34e-05
Semi-major axis (a)1.3463619113 AU ± 1.37e-04
Inclination (i)30.40368237° ± 3.35e-03
Long. of Asc. Node (Ω)207.70514619° ± 2.95e-04
Arg. of Perihelion (ω)155.87203501° ± 2.66e-03
Mean Anomaly (M)104.02229862° ± 1.83e-01
Mean Motion (n)0.6309131084°/day ± 9.65e-05
Perihelion dist (q)0.99911770 AU ± 1.42e-04
Aphelion dist (Q)1.69360612 AU ± 1.99e-04
Orbital Period1.56222191 yr ± 2.39e-04
Physical Parameters
H (abs. magnitude)22.79
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.197″
Uncertainty3
Orbit TypeApollo
MOID0.019955 AU
Observations Used87
Oppositions1
Arc Total2020-2020
First Observation Used2020-10-22
Last Observation Used2020-11-26
Observations (89)
Date Type RA Dec Mag Band Observatory
2020-10-23 18:23:47 C 22 02 42.52 -15 58 02.3 V Z99
2020-10-23 18:26:31 C 22 02 45.17 -15 59 07.4 V Z99
2020-10-23 18:29:29 C 22 02 48.07 -16 00 18.0 V Z99
2020-10-24 00:12:37 C 22 08 31.15 -18 10 05.5 u 807
2020-10-24 00:13:58 C 22 08 32.45 -18 10 36.6 u 807
2020-10-24 00:15:18 C 22 08 33.75 -18 11 07.3 u 807
2020-10-24 00:16:19 C 22 08 36.56 -18 14 23.5 V W33
2020-10-24 00:16:39 C 22 08 35.02 -18 11 38.1 u 807
2020-10-24 00:17:59 C 22 08 36.32 -18 12 08.9 u 807
2020-10-24 00:18:00 C 22 08 38.21 -18 15 02.6 V W33
2020-10-24 00:19:30 C 22 08 39.65 -18 15 37.5 V W33
2020-10-25 00:05:20 C 22 32 10.83 -26 33 45.1 u 807
2020-10-25 00:08:34 C 22 32 13.84 -26 34 47.3 u 807
2020-10-25 00:11:47 C 22 32 16.82 -26 35 49.2 u 807
2020-10-25 00:15:00 C 22 32 19.83 -26 36 51.0 u 807
2020-10-25 00:18:13 C 22 32 22.83 -26 37 53.0 u 807
2020-10-26 00:24:59 C 22 55 22.81 -33 31 36.6 u 807
2020-10-26 00:28:11 C 22 55 25.68 -33 32 25.4 u 807
2020-10-26 00:31:24 C 22 55 28.51 -33 33 14.5 u 807
2020-10-26 00:34:33 C 22 55 31.29 -33 34 03.2 u 807
2020-10-26 00:37:41 C 22 55 34.09 -33 34 50.5 u 807
2020-11-02 03:32:30 C 00 55 35.68 -53 19 17.7 u 807
2020-11-02 03:39:59 C 00 55 39.08 -53 19 35.4 u 807
2020-11-02 03:47:15 C 00 55 42.39 -53 19 52.6 u 807
2020-11-06 03:46:44 C 01 33 48.70 -55 50 20.7 u 807
2020-11-06 03:52:38 C 01 33 50.47 -55 50 26.1 u 807
2020-11-06 03:58:32 C 01 33 52.23 -55 50 31.4 u 807
2020-11-07 03:48:34 C 01 41 11.51 -56 10 19.5 u 807
2020-11-07 03:57:10 C 01 41 13.84 -56 10 25.4 u 807
2020-11-07 04:07:30 C 01 41 16.63 -56 10 32.7 u 807
2020-11-10 04:03:36 C 01 59 38.80 -56 46 45.2 u 807
2020-11-10 04:12:39 C 01 59 40.64 -56 46 47.9 u 807
2020-11-10 04:21:20 C 01 59 42.38 -56 46 50.2 u 807
2020-11-13 04:47:21 C 02 13 57.03 -56 59 52.5 u 807
2020-11-13 04:55:03 C 02 13 58.21 -56 59 52.5 u 807
2020-11-13 05:02:20 C 02 13 59.34 -56 59 52.9 u 807
2020-11-26 02:06:23 C 02 50 17.43 -55 58 49.8 V 807
2020-11-26 02:31:56 C 02 50 19.21 -55 58 40.8 V 807
2020-11-26 02:57:38 C 02 50 20.98 -55 58 31.2 V 807