2021 UM5

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6678243091 ± 4.74e-05
Semi-major axis (a)2.1495257215 AU ± 1.85e-04
Inclination (i)9.48213346° ± 1.55e-03
Long. of Asc. Node (Ω)42.80212844° ± 7.46e-04
Arg. of Perihelion (ω)108.48447098° ± 3.47e-03
Mean Anomaly (M)69.72068424° ± 5.67e-02
Mean Motion (n)0.3127507117°/day ± 4.04e-05
Perihelion dist (q)0.71402019 AU ± 1.19e-04
Aphelion dist (Q)3.58503125 AU ± 3.25e-04
Orbital Period3.15147575 yr ± 4.07e-04
Physical Parameters
H (abs. magnitude)21.64
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.320″
Uncertainty2
Orbit TypeApollo
MOID0.007938 AU
Observations Used42
Oppositions1
Arc Total2021-2021
First Observation Used2021-10-28
Last Observation Used2021-12-08
Observations (43)
Date Type RA Dec Mag Band Observatory
2021-10-28 06:36:25 C 02 18 57.63 +10 38 45.1 V G96
2021-10-28 06:43:49 C 02 18 56.94 +10 38 43.8 V G96
2021-10-28 06:51:15 C 02 18 56.19 +10 38 43.5 V G96
2021-10-28 06:58:38 C 02 18 55.57 +10 38 42.8 V G96
2021-10-28 09:07:16 C 02 18 43.63 +10 38 26.1 V V06
2021-10-28 09:11:51 C 02 18 43.28 +10 38 26.3 V V06
2021-10-29 10:09:33 C 02 16 27.00 +10 35 18.6 o 691
2021-10-29 10:26:12 C 02 16 25.45 +10 35 16.1 o 691
2021-10-29 10:42:52 C 02 16 23.89 +10 35 14.0 o 691
2021-10-30 04:00:14 C 02 14 47.97 +10 33 14.4 V 807
2021-10-30 04:08:13 C 02 14 47.21 +10 33 13.2 V 807
2021-10-30 04:16:12 C 02 14 46.43 +10 33 12.3 V 807
2021-10-31 04:32:57 C 02 12 28.07 +10 29 47.8 V I52
2021-10-31 04:48:25 C 02 12 26.55 +10 29 45.8 V I52
2021-11-03 06:30:55 C 02 05 03.72 +10 19 40.4 o 291
2021-11-03 06:43:51 C 02 05 02.32 +10 19 38.2 o 291
2021-11-03 06:56:49 C 02 05 00.94 +10 19 36.5 o 291
2021-11-04 04:49:16 C 02 02 44.32 +10 16 30.1 o 291
2021-11-04 05:02:11 C 02 02 42.90 +10 16 28.5 o 291
2021-11-04 05:15:06 C 02 02 41.54 +10 16 27.2 o 291
2021-11-05 04:24:24 C 02 00 13.91 +10 13 06.8 V 291
2021-11-05 04:35:10 C 02 00 12.75 +10 13 05.0 V 291
2021-11-05 04:45:55 C 02 00 11.57 +10 13 03.5 V 291
2021-11-07 07:43:04 C 01 54 36.93 +10 05 40.1 o 691
2021-11-07 08:25:22 C 01 54 32.17 +10 05 33.4 o 691
2021-11-07 09:07:50 C 01 54 27.33 +10 05 26.6 o 691
2021-11-07 10:16:21 C 01 54 20.016 +10 05 19.56 V T12
2021-11-07 10:18:55 C 01 54 19.723 +10 05 19.17 V T12
2021-11-07 10:21:48 C 01 54 19.400 +10 05 18.80 V T12
2021-11-11 03:16:59 C 01 44 12.78 +09 52 16.0 V V06
2021-11-11 03:23:50 C 01 44 11.96 +09 52 15.0 V V06
2021-11-11 03:30:42 C 01 44 11.14 +09 52 14.0 V V06
2021-11-11 03:37:34 C 01 44 10.33 +09 52 12.9 V V06
2021-11-23 01:37:15 C 01 10 11.94 +09 16 40.4 u H21
2021-11-23 01:48:39 C 01 10 10.56 +09 16 39.2 u H21
2021-11-23 01:59:44 C 01 10 09.21 +09 16 38.0 u H21
2021-12-01 02:28:06 C 00 48 25.28 +09 06 14.0 V V06
2021-12-01 02:35:16 C 00 48 24.48 +09 06 14.1 V V06
2021-12-03 07:24:30 C 00 42 51.00 +09 06 17.0 V V06
2021-12-03 07:30:57 C 00 42 50.28 +09 06 16.8 V V06
2021-12-08 01:56:28 C 00 31 38.47 +09 11 53.2 V 807
2021-12-08 02:08:42 C 00 31 37.25 +09 11 54.1 V 807
2021-12-08 02:20:24 C 00 31 36.14 +09 11 55.2 V 807