IAA RAS IAA Minor Planet Database

2020 UM8

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5246592083 ± 3.30e-05
Semi-major axis (a)2.1338372117 AU ± 1.51e-04
Inclination (i)2.31313245° ± 1.22e-04
Long. of Asc. Node (Ω)195.98345657° ± 4.12e-04
Arg. of Perihelion (ω)237.22081198° ± 3.01e-04
Mean Anomaly (M)212.38309246° ± 6.09e-02
Mean Motion (n)0.3162061770°/day ± 3.36e-05
Perihelion dist (q)1.01429987 AU ± 1.01e-04
Aphelion dist (Q)3.25337455 AU ± 2.41e-04
Orbital Period3.11703678 yr ± 3.31e-04
Physical Parameters
H (abs. magnitude)25.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.375″
Uncertainty2
Orbit TypeApollo
MOID0.042754 AU
Observations Used44
Oppositions1
Arc Total2020-2021
First Observation Used2020-10-18
Last Observation Used2021-01-15
Observations (44)
Date Type RA Dec Mag Band Observatory
2020-10-18 00:59:00 C 23 33 35.93 -03 34 28.5 – – W84
2020-10-18 01:38:45 C 23 33 34.54 -03 34 57.2 – – W84
2020-10-18 03:38:13 C 23 33 30.33 -03 36 23.2 – – W84
2020-12-12 05:30:11 C 03 30 43.82 -25 02 31.8 – V G96
2020-12-12 05:37:33 C 03 30 48.88 -25 02 29.5 – V G96
2020-12-12 05:44:55 C 03 30 53.97 -25 02 26.2 – V G96
2020-12-12 05:52:20 C 03 30 59.11 -25 02 23.5 – V G96
2020-12-12 06:30:40 C 03 31 25.54 -25 02 06.3 – V I52
2020-12-12 06:33:42 C 03 31 27.73 -25 02 04.1 – V I52
2020-12-12 15:00:29 C 03 37 35.96 -24 54 20.7 – V 474
2020-12-12 15:03:06 C 03 37 37.86 -24 54 17.8 – V 474
2020-12-12 15:05:43 C 03 37 39.73 -24 54 16.5 – V 474
2020-12-12 15:08:21 C 03 37 41.61 -24 54 15.7 – V 474
2020-12-13 01:34:26 C 03 45 37.27 -24 48 30.2 – u 807
2020-12-13 01:40:40 C 03 45 41.62 -24 48 26.1 – u 807
2020-12-13 01:46:53 C 03 45 45.99 -24 48 22.1 – u 807
2020-12-13 12:03:03 C 03 53 19.22 -24 39 16.2 – V 474
2020-12-13 12:04:50 C 03 53 20.47 -24 39 15.3 – V 474
2020-12-13 12:06:36 C 03 53 21.71 -24 39 13.7 – V 474
2020-12-13 12:08:23 C 03 53 22.99 -24 39 12.0 – V 474
2020-12-13 22:08:55 C 04 00 52.46 -24 32 45.1 – V L01
2020-12-13 22:12:14 C 04 00 54.86 -24 32 41.3 – V L01
2020-12-13 22:22:42 C 04 01 02.31 -24 32 29.9 – V L01
2020-12-14 04:07:16 C 04 05 25.89 -24 25 39.8 – V I52
2020-12-14 04:08:41 C 04 05 26.87 -24 25 37.5 – V I52
2020-12-14 04:10:06 C 04 05 27.87 -24 25 36.3 – V I52
2020-12-14 04:11:31 C 04 05 28.87 -24 25 35.1 – V I52
2020-12-19 06:36:21 C 05 31 18.30 -20 16 24.5 – u 807
2020-12-19 06:42:42 C 05 31 22.05 -20 16 07.0 – u 807
2020-12-19 09:55:47 C 05 33 22.06 -20 10 01.6 – V I52
2020-12-19 09:57:13 C 05 33 22.88 -20 09 58.9 – V I52
2020-12-19 09:58:38 C 05 33 23.72 -20 09 54.3 – V I52
2020-12-19 10:00:03 C 05 33 24.66 -20 09 50.1 – V I52
2021-01-04 03:35:22 C 07 49 10.67 -05 00 22.0 – u 807
2021-01-04 03:42:31 C 07 49 11.76 -05 00 09.7 – u 807
2021-01-04 07:58:49 C 07 49 53.63 -04 54 17.1 – V V06
2021-01-04 08:03:57 C 07 49 54.38 -04 54 08.1 – V V06
2021-01-04 08:09:04 C 07 49 55.14 -04 53 59.1 – V V06
2021-01-13 05:14:01 C 08 15 46.16 +00 14 54.7 – u H21
2021-01-13 05:28:26 C 08 15 47.18 +00 15 12.6 – u H21
2021-01-13 05:38:24 C 08 15 47.89 +00 15 24.7 – u H21
2021-01-15 06:03:27 C 08 19 32.32 +01 13 51.1 – V 807
2021-01-15 06:09:10 C 08 19 32.66 +01 13 57.5 – V 807
2021-01-15 06:14:51 C 08 19 32.98 +01 14 04.0 – V 807