IAA RAS IAA Minor Planet Database

2020 US1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3372135511 ± 4.81e-06
Semi-major axis (a)1.5720598477 AU ± 1.24e-05
Inclination (i)2.65733949° ± 3.46e-05
Long. of Asc. Node (Ω)110.74032304° ± 7.14e-05
Arg. of Perihelion (ω)301.42917382° ± 7.58e-05
Mean Anomaly (M)196.94505182° ± 1.13e-02
Mean Motion (n)0.5000445094°/day ± 5.93e-06
Perihelion dist (q)1.04193996 AU ± 1.12e-05
Aphelion dist (Q)2.10217973 AU ± 1.83e-05
Orbital Period1.97107710 yr ± 2.34e-05
Physical Parameters
H (abs. magnitude)25.09
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.282″
Uncertainty2
Orbit TypeAmor
MOID0.065255 AU
Observations Used55
Oppositions1
Arc Total2020-2021
First Observation Used2020-09-09
Last Observation Used2021-01-03
Observations (56)
Date Type RA Dec Mag Band Observatory
2020-09-09 10:52:29 C 00 41 26.148 -09 52 11.70 – V F51
2020-09-09 11:08:57 C 00 41 27.197 -09 52 20.62 – V F51
2020-09-09 11:25:24 C 00 41 28.202 -09 52 28.95 – V F51
2020-09-09 11:41:55 C 00 41 29.253 -09 52 37.40 – V F51
2020-09-14 09:11:58 C 00 50 37.078 -10 58 11.40 – V F51
2020-09-14 09:31:44 C 00 50 38.476 -10 58 23.93 – V F51
2020-09-14 09:51:35 C 00 50 39.877 -10 58 35.93 – V F51
2020-09-16 10:39:19 C 00 54 42.991 -11 28 29.27 – V F52
2020-09-16 10:59:54 C 00 54 44.456 -11 28 42.30 – V F52
2020-09-16 11:20:28 C 00 54 45.971 -11 28 55.83 – V F52
2020-09-16 11:40:54 C 00 54 47.438 -11 29 08.04 – V F52
2020-09-22 12:35:10 C 01 08 10.268 -13 05 25.47 – V F51
2020-09-22 12:50:26 C 01 08 11.554 -13 05 35.66 – V F51
2020-09-22 13:05:38 C 01 08 12.859 -13 05 46.41 – V F51
2020-10-10 08:06:40 C 02 07 29.65 -18 02 40.0 – V G96
2020-10-10 08:14:08 C 02 07 30.82 -18 02 43.6 – V G96
2020-10-10 08:21:37 C 02 07 32.05 -18 02 48.6 – V G96
2020-10-10 08:29:04 C 02 07 33.33 -18 02 53.3 – V G96
2020-10-18 10:19:16 C 02 49 18.068 -19 24 47.95 – U F51
2020-10-18 10:40:30 C 02 49 22.651 -19 24 53.22 – U F51
2020-10-18 11:01:12 C 02 49 27.077 -19 24 58.09 – U F51
2020-10-18 11:21:54 C 02 49 31.568 -19 25 02.38 – U F51
2020-10-18 23:06:32 C 02 52 25.90 -19 27 39.7 – V L01
2020-10-18 23:11:02 C 02 52 26.82 -19 27 41.1 – V L01
2020-10-18 23:15:31 C 02 52 27.88 -19 27 42.1 – V L01
2020-10-18 23:26:50 C 02 52 30.39 -19 27 43.6 – V L01
2020-10-19 06:49:07 C 02 54 21.95 -19 28 40.5 – V I52
2020-10-19 06:52:25 C 02 54 22.71 -19 28 41.1 – V I52
2020-10-19 06:55:44 C 02 54 23.42 -19 28 42.4 – V I52
2020-10-23 11:40:29 C 03 20 54.130 -19 26 54.41 – U F51
2020-10-23 11:56:06 C 03 20 57.978 -19 26 51.38 – U F51
2020-10-23 12:11:42 C 03 21 01.839 -19 26 47.99 – U F51
2020-10-23 12:27:17 C 03 21 05.647 -19 26 44.70 – U F51
2020-10-29 08:43:01 C 04 01 52.43 -18 20 34.2 – V I52
2020-10-29 08:48:49 C 04 01 53.95 -18 20 29.2 – V I52
2020-10-29 08:54:37 C 04 01 55.55 -18 20 25.3 – V I52
2020-11-10 07:24:50 C 05 26 00.08 -12 06 18.6 – u 807
2020-11-10 07:31:33 C 05 26 01.69 -12 06 07.1 – u 807
2020-11-10 07:37:58 C 05 26 03.21 -12 05 55.5 – u 807
2020-11-12 13:11:48 C 05 40 00.063 -10 32 37.42 – U F51
2020-11-12 13:26:51 C 05 40 03.344 -10 32 10.26 – U F51
2020-11-12 13:41:52 C 05 40 06.683 -10 31 42.14 – U F51
2020-11-12 13:56:56 C 05 40 09.993 -10 31 14.54 – U F51
2020-11-17 06:34:54 C 06 06 28.36 -06 58 25.6 – u 807
2020-11-17 06:40:46 C 06 06 29.43 -06 58 14.5 – u 807
2020-11-17 06:46:39 C 06 06 30.49 -06 58 02.5 – u 807
2020-11-19 07:36:45 C 06 16 30.76 -05 24 30.2 – u 807
2020-11-19 07:42:41 C 06 16 31.83 -05 24 18.3 – u 807
2020-11-19 07:48:37 C 06 16 32.82 -05 24 07.1 – u 807
2020-12-16 12:22:18 C 07 22 50.77 +12 24 50.7 – V V06