2021 US2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.0682431000
Semi-major axis (a)0.9742946000 AU
Inclination (i)38.37639000°
Long. of Asc. Node (Ω)35.62179000°
Arg. of Perihelion (ω)153.69178000°
Mean Anomaly (M)289.58690000°
Mean Motion (n)1.0248696500°/day
Perihelion dist (q)0.90780570 AU
Aphelion dist (Q)1.04078350 AU
Orbital Period0.96169080 yr
Physical Parameters
H (abs. magnitude)23.70
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.620″
Uncertainty7
Orbit TypeAten
MOID0.038181 AU
Observations Used133
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-11-05
Observations (139)
Date Type RA Dec Mag Band Observatory
2021-10-23 11:59:51 C 04 25 45.427 -36 58 52.99 V F51
2021-10-23 12:14:45 C 04 25 33.069 -36 57 39.16 V F51
2021-10-23 12:27:44 C 04 25 22.305 -36 56 34.54 V F51
2021-10-23 12:28:41 C 04 25 21.498 -36 56 29.83 V F51
2021-10-23 12:41:41 C 04 25 10.686 -36 55 24.64 V F51
2021-10-23 12:42:36 C 04 25 09.953 -36 55 20.17 V F51
2021-10-28 07:03:09 C 02 04 22.92 -12 56 52.1 V 703
2021-10-28 07:10:53 C 02 04 09.69 -12 53 51.6 V 703
2021-10-28 07:26:21 C 02 03 42.88 -12 47 48.4 V 703
2021-10-28 08:36:56 C 02 01 41.18 -12 20 03.1 V I52
2021-10-28 08:37:27 C 02 01 40.32 -12 19 51.0 V I52
2021-10-28 08:37:58 C 02 01 39.39 -12 19 38.4 V I52
2021-10-28 08:38:30 C 02 01 38.51 -12 19 26.1 V I52
2021-10-28 09:21:03 C 02 00 25.11 -12 02 32.9 V I52
2021-10-28 09:21:34 C 02 00 24.22 -12 02 20.5 V I52
2021-10-28 09:22:05 C 02 00 23.32 -12 02 08.0 V I52
2021-10-28 09:22:37 C 02 00 22.40 -12 01 55.4 V I52
2021-10-28 09:38:02 C 01 59 55.86 -11 55 46.7 V I52
2021-10-28 09:38:33 C 01 59 54.98 -11 55 34.3 V I52
2021-10-28 09:39:04 C 01 59 54.07 -11 55 21.9 V I52
2021-10-28 09:39:35 C 01 59 53.15 -11 55 09.1 V I52
2021-10-28 12:44:46 C 01 54 49.32 -10 37 16.3 q E23
2021-10-28 13:11:17 C 01 54 05.78 -10 30 08.2 q 900
2021-10-28 13:16:46 C 01 53 56.27 -10 27 54.3 q 900
2021-10-28 13:22:14 C 01 53 46.68 -10 25 40.5 q 900
2021-10-28 13:35:00 C 01 53 21.44 -10 16 48.0 q E23
2021-10-28 13:51:00 C 01 52 53.46 -10 10 16.2 q E23
2021-10-28 18:33:57 C 01 44 58.30 -08 16 56.3 V 246
2021-10-28 18:40:14 C 01 44 47.36 -08 14 16.7 V 246
2021-10-28 18:43:20 C 01 44 41.45 -08 12 59.5 X G02
2021-10-28 18:44:25 C 01 44 40.01 -08 12 32.0 V 246
2021-10-28 18:44:42 C 01 44 39.52 -08 12 24.1 V 246
2021-10-28 18:44:59 C 01 44 39.06 -08 12 16.7 V 246
2021-10-28 18:47:16 C 01 44 34.55 -08 11 21.1 X G02
2021-10-28 18:51:21 C 01 44 27.41 -08 09 37.9 X G02
2021-10-28 19:01:19 C 01 44 09.18 -08 05 27.5 V L18
2021-10-28 19:03:59 C 01 44 04.42 -08 04 20.5 V L18
2021-10-28 19:06:39 C 01 43 59.79 -08 03 13.0 V L18
2021-10-28 19:10:25 C 01 43 55.10 -08 01 28.9 X 595
2021-10-28 19:15:02 C 01 43 47.06 -07 59 33.5 X 595
2021-10-28 19:19:38 C 01 43 38.98 -07 57 37.0 X 595
2021-10-28 19:37:33 C 01 43 07.10 -07 50 13.1 V 113
2021-10-28 19:39:31 C 01 43 03.63 -07 49 23.8 V 113
2021-10-28 19:41:30 C 01 43 00.12 -07 48 33.2 V 113
2021-10-28 19:43:09 C 01 42 58.29 -07 47 37.7 V 104
2021-10-28 19:45:04 C 01 42 54.97 -07 46 49.6 V 104
2021-10-28 19:46:54 C 01 42 50.72 -07 46 17.1 V 113
2021-10-28 19:49:21 C 01 42 46.40 -07 45 14.9 V 113
2021-10-28 19:50:47 C 01 42 44.89 -07 44 24.4 V 104
2021-10-28 19:51:48 C 01 42 42.10 -07 44 12.6 V 113