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
2021-10-29 20:14:59 C 01 00 15.60 +02 53 31.0 V L18
2021-10-30 05:07:46 C 00 45 00.76 +06 43 29.8 U I41
2021-10-30 05:08:17 C 00 44 59.85 +06 43 42.5 U I41
2021-10-30 05:09:09 C 00 44 58.45 +06 44 04.1 U I41
2021-10-30 05:09:39 C 00 44 57.52 +06 44 16.6 U I41
2021-10-30 20:26:54 C 00 19 24.33 +12 53 50.4 V 033
2021-10-30 20:27:18 C 00 19 23.65 +12 53 59.3 V 033
2021-10-30 20:27:43 C 00 19 22.95 +12 54 08.8 V 033
2021-10-30 21:14:06 C 00 18 07.52 +13 11 46.1 V Z80
2021-10-30 21:22:06 C 00 17 54.29 +13 14 48.3 V Z80
2021-10-30 21:30:06 C 00 17 41.03 +13 17 49.7 V Z80
2021-10-30 21:35:24 C 00 17 32.16 +13 19 45.1 V Z99
2021-10-30 21:36:37 C 00 17 30.16 +13 20 12.4 V Z99
2021-10-30 21:37:49 C 00 17 28.20 +13 20 39.4 V Z99
2021-10-30 21:39:01 C 00 17 26.20 +13 21 07.0 V Z99
2021-10-30 21:40:12 C 00 17 24.22 +13 21 34.2 V Z99
2021-10-31 04:38:42 C 00 06 16.52 +15 55 43.0 V 703
2021-10-31 04:46:25 C 00 06 04.01 +15 58 27.7 V 703
2021-10-31 04:54:10 C 00 05 51.53 +16 01 10.5 V 703
2021-10-31 07:54:07 C 00 01 02.95 +17 03 28.9 V I52
2021-10-31 07:54:22 C 00 01 02.57 +17 03 33.7 V I52
2021-10-31 07:54:36 C 00 01 02.19 +17 03 38.7 V I52
2021-10-31 07:54:50 C 00 01 01.81 +17 03 43.5 V I52
2021-10-31 17:30:12 C 23 46 46.14 +20 09 46.6 q 215
2021-10-31 17:36:46 C 23 46 36.31 +20 11 47.9 q 215
2021-10-31 17:43:20 C 23 46 26.46 +20 13 48.4 q 215
2021-10-31 18:10:12 C 23 45 44.97 +20 22 08.1 V K88
2021-10-31 18:13:02 C 23 45 40.71 +20 23 00.7 V K88
2021-10-31 18:15:53 C 23 45 36.47 +20 23 52.3 V K88
2021-10-31 23:35:17 C 23 37 58.83 +21 58 21.4 X W34
2021-10-31 23:43:54 C 23 37 46.36 +22 00 49.8 X W34
2021-10-31 23:54:37 C 23 37 30.66 +22 03 55.2 X W34
2021-11-03 19:16:38 C 22 21 02.39 +34 33 25.4 Z C95
2021-11-03 19:41:55 C 22 20 39.62 +34 36 13.7 Z C95
2021-11-03 20:07:30 C 22 20 16.67 +34 39 02.5 Z C95
2021-11-03 20:33:40 C 22 19 53.27 +34 41 52.5 Z C95
2021-11-05 02:08:28 C 21 57 10.35 +37 22 50.3 V G96
2021-11-05 02:16:58 C 21 57 04.26 +37 23 28.2 V G96
2021-11-05 02:25:24 C 21 56 58.20 +37 24 05.5 V G96