2021 US

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5995153000
Semi-major axis (a)2.4092119000 AU
Inclination (i)7.27271000°
Long. of Asc. Node (Ω)22.01583000°
Arg. of Perihelion (ω)336.74291000°
Mean Anomaly (M)39.04030000°
Mean Motion (n)0.2635673400°/day
Perihelion dist (q)0.96485250 AU
Aphelion dist (Q)3.85357130 AU
Orbital Period3.73949110 yr
Physical Parameters
H (abs. magnitude)26.23
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.530″
Uncertainty6
Orbit TypeApollo
MOID0.002086 AU
Observations Used28
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-11-12
Observations (29)
Date Type RA Dec Mag Band Observatory
2021-10-24 06:19:47 C 00 25 57.89 +43 03 03.8 V G96
2021-10-24 06:27:17 C 00 26 07.96 +43 03 53.9 V G96
2021-10-24 06:42:17 C 00 26 27.92 +43 05 33.9 V G96
2021-10-24 08:34:37 C 00 28 56.29 +43 17 10.3 V G96
2021-10-24 08:36:14 C 00 28 58.40 +43 17 20.1 V G96
2021-10-24 08:37:55 C 00 29 00.69 +43 17 30.2 V G96
2021-10-24 08:39:08 C 00 29 02.28 +43 17 37.5 V G96
2021-10-24 18:46:51 C 00 42 53.79 +44 14 27.1 X Z41
2021-10-24 18:49:09 C 00 42 56.59 +44 14 39.4 X Z41
2021-10-24 19:29:27 C 00 43 40.67 +44 18 26.2 V L01
2021-10-24 19:31:42 C 00 43 43.28 +44 18 38.0 V L01
2021-10-24 19:33:56 C 00 43 46.01 +44 18 50.1 V L01
2021-10-24 19:35:48 C 00 43 48.29 +44 18 58.7 V L01
2021-10-24 19:38:37 C 00 43 51.57 +44 19 14.6 V L01
2021-10-24 20:06:28 C 00 44 28.01 +44 21 26.4 V I93
2021-10-24 20:10:28 C 00 44 32.76 +44 21 47.6 V I93
2021-10-24 20:14:28 C 00 44 37.46 +44 22 08.5 V I93
2021-10-24 23:06:11 C 00 47 56.76 +44 35 33.9 V J95
2021-10-24 23:14:17 C 00 48 06.07 +44 36 10.5 V J95
2021-10-24 23:22:13 C 00 48 15.16 +44 36 46.0 V J95
2021-10-27 08:10:40 C 01 40 58.83 +47 00 32.8 V V06
2021-10-27 08:12:35 C 01 41 00.09 +47 00 35.1 V V06
2021-10-27 08:14:32 C 01 41 01.33 +47 00 36.5 V V06
2021-10-27 08:16:27 C 01 41 02.62 +47 00 38.6 V V06
2021-10-29 09:11:33 C 02 09 00.07 +47 31 08.0 V V00
2021-10-29 09:18:34 C 02 09 03.02 +47 31 08.4 V V00
2021-10-29 09:25:34 C 02 09 05.96 +47 31 08.1 V V00
2021-10-29 09:32:34 C 02 09 08.90 +47 31 08.4 V V00
2021-11-12 12:00:25 C 03 11 44.832 +45 43 55.12 V T12