2021 UC

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2316528000
Semi-major axis (a)1.2782237000 AU
Inclination (i)29.97293000°
Long. of Asc. Node (Ω)21.61905000°
Arg. of Perihelion (ω)316.51330000°
Mean Anomaly (M)328.90172000°
Mean Motion (n)0.6820147700°/day
Perihelion dist (q)0.98211960 AU
Aphelion dist (Q)1.57432780 AU
Orbital Period1.44514130 yr
Physical Parameters
H (abs. magnitude)25.91
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.540″
Uncertainty8
Orbit TypeApollo
MOID0.035190 AU
Observations Used21
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-10-18
Observations (21)
Date Type RA Dec Mag Band Observatory
2021-10-16 07:51:36 C 00 43 35.84 +20 56 01.2 V G96
2021-10-16 08:08:05 C 00 43 17.95 +21 02 13.0 V G96
2021-10-16 08:16:19 C 00 43 08.94 +21 05 19.5 V G96
2021-10-16 10:07:22 C 00 41 09.49 +21 46 33.6 V G96
2021-10-16 10:08:56 C 00 41 07.83 +21 47 08.1 V G96
2021-10-16 10:10:30 C 00 41 06.15 +21 47 42.7 V G96
2021-10-16 22:33:25 C 00 28 52.87 +26 03 52.0 V L01
2021-10-16 22:35:42 C 00 28 50.52 +26 04 35.3 V L01
2021-10-16 22:38:17 C 00 28 47.93 +26 05 24.9 V L01
2021-10-16 22:40:53 C 00 28 45.27 +26 06 15.5 V L01
2021-10-16 22:43:11 C 00 28 43.00 +26 06 59.7 V L01
2021-10-17 03:21:43 C 00 24 22.90 +27 33 53.2 u H21
2021-10-17 03:27:16 C 00 24 17.43 +27 35 34.4 u H21
2021-10-17 03:30:03 C 00 24 14.69 +27 36 24.7 u H21
2021-10-17 03:33:56 C 00 24 10.85 +27 37 35.2 u H21
2021-10-17 05:06:24 C 00 22 45.63 +28 05 25.9 V 654
2021-10-17 05:33:14 C 00 22 19.34 +28 13 23.8 V 654
2021-10-17 06:02:08 C 00 21 51.05 +28 21 54.0 V 654
2021-10-18 04:12:02 C 00 02 30.02 +34 01 24.9 u H21
2021-10-18 04:20:22 C 00 02 22.84 +34 03 15.2 u H21
2021-10-18 04:23:31 C 00 02 20.14 +34 03 57.1 u H21