2021 UA2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3056229000
Semi-major axis (a)1.5048182000 AU
Inclination (i)28.29757000°
Long. of Asc. Node (Ω)215.12545000°
Arg. of Perihelion (ω)211.75452000°
Mean Anomaly (M)55.23355000°
Mean Motion (n)0.5339222500°/day
Perihelion dist (q)1.04491130 AU
Aphelion dist (Q)1.96472510 AU
Orbital Period1.84597600 yr
Physical Parameters
H (abs. magnitude)24.76
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.960″
Uncertainty8
Orbit TypeAmor
MOID0.085483 AU
Observations Used23
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-10-28
Observations (25)
Date Type RA Dec Mag Band Observatory
2021-10-25 07:11:44 C 00 49 36.48 +30 01 39.7 V G96
2021-10-25 07:19:09 C 00 49 37.77 +30 00 28.8 V G96
2021-10-25 07:34:03 C 00 49 40.34 +29 58 04.7 V G96
2021-10-26 05:51:59 C 00 54 03.70 +26 14 09.8 V G96
2021-10-26 05:59:23 C 00 54 04.96 +26 12 52.5 V G96
2021-10-26 06:14:10 C 00 54 07.56 +26 10 17.2 V G96
2021-10-27 03:50:38 C 00 58 28.78 +22 14 52.3 V G96
2021-10-27 04:01:18 C 00 58 30.73 +22 12 52.6 V G96
2021-10-27 04:08:55 C 00 58 32.09 +22 11 25.7 V G96
2021-10-27 04:19:37 C 00 58 34.01 +22 09 24.1 V G96
2021-10-27 05:06:06 C 00 58 40.32 +22 00 30.9 u H21
2021-10-27 05:14:11 C 00 58 41.79 +21 58 59.8 u H21
2021-10-27 05:22:00 C 00 58 43.20 +21 57 30.6 u H21
2021-10-27 07:09:08 C 00 59 04.26 +21 37 21.2 V V06
2021-10-27 07:11:53 C 00 59 04.75 +21 36 49.5 V V06
2021-10-27 07:14:39 C 00 59 05.27 +21 36 18.0 V V06
2021-10-27 21:00:44 C 01 01 54.92 +18 55 29.9 V L01
2021-10-27 21:02:59 C 01 01 55.32 +18 55 03.0 V L01
2021-10-27 21:05:13 C 01 01 55.70 +18 54 35.6 V L01
2021-10-27 21:07:37 C 01 01 56.24 +18 54 08.0 V L01
2021-10-27 21:09:40 C 01 01 56.64 +18 53 43.5 V L01
2021-10-28 07:44:14 C 01 04 03.25 +16 46 19.0 V I52
2021-10-28 07:47:58 C 01 04 03.93 +16 45 33.2 V I52
2021-10-28 07:48:34 C 01 04 04.02 +16 45 25.7 V I52
2021-10-28 07:49:11 C 01 04 04.12 +16 45 17.6 V I52