2022 UD21

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3750072041 ± 1.86e-07
Semi-major axis (a)1.5847545270 AU ± 3.15e-09
Inclination (i)18.36444742° ± 2.48e-05
Long. of Asc. Node (Ω)217.92469846° ± 1.48e-06
Arg. of Perihelion (ω)207.54515666° ± 1.30e-04
Mean Anomaly (M)179.10460415° ± 5.22e-05
Mean Motion (n)0.4940481468°/day ± 1.47e-09
Perihelion dist (q)0.99046016 AU ± 2.95e-07
Aphelion dist (Q)2.17904889 AU ± 2.95e-07
Orbital Period1.99500047 yr ± 5.95e-09
Physical Parameters
H (abs. magnitude)25.58
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.401″
Uncertainty0
Orbit TypeApollo
MOID0.026292 AU
Observations Used102
Oppositions1
Arc Total2022-2024
First Observation Used2022-10-27
Last Observation Used2024-11-01
Observations (110)
Date Type RA Dec Mag Band Observatory
2024-11-01 02:37:02 B 04 35 51.396 +02 55 23.27 X C95
2024-11-01 02:44:15 B 04 35 58.454 +02 52 02.28 X C95
2024-11-01 02:51:19 B 04 36 05.410 +02 48 44.53 X C95
2024-11-01 09:01:14 C 04 42 32.267 -00 01 24.89 V G96
2024-11-01 09:08:39 C 04 42 39.301 -00 04 48.36 V G96
2024-11-01 09:16:04 C 04 42 46.336 -00 08 12.48 V G96
2024-11-01 09:23:30 C 04 42 53.363 -00 11 34.87 V G96
2024-11-01 22:26:32 B 04 56 02.58 -06 02 58.8 X M45
2024-11-01 22:28:54 B 04 56 04.78 -06 04 01.0 X M45
2024-11-01 22:31:12 B 04 56 06.92 -06 05 02.1 X M45