2021 UD2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4704486000
Semi-major axis (a)1.6895473000 AU
Inclination (i)8.90246000°
Long. of Asc. Node (Ω)25.91153000°
Arg. of Perihelion (ω)309.36640000°
Mean Anomaly (M)327.33600000°
Mean Motion (n)0.4487955600°/day
Perihelion dist (q)0.89470210 AU
Aphelion dist (Q)2.48439250 AU
Orbital Period2.19611730 yr
Physical Parameters
H (abs. magnitude)26.01
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.740″
Uncertainty8
Orbit TypeApollo
MOID0.007358 AU
Observations Used12
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-10-27
Observations (13)
Date Type RA Dec Mag Band Observatory
2021-10-21 07:54:35 C 22 57 52.853 -01 49 51.73 V F51
2021-10-23 09:54:13 C 23 49 17.993 +12 46 09.73 V F51
2021-10-26 04:59:19 C 00 29 01.43 +22 35 25.9 V G96
2021-10-26 05:06:45 C 00 29 04.34 +22 36 09.3 V G96
2021-10-26 05:14:12 C 00 29 07.25 +22 36 52.5 V G96
2021-10-26 05:21:38 C 00 29 10.23 +22 37 36.4 V G96
2021-10-27 03:25:14 C 00 38 04.33 +24 33 17.9 V G96
2021-10-27 03:26:36 C 00 38 04.78 +24 33 24.1 V G96
2021-10-27 03:27:59 C 00 38 05.27 +24 33 31.1 V G96
2021-10-27 03:29:22 C 00 38 05.72 +24 33 37.8 V G96
2021-10-27 21:37:48 C 00 44 15.60 +25 51 18.0 V L01
2021-10-27 21:43:25 C 00 44 17.27 +25 51 39.7 V L01
2021-10-27 21:47:48 C 00 44 18.53 +25 51 57.9 V L01