2021 UA12

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1482184399 ± 1.85e-05
Semi-major axis (a)1.0699830091 AU ± 1.22e-05
Inclination (i)4.15808289° ± 7.09e-04
Long. of Asc. Node (Ω)222.44601873° ± 2.22e-04
Arg. of Perihelion (ω)253.49496251° ± 2.78e-04
Mean Anomaly (M)177.40458914° ± 2.11e-02
Mean Motion (n)0.8905267186°/day ± 1.52e-05
Perihelion dist (q)0.91139180 AU ± 2.24e-05
Aphelion dist (Q)1.22857422 AU ± 2.43e-05
Orbital Period1.10679024 yr ± 1.90e-05
Physical Parameters
H (abs. magnitude)28.60
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.233″
Uncertainty2
Orbit TypeApollo
MOID0.005826 AU
Observations Used55
Oppositions1
Arc Total2021-2021
First Observation Used2021-10-31
Last Observation Used2021-11-09
Observations (56)
Date Type RA Dec Mag Band Observatory
2021-11-06 20:46:00 C 01 41 52.47 +01 17 06.2 V 033
2021-11-06 20:46:24 C 01 41 52.43 +01 16 56.3 V 033
2021-11-09 04:30:58 C 01 48 18.93 -31 27 12.0 V I52
2021-11-09 04:31:41 C 01 48 18.80 -31 27 45.5 V I52
2021-11-09 04:32:24 C 01 48 18.71 -31 28 19.5 V I52
2021-11-09 04:33:06 C 01 48 18.62 -31 28 53.4 V I52