2021 AB

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6491595000
Semi-major axis (a)2.5127228000 AU
Inclination (i)1.42596000°
Long. of Asc. Node (Ω)293.09342000°
Arg. of Perihelion (ω)213.44249000°
Mean Anomaly (M)72.21921000°
Mean Motion (n)0.2474498500°/day
Perihelion dist (q)0.88156490 AU
Aphelion dist (Q)4.14388070 AU
Orbital Period3.98306020 yr
Physical Parameters
H (abs. magnitude)25.19
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.750″
Uncertainty7
Orbit TypeApollo
MOID0.003901 AU
Observations Used54
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-01-03
Observations (55)
Date Type RA Dec Mag Band Observatory
2021-01-03 16:51:58 C 23 59 34.89 +47 17 39.0 V L01
2021-01-03 16:54:05 C 23 59 05.76 +47 17 03.7 V L01
2021-01-03 17:35:06 C 23 49 33.01 +47 03 25.3 V 595
2021-01-03 17:44:16 C 23 47 23.10 +46 59 54.1 V 595
2021-01-03 18:10:12 C 23 41 13.39 +46 48 53.7 V 595