2021 AO4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4472782000
Semi-major axis (a)1.2099296000 AU
Inclination (i)14.42617000°
Long. of Asc. Node (Ω)106.76557000°
Arg. of Perihelion (ω)265.18832000°
Mean Anomaly (M)279.77308000°
Mean Motion (n)0.7405662300°/day
Perihelion dist (q)0.66875450 AU
Aphelion dist (Q)1.75110470 AU
Orbital Period1.33088380 yr
Physical Parameters
H (abs. magnitude)27.64
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.600″
Uncertainty8
Orbit TypeApollo
MOID0.010313 AU
Observations Used9
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-01-09
Observations (9)
Date Type RA Dec Mag Band Observatory
2021-01-07 07:20:58 C 08 24 06.26 +24 34 12.0 V G96
2021-01-07 07:28:33 C 08 23 59.32 +24 36 53.9 V G96
2021-01-07 07:36:05 C 08 23 52.21 +24 39 35.4 V G96
2021-01-07 07:43:36 C 08 23 45.30 +24 42 13.3 V G96
2021-01-07 10:31:02 C 08 21 13.49 +25 39 04.3 V G96
2021-01-07 10:32:42 C 08 21 12.03 +25 39 36.8 V G96
2021-01-07 10:34:23 C 08 21 10.54 +25 40 09.0 V G96
2021-01-09 08:36:20 C 07 54 05.47 +35 32 43.7 V I52
2021-01-09 08:50:51 C 07 53 58.38 +35 34 41.3 V I52