2021 HM

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4411661000
Semi-major axis (a)1.8019748000 AU
Inclination (i)4.92676000°
Long. of Asc. Node (Ω)208.73574000°
Arg. of Perihelion (ω)356.09109000°
Mean Anomaly (M)324.77855000°
Mean Motion (n)0.4074562700°/day
Perihelion dist (q)1.00700460 AU
Aphelion dist (Q)2.59694500 AU
Orbital Period2.41892870 yr
Physical Parameters
H (abs. magnitude)25.50
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.660″
Uncertainty5
Orbit TypeAmor
MOID0.003101 AU
Observations Used144
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-04-24
Observations (153)
Date Type RA Dec Mag Band Observatory
2021-04-24 11:36:56 C 18 52 58.57 +02 01 13.6 o 691
2021-04-24 11:44:46 C 18 52 59.94 +02 01 27.3 o 691
2021-04-24 11:47:55 C 18 53 00.43 +02 01 32.7 o 691