2021 HE2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2451107000
Semi-major axis (a)1.3776758000 AU
Inclination (i)9.39636000°
Long. of Asc. Node (Ω)201.41537000°
Arg. of Perihelion (ω)11.16004000°
Mean Anomaly (M)300.10043000°
Mean Motion (n)0.6095137600°/day
Perihelion dist (q)1.03999270 AU
Aphelion dist (Q)1.71535890 AU
Orbital Period1.61703920 yr
Physical Parameters
H (abs. magnitude)25.81
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.700″
Uncertainty6
Orbit TypeAmor
MOID0.039677 AU
Observations Used54
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-05-11
Observations (54)
Date Type RA Dec Mag Band Observatory
2021-04-26 00:38:57 C 16 04 12.62 +32 34 51.5 V 033
2021-04-26 00:40:47 C 16 04 13.28 +32 34 57.3 V 033
2021-05-11 13:39:27 C 17 36 45.065 +40 22 32.02 V T12
2021-05-11 13:52:02 C 17 36 46.338 +40 22 34.25 V T12