2021 SM3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4801960000
Semi-major axis (a)1.5059573000 AU
Inclination (i)16.06139000°
Long. of Asc. Node (Ω)23.08474000°
Arg. of Perihelion (ω)71.20389000°
Mean Anomaly (M)52.81330000°
Mean Motion (n)0.5333165900°/day
Perihelion dist (q)0.78280260 AU
Aphelion dist (Q)2.22911200 AU
Orbital Period1.84807240 yr
Physical Parameters
H (abs. magnitude)22.78
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.770″
Uncertainty7
Orbit TypeApollo
MOID0.003012 AU
Observations Used56
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-10-11
Observations (56)
Date Type RA Dec Mag Band Observatory
2021-10-11 01:06:54 C 04 27 35.77 -00 17 55.9 V A17
2021-10-11 01:41:36 C 04 28 07.47 -00 11 50.0 V A17
2021-10-11 10:49:09 C 04 37 20.22 +01 31 14.8 V T05
2021-10-11 10:53:48 C 04 37 24.92 +01 32 09.5 V T05
2021-10-11 11:30:22 C 04 38 02.11 +01 39 21.6 V T05
2021-10-11 11:39:38 C 04 38 11.56 +01 41 11.8 V T05