2021 BC

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4347591000
Semi-major axis (a)0.7060560000 AU
Inclination (i)21.25612000°
Long. of Asc. Node (Ω)300.48599000°
Arg. of Perihelion (ω)345.99866000°
Mean Anomaly (M)263.80965000°
Mean Motion (n)1.6612896500°/day
Perihelion dist (q)0.39909170 AU
Aphelion dist (Q)1.01302030 AU
Orbital Period0.59327870 yr
Physical Parameters
H (abs. magnitude)24.30
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.360″
Uncertainty6
Orbit TypeAten
MOID0.005392 AU
Observations Used55
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-01-22
Observations (59)
Date Type RA Dec Mag Band Observatory
2021-01-22 00:48:30 C 03 44 51.86 -12 00 56.3 u H21
2021-01-22 00:50:12 C 03 44 46.61 -12 02 00.0 u H21
2021-01-22 00:53:34 C 03 44 36.12 -12 04 06.3 u H21
2021-01-22 00:55:15 C 03 44 30.87 -12 05 09.4 u H21
2021-01-22 00:56:57 C 03 44 25.64 -12 06 12.4 u H21
2021-01-22 00:58:38 C 03 44 20.40 -12 07 15.4 u H21
2021-01-22 01:00:19 C 03 44 15.18 -12 08 18.2 u H21
2021-01-22 01:02:00 C 03 44 09.98 -12 09 20.6 u H21
2021-01-22 01:03:44 C 03 44 04.64 -12 10 25.0 u H21