IAA RAS IAA Minor Planet Database

2021 BL

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6264023000
Semi-major axis (a)2.3806388000 AU
Inclination (i)7.13788000°
Long. of Asc. Node (Ω)121.59283000°
Arg. of Perihelion (ω)40.46059000°
Mean Anomaly (M)106.38037000°
Mean Motion (n)0.2683266500°/day
Perihelion dist (q)0.88940120 AU
Aphelion dist (Q)3.87187640 AU
Orbital Period3.67316350 yr
Physical Parameters
H (abs. magnitude)26.00
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.350″
Uncertainty6
Orbit TypeApollo
MOID0.001896 AU
Observations Used17
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-01-17
Observations (17)
Date Type RA Dec Mag Band Observatory
2021-01-09 08:06:48 C 05 35 26.521 -00 53 11.32 – V F51
2021-01-09 08:26:52 C 05 35 23.606 -00 53 31.42 – V F51
2021-01-09 08:46:58 C 05 35 20.712 -00 53 51.37 – V F51
2021-01-17 07:01:57 C 04 24 17.259 -10 21 56.94 – U F51
2021-01-17 07:19:33 C 04 23 53.578 -10 24 40.57 – U F51
2021-01-17 07:36:57 C 04 23 30.018 -10 27 22.92 – U F51
2021-01-17 09:37:05 C 04 20 43.543 -10 46 15.70 – V 568
2021-01-17 09:40:00 C 04 20 39.463 -10 46 43.62 – V 568
2021-01-17 09:46:34 C 04 20 30.256 -10 47 46.69 – V 568
2021-01-17 19:17:42 C 04 06 33.99 -12 34 05.2 – V L01
2021-01-17 19:24:44 C 04 06 21.44 -12 35 30.8 – V L01
2021-01-17 19:25:19 C 04 06 20.44 -12 35 38.1 – V L01
2021-01-17 19:56:28 C 04 05 29.59 -12 41 54.9 – V I93
2021-01-17 20:02:22 C 04 05 18.90 -12 43 06.3 – V I93
2021-01-17 20:08:24 C 04 05 07.89 -12 44 21.5 – V I93
2021-01-17 21:32:41 C 04 02 28.90 -13 01 53.8 – V 204
2021-01-17 21:48:23 C 04 01 59.41 -13 05 11.5 – V 204