IAA RAS IAA Minor Planet Database

2021 BL1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4031402000
Semi-major axis (a)1.6713112000 AU
Inclination (i)2.74828000°
Long. of Asc. Node (Ω)297.85886000°
Arg. of Perihelion (ω)162.52396000°
Mean Anomaly (M)93.21696000°
Mean Motion (n)0.4561609500°/day
Perihelion dist (q)0.99753850 AU
Aphelion dist (Q)2.34508390 AU
Orbital Period2.16065780 yr
Physical Parameters
H (abs. magnitude)27.98
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual1.220″
Uncertainty7
Orbit TypeApollo
MOID0.018069 AU
Observations Used17
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-01-19
Observations (18)
Date Type RA Dec Mag Band Observatory
2021-01-17 05:07:39 C 06 56 26.95 +25 15 47.6 – V G96
2021-01-17 05:15:02 C 06 56 34.98 +25 14 56.3 – V G96
2021-01-17 05:22:26 C 06 56 43.21 +25 14 03.4 – V G96
2021-01-18 05:04:26 C 07 23 03.19 +22 21 06.8 – V G96
2021-01-18 05:19:15 C 07 23 17.47 +22 19 20.6 – V G96
2021-01-18 05:26:40 C 07 23 24.49 +22 18 28.8 – V G96
2021-01-18 08:33:37 C 07 26 20.77 +21 55 45.3 – V I52
2021-01-18 08:37:53 C 07 26 24.80 +21 55 13.1 – V I52
2021-01-18 11:16:46 C 07 28 55.67 +21 35 13.5 – V V06
2021-01-18 11:18:01 C 07 28 56.79 +21 35 03.3 – V V06
2021-01-18 19:51:53 C 07 37 48.97 +20 32 37.5 – V I93
2021-01-18 20:10:20 C 07 38 05.79 +20 30 30.1 – V I93
2021-01-18 20:50:23 C 07 38 38.57 +20 26 04.2 – V L01
2021-01-18 20:56:00 C 07 38 43.54 +20 25 24.6 – V L01
2021-01-18 20:57:52 C 07 38 45.17 +20 25 11.9 – V L01
2021-01-19 05:15:33 C 07 46 11.76 +19 32 52.1 – u 807
2021-01-19 05:25:06 C 07 46 19.54 +19 31 43.5 – u 807
2021-01-19 05:34:40 C 07 46 27.29 +19 30 36.2 – u 807