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
2021-01-06 12:18:16 C 13 12 54.65 +35 21 32.3 V G96
2021-01-06 12:27:15 C 13 12 54.21 +35 21 34.8 V G96
2021-01-06 12:36:15 C 13 12 53.73 +35 21 37.3 V G96
2021-01-16 13:11:40 C 12 36 34.27 +38 31 13.8 V T08
2021-01-16 13:14:19 C 12 36 32.65 +38 31 21.4 V T08
2021-01-16 13:18:25 C 12 36 30.00 +38 31 32.3 V T08
2021-01-16 13:25:42 C 12 36 25.42 +38 31 52.1 V T08
2021-01-16 19:01:24 C 12 33 14.58 +38 42 50.9 V N88
2021-01-16 19:01:56 C 12 33 14.29 +38 42 52.1 V N88
2021-01-16 19:02:26 C 12 33 13.95 +38 42 53.9 V N88
2021-01-16 19:02:57 C 12 33 13.60 +38 42 56.4 V N88
2021-01-16 19:03:27 C 12 33 13.26 +38 42 57.3 V N88
2021-01-16 21:11:14 C 12 31 53.54 +38 47 07.9 V L18
2021-01-16 21:12:29 C 12 31 52.73 +38 47 11.9 V L18
2021-01-16 21:13:44 C 12 31 51.95 +38 47 16.3 V L18
2021-01-16 21:16:14 C 12 31 50.29 +38 47 23.4 V L18
2021-01-16 21:21:14 C 12 31 47.11 +38 47 39.4 V L18
2021-01-16 21:23:44 C 12 31 45.42 +38 47 46.7 V L18
2021-01-16 23:42:27 C 12 30 12.30 +38 54 53.1 V L01
2021-01-16 23:45:04 C 12 30 10.40 +38 55 01.3 V L01
2021-01-16 23:46:11 C 12 30 09.62 +38 55 05.1 V L01
2021-01-16 23:47:19 C 12 30 08.80 +38 55 08.7 V L01
2021-01-17 04:35:36 C 12 26 31.54 +39 11 12.6 V G40
2021-01-17 04:47:33 C 12 26 21.18 +39 11 50.2 V G40
2021-01-17 04:55:18 C 12 26 14.38 +39 12 14.3 V G40
2021-01-17 08:49:16 C 12 23 17.89 +39 22 51.0 V 703
2021-01-17 08:56:59 C 12 23 10.94 +39 23 18.7 V 703
2021-01-17 09:04:42 C 12 23 03.80 +39 23 47.0 V 703
2021-01-17 22:18:05 C 12 09 45.22 +40 05 45.0 V Z80
2021-01-17 22:24:44 C 12 09 37.26 +40 06 14.6 V Z80
2021-01-17 22:31:24 C 12 09 29.23 +40 06 44.9 V Z80
2021-01-20 15:10:48 C 07 10 43.44 +29 16 02.6 V C40
2021-01-20 15:40:38 C 07 05 53.97 +28 37 02.2 V C40
2021-01-20 15:51:32 C 07 04 08.11 +28 22 31.3 V C40
2021-01-20 17:02:43 C 06 52 37.74 +26 44 25.0 V C40
2021-01-20 17:04:25 C 06 52 21.31 +26 42 00.4 V C40
2021-01-20 17:04:33 C 06 52 20.04 +26 41 49.4 V C40
2021-01-21 00:05:36 C 05 50 55.08 +15 46 43.5 V W34
2021-01-21 00:11:47 C 05 50 04.45 +15 36 53.4 V W34
2021-01-21 00:17:09 C 05 49 20.69 +15 28 22.0 V W34
2021-01-21 20:11:52 C 03 59 13.66 -08 49 11.1 V L18
2021-01-21 20:12:32 C 03 59 11.09 -08 49 42.3 V L18
2021-01-21 20:13:12 C 03 59 08.68 -08 50 13.1 V L18
2021-01-21 20:22:21 C 03 58 53.05 -08 57 47.1 V J95
2021-01-21 20:23:43 C 03 58 48.01 -08 58 50.4 V J95
2021-01-21 20:25:12 C 03 58 42.64 -08 59 58.3 V J95
2021-01-21 20:26:25 C 03 58 38.17 -09 00 54.6 V J95
2021-01-21 22:01:13 C 03 53 03.48 -10 10 43.1 V Z80
2021-01-21 22:07:52 C 03 52 40.89 -10 15 25.1 V Z80
2021-01-21 22:15:23 C 03 52 15.59 -10 20 40.7 V Z80