2021 BW1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1877061253 ± 1.58e-05
Semi-major axis (a)0.8835884644 AU ± 2.47e-05
Inclination (i)0.91884202° ± 3.47e-04
Long. of Asc. Node (Ω)100.28455522° ± 3.79e-03
Arg. of Perihelion (ω)217.89727162° ± 1.30e-03
Mean Anomaly (M)92.34851754° ± 5.33e-02
Mean Motion (n)1.1866898291°/day ± 4.97e-05
Perihelion dist (q)0.71773350 AU ± 2.44e-05
Aphelion dist (Q)1.04944343 AU ± 3.25e-05
Orbital Period0.83056773 yr ± 3.48e-05
Physical Parameters
H (abs. magnitude)26.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.174″
Uncertainty2
Orbit TypeAten
MOID0.001800 AU
Observations Used30
Oppositions1
Arc Total2021-2021
First Observation Used2021-01-14
Last Observation Used2021-03-02
Observations (31)
Date Type RA Dec Mag Band Observatory
2021-01-14 15:25:09 C 10 23 46.014 +15 19 04.91 V F51
2021-01-14 15:32:58 C 10 23 43.395 +15 19 23.13 V F51
2021-01-14 15:40:48 C 10 23 40.795 +15 19 41.28 V F51
2021-01-14 15:48:37 C 10 23 38.208 +15 20 00.13 V F51
2021-01-16 14:47:21 C 10 08 53.371 +17 16 54.41 U F51
2021-01-16 15:00:41 C 10 08 48.551 +17 17 26.69 U F51
2021-01-16 15:14:00 C 10 08 43.635 +17 17 58.68 U F51
2021-01-17 10:20:45 C 10 02 33.824 +18 05 51.93 V 568
2021-01-17 10:22:29 C 10 02 33.175 +18 05 56.43 V 568
2021-01-17 10:23:54 C 10 02 32.653 +18 06 00.08 V 568
2021-01-18 08:54:45 C 09 54 52.142 +19 01 58.11 V 568
2021-01-18 08:56:10 C 09 54 51.614 +19 02 01.86 V 568
2021-01-18 08:57:35 C 09 54 51.080 +19 02 05.61 V 568
2021-01-18 09:53:05 C 09 54 22.70 +19 04 08.4 V G96
2021-01-18 10:15:10 C 09 54 14.22 +19 05 01.9 V G96
2021-01-18 11:08:11 C 09 53 53.73 +19 07 11.9 o 691
2021-01-18 11:34:28 C 09 53 43.72 +19 08 14.8 o 691
2021-01-18 12:00:44 C 09 53 33.67 +19 09 17.1 o 691
2021-01-31 04:42:50 C 08 00 23.25 +28 39 49.4 V 695
2021-01-31 04:59:19 C 08 00 17.05 +28 40 08.7 V 695
2021-02-06 03:28:10 C 07 17 00.05 +30 15 41.3 V V06
2021-02-06 03:38:26 C 07 16 57.02 +30 15 46.8 V V06
2021-02-06 03:48:42 C 07 16 54.05 +30 15 51.6 V V06
2021-02-07 06:47:04 C 07 09 58.79 +30 24 40.3 o 291
2021-02-07 06:58:20 C 07 09 55.68 +30 24 42.5 o 291
2021-02-19 03:47:17 C 06 22 49.067 +30 30 41.69 V G37
2021-02-19 03:48:01 C 06 22 48.979 +30 30 41.70 V G37
2021-02-19 03:48:44 C 06 22 48.892 +30 30 41.53 V G37
2021-02-19 03:49:28 C 06 22 48.799 +30 30 41.59 V G37
2021-03-02 03:13:49 C 06 07 00.180 +29 55 14.86 V G37
2021-03-02 03:19:34 C 06 06 59.887 +29 55 13.96 V G37