2021 BA1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5221780902 ± 1.40e-06
Semi-major axis (a)2.3264340931 AU ± 8.39e-06
Inclination (i)1.25906643° ± 2.92e-06
Long. of Asc. Node (Ω)65.43888731° ± 1.83e-05
Arg. of Perihelion (ω)112.06933883° ± 1.81e-05
Mean Anomaly (M)113.82606554° ± 2.53e-03
Mean Motion (n)0.2777641202°/day ± 1.50e-06
Perihelion dist (q)1.11162118 AU ± 5.16e-06
Aphelion dist (Q)3.54124700 AU ± 1.32e-05
Orbital Period3.54842909 yr ± 1.92e-05
Physical Parameters
H (abs. magnitude)22.66
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.092″
Uncertainty1
Orbit TypeAmor
MOID0.117775 AU
Observations Used385
Oppositions1
Arc Total2021-2021
First Observation Used2021-01-16
Last Observation Used2021-05-15
Observations (445)
Date Type RA Dec Mag Band Observatory
2021-01-16 09:15:17 C 08 43 01.036 +22 20 23.62 U F51
2021-01-16 09:33:15 C 08 43 01.293 +22 20 27.30 U F51
2021-01-16 09:51:15 C 08 43 01.517 +22 20 31.04 U F51
2021-01-16 10:09:41 C 08 43 01.750 +22 20 35.01 U F51
2021-01-17 05:22:00 C 08 43 25.34 +22 24 06.1 V I52
2021-01-17 06:07:27 C 08 43 25.80 +22 24 20.2 V I52
2021-01-17 10:09:56 C 08 43 30.231 +22 25 14.75 V 568
2021-01-17 10:11:20 C 08 43 30.248 +22 25 15.02 V 568
2021-01-17 10:12:45 C 08 43 30.265 +22 25 15.31 V 568
2021-01-18 07:35:08 C 08 43 55.22 +22 29 25.7 V G96
2021-01-18 07:42:33 C 08 43 55.30 +22 29 27.2 V G96
2021-01-18 07:49:57 C 08 43 55.39 +22 29 28.9 V G96
2021-01-18 07:57:22 C 08 43 55.48 +22 29 30.4 V G96
2021-01-18 11:28:04 C 08 43 58.28 +22 30 10.6 o 691
2021-01-18 11:54:21 C 08 43 58.67 +22 30 15.6 o 691
2021-02-02 04:28:58 C 08 51 48.15 +23 52 26.1 u H21
2021-02-02 04:37:20 C 08 51 48.32 +23 52 28.4 u H21
2021-02-07 05:51:41 C 08 55 45.78 +24 21 51.0 V I52
2021-02-07 06:00:47 C 08 55 46.02 +24 21 53.4 V I52
2021-02-07 06:41:36 C 08 55 47.13 +24 22 03.5 V I52
2021-02-09 04:52:48 C 08 57 39.32 +24 32 28.5 U I41
2021-02-09 05:39:03 C 08 57 40.87 +24 32 40.4 U I41
2021-02-09 07:29:47 C 08 57 44.34 +24 33 06.5 U I41
2021-02-09 07:36:12 C 08 57 44.53 +24 33 07.7 U I41
2021-02-09 09:15:31 C 08 57 47.69 +24 33 28.0 U I41
2021-02-10 11:11:06 C 08 58 57.099 +24 39 13.09 U F52
2021-02-10 11:27:05 C 08 58 57.632 +24 39 16.11 U F52
2021-02-10 11:42:49 C 08 58 58.173 +24 39 18.93 U F52
2021-02-10 11:58:36 C 08 58 58.711 +24 39 21.73 U F52
2021-02-11 21:22:28 C 09 00 38.09 +24 45 55.7 V K14
2021-02-11 21:48:42 C 09 00 39.11 +24 46 01.7 V K14
2021-02-11 22:25:10 C 09 00 40.54 +24 46 09.8 V K14
2021-02-11 22:51:24 C 09 00 41.60 +24 46 15.2 V K14
2021-02-12 08:08:08 C 09 01 11.214 +24 48 16.05 U F51
2021-02-12 08:25:50 C 09 01 11.907 +24 48 20.08 U F51
2021-02-12 08:43:26 C 09 01 12.590 +24 48 23.88 U F51
2021-02-12 09:00:59 C 09 01 13.277 +24 48 27.63 U F51
2021-02-15 03:06:47 C 09 04 56.48 +24 59 39.2 q Z38
2021-02-15 04:24:29 C 09 05 00.69 +24 59 45.7 q Z38
2021-02-16 09:05:15 C 09 06 55.19 +25 04 21.4 V T08
2021-02-16 09:39:00 C 09 06 56.97 +25 04 27.5 V T08
2021-02-16 10:02:27 C 09 06 58.19 +25 04 29.3 V T08
2021-02-16 10:07:51 C 09 06 58.63 +25 04 30.0 V T08
2021-02-17 06:15:39 C 09 08 23.04 +25 06 51.7 V 703
2021-02-17 06:32:08 C 09 08 23.90 +25 06 53.0 V 703
2021-02-17 06:40:23 C 09 08 24.39 +25 06 55.3 V 703
2021-02-18 07:11:42 C 09 10 12.20 +25 09 34.5 V G96
2021-02-18 07:27:59 C 09 10 13.21 +25 09 35.8 V G96
2021-02-18 07:35:28 C 09 10 13.68 +25 09 36.5 V G96
2021-02-18 07:42:59 C 09 10 14.14 +25 09 37.1 V G96