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
2021-02-20 04:50:00 C 09 13 53.58 +25 13 00.8 u H21
2021-02-20 04:53:13 C 09 13 53.74 +25 13 01.0 u H21
2021-02-20 04:56:17 C 09 13 54.02 +25 13 01.5 u H21
2021-02-21 04:53:16 C 09 16 00.50 +25 14 03.0 u H21
2021-02-21 04:58:18 C 09 16 00.93 +25 14 02.9 u H21
2021-02-21 05:02:30 C 09 16 01.27 +25 14 03.4 u H21
2021-02-21 05:06:42 C 09 16 01.63 +25 14 04.4 u H21
2021-02-21 05:11:27 C 09 16 01.98 +25 14 04.2 u H21
2021-02-23 06:54:44 C 09 20 49.40 +25 14 13.5 V I52
2021-02-23 06:57:35 C 09 20 49.65 +25 14 13.3 V I52
2021-02-23 07:00:24 C 09 20 49.89 +25 14 13.1 V I52
2021-02-23 07:22:56 C 09 20 51.86 +25 14 12.0 V I52
2021-03-02 03:45:45 C 09 41 13.43 +24 48 25.8 u H21
2021-03-02 03:48:29 C 09 41 13.78 +24 48 25.3 u H21
2021-03-02 03:51:08 C 09 41 14.13 +24 48 24.5 u H21
2021-03-03 00:28:26 C 09 44 15.95 +24 41 28.6 V K87
2021-03-03 00:37:22 C 09 44 17.20 +24 41 25.2 V K87
2021-03-03 00:46:52 C 09 44 18.54 +24 41 21.5 V K87
2021-03-03 09:52:53 C 09 45 40.85 +24 38 19.9 V I52
2021-03-03 09:57:15 C 09 45 41.48 +24 38 17.7 V I52
2021-03-03 10:05:41 C 09 45 42.69 +24 38 14.1 V I52
2021-03-04 07:09:40 C 09 49 08.019 +24 30 17.15 U F51
2021-03-04 07:28:37 C 09 49 10.750 +24 30 10.40 U F51
2021-03-04 07:47:48 C 09 49 13.497 +24 30 03.32 U F51
2021-03-04 08:07:20 C 09 49 16.275 +24 29 55.99 U F51
2021-03-04 09:43:14 C 09 49 29.82 +24 29 17.8 V T08
2021-03-04 09:47:21 C 09 49 30.38 +24 29 16.4 V T08
2021-03-04 09:54:44 C 09 49 31.50 +24 29 13.8 V T08
2021-03-04 10:16:59 C 09 49 34.69 +24 29 03.7 V T08
2021-03-07 22:10:32 C 10 04 11.21 +23 43 58.7 V K87
2021-03-07 22:23:11 C 10 04 13.39 +23 43 50.2 V K87
2021-03-07 22:35:49 C 10 04 15.57 +23 43 41.4 V K87
2021-03-10 07:23:16 C 10 15 16.79 +23 02 37.6 V 703
2021-03-10 07:30:53 C 10 15 18.23 +23 02 31.1 V 703
2021-03-10 07:46:08 C 10 15 20.90 +23 02 17.3 V 703
2021-03-11 05:47:24 C 10 19 54.71 +22 43 32.9 V G96
2021-03-11 05:54:50 C 10 19 56.11 +22 43 26.3 V G96
2021-03-11 06:02:14 C 10 19 57.51 +22 43 20.0 V G96
2021-03-11 06:09:40 C 10 19 58.92 +22 43 13.4 V G96
2021-03-14 13:47:13 C 10 37 24.87 +21 21 45.2 q D29
2021-03-14 14:07:35 C 10 37 29.15 +21 21 21.7 q D29
2021-03-14 14:27:56 C 10 37 33.37 +21 20 58.8 q D29
2021-03-16 20:03:59 C 10 50 07.26 +20 13 18.4 V 130
2021-03-16 20:12:46 C 10 50 09.29 +20 13 08.1 V 130
2021-03-18 05:53:33 C 10 58 17.10 +19 25 59.5 V G96
2021-03-18 06:01:47 C 10 58 18.95 +19 25 47.6 V G96
2021-03-18 06:10:02 C 10 58 20.79 +19 25 35.6 V G96
2021-03-18 06:18:17 C 10 58 22.64 +19 25 23.7 V G96
2021-03-18 07:11:01 C 10 58 34.45 +19 24 06.1 V 703
2021-03-18 07:18:35 C 10 58 36.14 +19 23 54.6 V 703