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
2021-03-30 23:22:13 C 12 14 26.10 +09 54 15.7 V 160
2021-03-30 23:26:47 C 12 14 27.12 +09 54 06.6 V 160
2021-03-31 10:53:45 C 12 17 05.34 +09 30 09.7 V I52
2021-03-31 10:58:54 C 12 17 06.57 +09 30 00.0 V I52
2021-03-31 11:05:37 C 12 17 08.03 +09 29 43.7 V I52
2021-03-31 11:10:46 C 12 17 09.24 +09 29 34.0 V I52
2021-03-31 19:38:58 C 12 19 14.34 +09 11 30.2 V 246
2021-03-31 19:40:46 C 12 19 14.79 +09 11 26.3 V 246
2021-03-31 19:41:34 C 12 19 14.91 +09 11 23.6 V 246
2021-03-31 19:42:01 C 12 19 15.03 +09 11 23.3 V 246
2021-04-01 00:05:40 C 12 20 12.76 +09 02 10.5 V K87
2021-04-01 00:10:59 C 12 20 13.88 +09 01 59.6 V K87
2021-04-01 00:16:18 C 12 20 15.03 +09 01 48.4 V K87
2021-04-02 04:53:02 C 12 26 51.13 +08 02 02.1 V U68
2021-04-02 04:57:50 C 12 26 52.18 +08 01 52.4 V U68
2021-04-02 05:04:03 C 12 26 53.54 +08 01 40.5 V U68
2021-04-02 05:08:51 C 12 26 54.55 +08 01 30.1 V U68
2021-04-02 05:37:16 C 12 27 00.47 +08 00 30.9 V U68
2021-04-02 05:42:06 C 12 27 01.48 +08 00 21.0 V U68
2021-04-02 05:48:21 C 12 27 02.81 +08 00 07.7 V U68
2021-04-02 05:53:09 C 12 27 03.83 +07 59 58.0 V U68
2021-04-02 09:18:43 C 12 27 49.20 +07 53 10.0 V T05
2021-04-02 09:21:21 C 12 27 49.71 +07 53 04.5 V T05
2021-04-02 09:25:19 C 12 27 50.54 +07 52 56.4 V T05
2021-04-02 09:35:51 C 12 27 52.69 +07 52 34.1 V T05
2021-04-04 00:05:28 C 12 36 18.88 +06 32 09.5 V K87
2021-04-04 00:09:54 C 12 36 19.74 +06 32 01.0 V K87
2021-04-04 00:14:21 C 12 36 20.62 +06 31 51.8 V K87
2021-04-04 07:44:30 C 12 37 57.43 +06 16 46.0 V 703
2021-04-04 07:52:40 C 12 37 58.98 +06 16 29.3 V 703
2021-04-04 08:00:50 C 12 38 00.57 +06 16 12.5 V 703
2021-04-04 08:08:59 C 12 38 02.17 +06 15 55.8 V 703
2021-04-04 09:11:29 C 12 38 17.76 +06 14 03.3 V T08
2021-04-04 09:15:28 C 12 38 18.56 +06 13 55.6 V T08
2021-04-04 09:19:27 C 12 38 19.31 +06 13 47.6 V T08
2021-04-04 09:30:05 C 12 38 21.35 +06 13 25.6 V T08
2021-04-04 15:06:59 C 12 39 32.89 +06 01 40.6 q D29
2021-04-04 15:27:21 C 12 39 36.83 +06 00 59.0 q D29
2021-04-04 15:47:43 C 12 39 40.75 +06 00 17.6 q D29
2021-04-04 23:01:14 C 12 41 11.98 +05 45 16.6 V K87
2021-04-04 23:04:39 C 12 41 11.89 +05 46 47.5 o K95
2021-04-04 23:06:57 C 12 41 13.10 +05 45 05.1 V K87
2021-04-04 23:12:41 C 12 41 14.24 +05 44 53.6 V K87
2021-04-04 23:20:36 C 12 41 14.95 +05 46 15.3 o K95
2021-04-04 23:36:31 C 12 41 17.99 +05 45 42.8 o K95
2021-04-06 08:46:45 C 12 48 06.04 +04 37 42.6 V I52
2021-04-06 08:48:11 C 12 48 06.31 +04 37 39.7 V I52
2021-04-06 08:49:38 C 12 48 06.57 +04 37 36.9 V I52
2021-04-07 07:26:30 C 12 52 36.72 +03 53 06.5 V 703
2021-04-07 07:34:04 C 12 52 38.04 +03 52 50.4 V 703