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
2021-03-18 07:26:10 C 10 58 37.84 +19 23 43.2 V 703
2021-03-18 07:33:44 C 10 58 39.56 +19 23 32.1 V 703
2021-03-18 11:24:45 C 10 59 35.045 +19 18 04.32 U F52
2021-03-18 11:41:23 C 10 59 38.783 +19 17 38.72 U F52
2021-03-18 11:57:57 C 10 59 42.528 +19 17 13.16 U F52
2021-03-18 12:14:36 C 10 59 46.320 +19 16 47.29 U F52
2021-03-20 09:58:48 C 11 11 10.89 +18 05 19.2 V T08
2021-03-20 10:07:36 C 11 11 12.92 +18 05 04.1 V T08
2021-03-20 10:42:16 C 11 11 20.83 +18 04 06.9 V T08
2021-03-20 11:01:56 C 11 11 25.32 +18 03 33.7 V T08
2021-03-20 20:45:17 C 11 13 55.75 +17 46 50.1 V K38
2021-03-20 21:03:18 C 11 13 59.98 +17 46 20.0 V K38
2021-03-20 21:21:16 C 11 14 04.22 +17 45 50.6 V K38
2021-03-20 21:36:13 C 11 14 07.75 +17 45 26.4 V K38
2021-03-21 20:53:35 C 11 20 01.11 +17 05 27.9 V 033
2021-03-21 20:54:04 C 11 20 01.22 +17 05 27.0 V 033
2021-03-21 20:54:35 C 11 20 01.33 +17 05 26.1 V 033
2021-03-21 22:23:14 C 11 20 21.49 +17 02 54.8 V L18
2021-03-21 22:29:44 C 11 20 23.02 +17 02 43.5 V L18
2021-03-21 22:36:14 C 11 20 24.62 +17 02 31.5 V L18
2021-03-21 22:42:44 C 11 20 26.11 +17 02 20.0 V L18
2021-03-22 04:39:17 C 11 22 00.09 +16 52 11.8 V 703
2021-03-22 04:46:53 C 11 22 01.93 +16 51 58.9 V 703
2021-03-22 04:54:30 C 11 22 03.67 +16 51 45.8 V 703
2021-03-22 05:02:06 C 11 22 05.42 +16 51 32.7 V 703
2021-03-22 21:54:22 C 11 26 21.25 +16 21 04.8 V 160
2021-03-22 21:59:30 C 11 26 22.47 +16 20 55.3 V 160
2021-03-22 22:04:35 C 11 26 23.78 +16 20 46.0 V 160
2021-03-23 21:43:05 C 11 32 24.54 +15 36 58.6 V K87
2021-03-23 21:48:19 C 11 32 25.80 +15 36 48.5 V K87
2021-03-23 21:53:34 C 11 32 27.10 +15 36 38.6 V K87
2021-03-24 00:13:14 C 11 32 59.46 +15 32 15.0 V L18
2021-03-24 00:19:44 C 11 33 01.03 +15 32 02.2 V L18
2021-03-24 00:26:14 C 11 33 02.58 +15 31 50.0 V L18
2021-03-24 00:32:44 C 11 33 04.12 +15 31 37.9 V L18
2021-03-24 21:25:18 C 11 38 26.06 +14 51 50.6 V K87
2021-03-24 21:32:13 C 11 38 27.68 +14 51 37.7 V K87
2021-03-24 21:39:09 C 11 38 29.31 +14 51 24.1 V K87
2021-03-29 22:05:07 C 12 08 25.65 +10 47 04.9 V Z99
2021-03-29 22:08:10 C 12 08 26.33 +10 46 58.7 V Z99
2021-03-29 22:11:14 C 12 08 27.02 +10 46 52.7 V Z99
2021-03-29 22:14:16 C 12 08 27.72 +10 46 46.3 V Z99
2021-03-29 22:17:19 C 12 08 28.40 +10 46 40.0 V Z99
2021-03-29 22:29:22 C 12 08 31.24 +10 46 16.7 V Z80
2021-03-29 22:41:02 C 12 08 33.82 +10 45 52.4 V Z80
2021-03-29 22:52:22 C 12 08 36.44 +10 45 28.8 V Z80
2021-03-30 20:50:49 C 12 13 53.32 +09 59 32.6 V B49
2021-03-30 21:02:50 C 12 13 55.95 +09 59 08.3 V B49
2021-03-30 21:14:44 C 12 13 58.60 +09 58 43.5 V B49
2021-03-30 23:17:30 C 12 14 24.98 +09 54 25.3 V 160