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
2021-04-07 07:41:40 C 12 52 39.43 +03 52 35.2 V 703
2021-04-07 07:49:17 C 12 52 40.79 +03 52 20.6 V 703
2021-04-08 09:32:15 C 12 57 37.87 +03 02 59.6 V T08
2021-04-08 09:34:54 C 12 57 38.31 +03 02 55.1 V T08
2021-04-08 09:38:54 C 12 57 38.99 +03 02 47.0 V T08
2021-04-08 10:20:08 C 12 57 45.94 +03 01 28.1 V T08
2021-04-08 15:38:20 C 12 58 45.97 +02 51 08.4 q D29
2021-04-08 15:57:25 C 12 58 49.24 +02 50 32.5 q D29
2021-04-08 15:58:42 C 12 58 49.44 +02 50 30.0 q D29
2021-04-08 16:17:48 C 12 58 52.69 +02 49 54.0 q D29
2021-04-08 16:19:04 C 12 58 52.90 +02 49 51.7 q D29
2021-04-08 16:38:09 C 12 58 56.12 +02 49 15.4 q D29
2021-04-08 20:26:31 C 12 59 41.34 +02 41 47.1 V A17
2021-04-08 20:37:28 C 12 59 43.28 +02 41 27.3 V A17
2021-04-08 20:48:42 C 12 59 45.25 +02 41 05.2 V A17
2021-04-12 23:35:40 C 13 16 45.73 -00 15 33.6 V Z99
2021-04-12 23:39:12 C 13 16 46.25 -00 15 39.3 V Z99
2021-04-12 23:43:21 C 13 16 46.86 -00 15 46.3 V Z99
2021-04-12 23:53:07 C 13 16 48.33 -00 16 02.7 V Z99
2021-04-13 22:56:53 C 13 20 25.64 -00 54 17.0 V K87
2021-04-13 23:04:47 C 13 20 26.77 -00 54 30.2 V K87
2021-04-13 23:12:40 C 13 20 27.88 -00 54 43.4 V K87
2021-04-14 09:13:48 C 13 21 57.90 -01 10 46.4 V 703
2021-04-14 09:29:00 C 13 22 00.10 -01 11 09.9 V 703
2021-04-14 09:36:36 C 13 22 01.25 -01 11 20.0 V 703
2021-04-15 08:46:50 C 13 25 31.474 -01 47 58.65 U F52
2021-04-15 09:09:06 C 13 25 34.369 -01 48 33.49 U F52
2021-04-15 09:53:33 C 13 25 40.104 -01 49 42.99 U F52
2021-04-20 09:29:50 C 13 41 30.16 -04 41 10.2 V T08
2021-04-20 09:32:29 C 13 41 30.45 -04 41 13.8 V T08
2021-04-20 09:37:08 C 13 41 30.96 -04 41 19.8 V T08
2021-04-20 10:10:05 C 13 41 34.35 -04 42 03.6 V T08
2021-04-30 04:20:57 C 14 04 50.21 -08 57 43.7 u 807
2021-04-30 04:25:27 C 14 04 50.52 -08 57 47.5 u 807
2021-04-30 04:30:00 C 14 04 50.86 -08 57 51.8 u 807
2021-05-01 07:32:55 C 14 07 00.53 -09 22 29.4 V G96
2021-05-01 07:40:53 C 14 07 01.07 -09 22 36.6 V G96
2021-05-01 07:48:50 C 14 07 01.62 -09 22 43.0 V G96
2021-05-01 07:56:46 C 14 07 02.14 -09 22 50.2 V G96
2021-05-01 08:30:09 C 14 07 04.45 -09 23 18.3 V G96
2021-05-01 08:40:08 C 14 07 05.11 -09 23 27.1 V G96
2021-05-01 08:50:11 C 14 07 05.81 -09 23 35.5 V G96
2021-05-05 14:26:03 C 14 14 30.70 -10 44 30.2 q D29
2021-05-05 15:06:46 C 14 14 33.06 -10 45 00.4 q D29
2021-05-11 00:21:41 C 14 22 38.23 -12 10 36.7 W84
2021-05-11 00:24:08 C 14 22 38.36 -12 10 38.2 W84
2021-05-11 00:26:37 C 14 22 38.49 -12 10 39.8 W84
2021-05-11 00:29:05 C 14 22 38.62 -12 10 41.3 W84
2021-05-11 00:31:33 C 14 22 38.75 -12 10 42.8 W84
2021-05-11 00:36:31 C 14 22 39.01 -12 10 46.0 W84