IAA RAS IAA Minor Planet Database

2021 BS1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3376403410 ± 3.57e-07
Semi-major axis (a)0.5984215297 AU ± 1.24e-08
Inclination (i)31.73286098° ± 5.79e-05
Long. of Asc. Node (Ω)27.67560883° ± 4.49e-05
Arg. of Perihelion (ω)332.65816437° ± 7.86e-05
Mean Anomaly (M)287.39136920° ± 1.17e-04
Mean Motion (n)2.1291264794°/day ± 6.60e-08
Perihelion dist (q)0.39637028 AU ± 2.14e-07
Aphelion dist (Q)0.80047278 AU ± 2.14e-07
Orbital Period0.46292519 yr ± 1.43e-08
Physical Parameters
H (abs. magnitude)18.63
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.282″
Uncertainty0
Orbit TypeAtira
MOID0.233267 AU
Observations Used42
Oppositions5
Arc Total2021-2025
First Observation Used2021-01-17
Last Observation Used2025-04-29
Observations (49)
Date Type RA Dec Mag Band Observatory
2021-01-14 13:42:33 C 17 10 28.32 +07 58 26.2 – V I41
2021-01-14 13:49:29 C 17 10 28.51 +07 58 21.6 – V I41
2021-01-14 13:52:58 C 17 10 28.63 +07 58 20.7 – V I41
2021-01-16 13:39:38 C 17 12 17.65 +07 21 50.6 – V I41
2021-01-16 13:46:25 C 17 12 17.96 +07 21 44.4 – V I41
2021-01-16 13:49:52 C 17 12 18.05 +07 21 42.9 – V I41
2021-01-17 13:43:32 C 17 13 19.88 +07 02 07.1 – V I41
2021-01-17 13:47:00 C 17 13 20.02 +07 02 04.1 – V I41
2021-01-18 13:43:09 C 17 14 26.80 +06 41 36.1 – U I41
2021-01-18 13:46:37 C 17 14 26.97 +06 41 33.4 – U I41
2021-01-18 13:50:06 C 17 14 27.11 +06 41 30.3 – U I41
2021-01-22 13:05:24 C 17 19 39.18 +05 12 20.6 – V I52
2021-01-22 13:10:35 C 17 19 39.46 +05 12 15.2 – V I52
2021-01-22 13:12:14 C 17 19 39.59 +05 12 13.7 – V I52
2021-01-31 12:24:05 C 17 35 52.45 +01 11 18.0 – V I52
2021-01-31 12:26:12 C 17 35 52.62 +01 11 15.4 – V I52
2021-01-31 12:28:21 C 17 35 52.83 +01 11 13.1 – V I52
2021-02-07 13:07:01 C 17 53 05.36 -02 30 13.3 – U I41
2021-02-07 13:11:15 C 17 53 05.86 -02 30 19.2 – U I41
2021-02-07 13:15:31 C 17 53 06.33 -02 30 25.0 – U I41
2021-02-07 13:19:48 C 17 53 06.82 -02 30 31.0 – U I41
2021-02-07 13:24:04 C 17 53 07.30 -02 30 37.1 – U I41
2021-02-08 13:00:01 C 17 55 52.24 -03 03 37.2 – V I52
2021-02-08 13:01:14 C 17 55 52.39 -03 03 38.9 – V I52
2021-02-08 13:02:26 C 17 55 52.54 -03 03 40.2 – V I52
2021-02-08 13:08:04 C 17 55 53.22 -03 03 49.0 – U I41
2021-02-08 13:12:19 C 17 55 53.74 -03 03 54.7 – U I41
2021-02-08 13:16:35 C 17 55 54.23 -03 04 00.7 – U I41
2021-02-08 13:20:51 C 17 55 54.73 -03 04 07.0 – U I41
2021-02-08 13:25:07 C 17 55 55.23 -03 04 13.0 – U I41
2021-03-03 08:35:32 C 19 29 03.88 -17 04 23.9 – u 807
2021-03-03 08:47:16 C 19 29 06.52 -17 04 41.2 – u 807
2021-03-03 08:58:51 C 19 29 09.26 -17 04 58.3 – u 807
2021-12-04 05:19:55 C 14 53 21.194 +08 14 51.82 – V Z84
2021-12-04 05:39:47 C 14 53 22.518 +08 14 41.20 – V Z84
2021-12-07 05:18:14 C 14 58 22.779 +07 31 24.30 – V Z84
2021-12-07 05:44:45 C 14 58 24.676 +07 31 06.70 – V Z84
2021-12-12 04:28:07 C 15 07 34.622 +05 59 58.42 – V C65
2022-01-22 08:55:01 C 16 59 26.005 -13 24 44.31 – V W84
2022-01-22 08:57:52 C 16 59 26.426 -13 24 48.03 – V W84
2023-05-25 03:29:37 C 07 07 04.307 +37 27 36.32 – V I52
2023-05-25 03:31:34 C 07 07 04.696 +37 27 33.70 – V I52
2023-05-25 03:33:30 C 07 07 05.156 +37 27 31.82 – V I52
2025-04-28 03:48:11 C 05 27 39.424 +36 28 33.20 – V I52
2025-04-28 03:52:04 C 05 27 40.080 +36 28 21.00 – V I52
2025-04-28 03:53:05 C 05 27 40.194 +36 28 18.80 – V I52
2025-04-29 03:35:41 C 05 31 40.488 +35 21 40.65 – V I52
2025-04-29 03:40:03 C 05 31 41.215 +35 21 29.02 – V I52
2025-04-29 03:41:54 C 05 31 41.506 +35 21 24.11 – V I52