21088 Chelyabinsk (1992 BL2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2387361539 ± 6.03e-09
Semi-major axis (a)1.7063669522 AU ± 3.31e-10
Inclination (i)38.46248793° ± 9.84e-07
Long. of Asc. Node (Ω)297.82517282° ± 9.53e-07
Arg. of Perihelion (ω)27.19775356° ± 1.68e-06
Mean Anomaly (M)205.19142502° ± 1.08e-06
Mean Motion (n)0.4421846161°/day ± 1.29e-10
Perihelion dist (q)1.29899547 AU ± 1.03e-08
Aphelion dist (Q)2.11373844 AU ± 1.03e-08
Orbital Period2.22899270 yr ± 6.48e-10
Physical Parameters
H (abs. magnitude)14.34
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.228″
Uncertainty0
Orbit TypeAmor
MOID0.306089 AU
Observations Used6935
Gaia Obs Used131
Oppositions15
Arc Total1990-2026
First Observation Used1990-01-30
Last Observation Used2026-01-13
Observations (9404)
Date Type RA Dec Mag Band Observatory
2024-08-07 10:47:07 C 20 17 16.697 +33 18 27.14 V T05
2024-08-07 10:51:11 C 20 17 15.962 +33 18 36.90 V T05
2024-08-07 11:00:56 C 20 17 14.196 +33 18 59.65 V T05
2024-08-08 09:11:57 C 20 13 25.932 +34 09 39.06 V T05
2024-08-08 09:30:52 C 20 13 22.558 +34 10 21.18 V T05
2024-08-08 09:36:05 C 20 13 21.631 +34 10 32.74 V T05
2024-08-08 09:42:11 C 20 13 20.544 +34 10 46.20 V T05
2024-08-08 09:48:16 C 20 13 19.459 +34 10 59.77 V T05
2024-08-08 10:23:54 C 20 13 13.123 +34 12 18.50 V T05
2024-08-08 10:30:11 C 20 13 12.000 +34 12 32.47 V T05
2024-08-08 20:15:42 C 20 11 32.77 +34 33 47.0 V M77
2024-08-08 20:45:39 C 20 11 27.53 +34 34 51.7 V M77
2024-08-08 21:15:32 C 20 11 22.30 +34 35 56.1 V M77
2024-08-09 09:16:29 C 20 09 20.803 +35 01 41.09 V T08
2024-08-09 09:21:09 C 20 09 19.987 +35 01 50.88 V T08
2024-08-09 09:43:25 C 20 09 16.078 +35 02 37.46 V T08
2024-08-09 09:57:12 C 20 09 13.656 +35 03 06.34 V T08
2024-08-09 21:39:10 C 20 07 16.632 +35 27 04.14 Z C23
2024-08-09 23:09:38 C 20 07 01.104 +35 30 07.96 Z C23
2024-08-09 23:17:19 B 20 06 59.87 +35 30 27.0 V Y78
2024-08-09 23:22:18 B 20 06 59.10 +35 30 38.8 V Y78
2024-08-09 23:55:15 C 20 06 53.36 +35 31 41.7 14.7 122
2024-08-10 00:15:39 C 20 06 49.85 +35 32 22.6 14.7 122
2024-08-10 00:34:03 C 20 06 46.70 +35 32 59.4 14.7 122
2024-08-10 02:41:39 C 20 06 26.50 +35 37 19.6 V W53
2024-08-10 02:52:26 C 20 06 24.66 +35 37 41.5 V W53
2024-08-10 03:04:02 C 20 06 22.66 +35 38 05.0 V W53
2024-08-10 06:04:55 C 20 05 51.61 +35 44 05.8 V W53
2024-08-10 06:15:42 C 20 05 49.77 +35 44 27.1 V W53
2024-08-10 06:27:13 C 20 05 47.82 +35 44 49.7 V W53
2024-08-10 20:23:30 B 20 03 31.376 +36 12 02.73 X B72
2024-08-10 20:25:35 B 20 03 31.023 +36 12 06.81 X B72
2024-08-10 20:26:37 B 20 03 30.867 +36 12 08.67 X B72
2024-08-10 20:27:40 B 20 03 30.703 +36 12 10.53 X B72
2024-08-10 20:28:42 B 20 03 30.509 +36 12 12.62 X B72
2024-08-11 01:49:47 B 20 02 36.45 +36 22 28.7 V Y78
2024-08-11 01:54:48 B 20 02 35.86 +36 22 35.4 V Y78
2024-08-11 01:59:49 B 20 02 34.89 +36 22 46.2 V Y78
2024-08-11 02:04:50 B 20 02 33.95 +36 22 56.6 V Y78
2024-08-11 02:09:50 B 20 02 33.28 +36 23 04.4 V Y78
2024-08-11 09:27:55 C 20 01 22.944 +36 36 56.70 V T05
2024-08-11 09:47:56 C 20 01 19.558 +36 37 33.82 V T05
2024-08-11 09:52:02 C 20 01 18.859 +36 37 41.34 V T05
2024-08-11 10:00:30 C 20 01 17.436 +36 37 56.89 V T05
2024-08-11 21:18:14 C 19 59 28.886 +36 58 25.21 Z C23
2024-08-11 21:23:06 B 19 59 28.039 +36 58 33.74 V L65
2024-08-11 21:27:18 B 19 59 27.338 +36 58 41.27 V L65
2024-08-11 21:31:30 B 19 59 26.630 +36 58 48.97 V L65
2024-08-11 22:49:53 B 19 59 13.507 +37 01 15.10 V L92
2024-08-11 22:57:57 B 19 59 12.181 +37 01 29.25 V L92