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
2024-08-03 12:14:55 C 20 33 57.886 +29 12 15.48 V T05
2024-08-03 18:25:31 C 20 32 51.761 +29 29 59.17 V O55
2024-08-03 18:27:46 C 20 32 51.322 +29 30 05.85 V O55
2024-08-03 18:30:29 C 20 32 50.824 +29 30 13.19 V O55
2024-08-03 18:36:45 C 20 32 49.660 +29 30 30.84 14.0 V O55
2024-08-03 18:37:58 C 20 32 49.428 +29 30 34.23 14.0 V O55
2024-08-03 18:39:10 C 20 32 49.215 +29 30 37.59 13.9 V O55
2024-08-03 18:40:24 C 20 32 48.981 +29 30 41.07 13.9 V O55
2024-08-03 18:41:37 C 20 32 48.745 +29 30 44.57 13.9 V O55
2024-08-03 18:42:51 C 20 32 48.524 +29 30 47.89 14.0 V O55
2024-08-03 18:47:02 C 20 32 47.740 +29 30 59.26 13.4 V O55
2024-08-03 18:48:15 C 20 32 47.538 +29 31 03.06 14.0 V O55
2024-08-03 18:49:26 C 20 32 47.295 +29 31 06.38 13.9 V O55
2024-08-03 20:42:00 C 20 32 28.54 +29 36 06.7 X G02
2024-08-03 20:47:26 C 20 32 27.54 +29 36 22.2 X G02
2024-08-03 20:52:53 C 20 32 26.55 +29 36 37.6 X G02
2024-08-04 10:20:57 C 20 30 01.745 +30 14 16.80 V T05
2024-08-04 11:15:50 C 20 29 51.564 +30 16 46.67 V T05
2024-08-04 11:24:18 C 20 29 49.992 +30 17 09.78 V T05
2024-08-05 09:44:11 C 20 25 52.728 +31 16 55.78 V T08
2024-08-05 09:48:51 C 20 25 51.874 +31 17 07.91 V T08
2024-08-05 10:09:00 C 20 25 48.154 +31 18 00.54 V T08
2024-08-05 10:17:15 C 20 25 46.642 +31 18 22.07 V T08
2024-08-05 22:00:33 B 20 23 43.032 +31 48 25.27 Z D50
2024-08-05 22:12:54 B 20 23 40.793 +31 48 56.70 Z D50
2024-08-05 22:25:13 B 20 23 38.551 +31 49 28.13 Z D50
2024-08-05 22:38:28 C 20 23 36.149 +31 49 58.84 Z C23
2024-08-05 22:40:54 C 20 23 35.695 +31 50 05.35 Z C23
2024-08-05 22:55:56 C 20 23 32.27 +31 50 44.7 V M77
2024-08-05 23:18:46 C 20 23 28.15 +31 51 42.1 V M77
2024-08-05 23:22:54 C 20 23 28.075 +31 51 51.91 Z C23
2024-08-05 23:23:22 C 20 23 28.003 +31 51 53.32 Z C23
2024-08-05 23:41:36 C 20 23 24.03 +31 52 39.6 V M77
2024-08-06 02:10:00 C 20 22 59.60 +31 58 57.3 V W53
2024-08-06 02:20:44 C 20 22 57.65 +31 59 24.5 V W53
2024-08-06 02:32:14 C 20 22 55.58 +31 59 53.8 V W53
2024-08-06 04:24:45 C 20 22 35.16 +32 04 38.2 V W53
2024-08-06 04:46:17 C 20 22 31.25 +32 05 32.3 V W53
2024-08-06 04:56:58 C 20 22 29.31 +32 05 59.1 V W53
2024-08-06 09:53:34 C 20 21 37.344 +32 18 26.35 V T08
2024-08-06 10:02:32 C 20 21 35.700 +32 18 48.56 V T08
2024-08-06 10:07:00 C 20 21 34.891 +32 18 59.62 V T08
2024-08-06 20:59:10 C 20 19 41.36 +32 45 25.0 X G02
2024-08-06 21:04:13 C 20 19 40.46 +32 45 37.1 X G02
2024-08-06 21:09:14 C 20 19 39.57 +32 45 49.3 X G02
2024-08-07 09:15:07 C 20 17 33.322 +33 14 51.61 V T05
2024-08-07 09:19:40 C 20 17 32.470 +33 15 02.30 V T05
2024-08-07 09:27:29 C 20 17 31.068 +33 15 20.77 V T05
2024-08-07 09:35:18 C 20 17 29.654 +33 15 39.24 V T05
2024-08-07 09:56:01 C 20 17 25.913 +33 16 27.91 V T05