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
2015-12-06 05:25:41 C 20 48 54.65 +27 51 06.0 L T05
2015-12-06 05:49:23 C 20 48 57.55 +27 51 17.2 L T05
2015-12-06 06:05:30 C 20 48 59.52 +27 51 24.9 L T05
2015-12-07 05:22:11 C 20 51 53.41 +28 02 46.1 L T05
2015-12-07 05:40:18 C 20 51 55.67 +28 02 55.0 L T05
2015-12-07 06:00:48 C 20 51 58.21 +28 03 04.8 L T05
2015-12-07 06:14:02 C 20 51 59.86 +28 03 11.1 L T05
2015-12-18 01:39:54 C 21 25 34.22 +30 07 17.1 u 926
2015-12-18 01:42:40 C 21 25 34.66 +30 07 19.1 u 926
2015-12-18 01:45:27 C 21 25 35.08 +30 07 20.4 u 926
2015-12-26 17:51:21 C 21 54 05.16 +31 42 19.2 q B82
2015-12-26 18:07:09 C 21 54 07.36 +31 42 26.0 q B82
2015-12-26 18:12:47 C 21 54 08.13 +31 42 28.2 q B82
2015-12-26 18:18:25 C 21 54 08.91 +31 42 30.7 q B82
2015-12-26 18:25:12 C 21 54 09.87 +31 42 33.7 q B82
2015-12-26 18:28:41 C 21 54 10.43 +31 42 36.3 q K74
2015-12-26 18:32:37 C 21 54 10.97 +31 42 37.7 q K74
2015-12-26 18:38:57 C 21 54 11.85 +31 42 40.6 q K74
2015-12-26 18:53:57 C 21 54 13.96 +31 42 47.4 q K74
2015-12-27 17:17:51 C 21 57 22.70 +31 52 40.0 q K74
2015-12-27 19:16:08 C 21 57 39.26 +31 53 31.6 q K74
2016-01-08 05:09:03 C 22 37 10.61 +33 47 16.3 L T05
2016-01-08 05:26:32 C 22 37 13.14 +33 47 22.8 L T05
2016-01-08 05:44:07 C 22 37 15.77 +33 47 29.5 L T05
2016-01-08 06:06:13 C 22 37 18.96 +33 47 37.6 L T05
2016-01-13 16:55:55 C 22 56 47.71 +34 36 29.4 q 160
2016-01-13 16:58:35 C 22 56 48.10 +34 36 30.3 q 160
2016-01-16 01:41:34 C 23 05 20.06 +34 56 26.1 q H45
2016-01-16 01:43:06 C 23 05 20.32 +34 56 26.6 q H45
2016-01-16 01:44:18 C 23 05 20.48 +34 56 26.9 q H45
2016-01-16 01:45:47 C 23 05 20.70 +34 56 27.6 q H45
2016-01-16 01:47:04 C 23 05 20.89 +34 56 27.9 q H45
2016-01-16 01:48:24 C 23 05 21.09 +34 56 28.2 q H45
2016-01-16 05:10:00 C 23 05 51.46 +34 57 39.8 L T05
2016-01-16 05:15:14 C 23 05 52.34 +34 57 42.2 L T05
2016-01-16 05:56:26 C 23 05 58.53 +34 57 55.7 L T05
2016-01-16 06:08:39 C 23 06 00.38 +34 57 59.1 L T05
2016-01-16 16:55:14 C 23 07 38.21 +35 01 39.3 q 160
2016-01-16 16:57:29 C 23 07 38.56 +35 01 40.3 q 160
2016-01-16 16:59:44 C 23 07 38.89 +35 01 41.0 q 160
2016-01-17 16:55:29 C 23 11 16.10 +35 09 45.6 q 160
2016-01-17 16:57:43 C 23 11 16.42 +35 09 46.1 q 160
2016-01-17 16:59:57 C 23 11 16.75 +35 09 46.8 q 160
2016-01-19 16:57:05 C 23 18 33.33 +35 25 30.6 q 160
2016-01-19 16:59:21 C 23 18 33.70 +35 25 31.2 q 160
2016-01-19 17:01:35 C 23 18 34.02 +35 25 31.7 q 160
2016-01-21 17:08:32 C 23 25 53.50 +35 40 40.7 q 160
2016-01-21 17:10:47 C 23 25 53.97 +35 40 42.0 q 160
2016-01-21 17:13:03 C 23 25 54.33 +35 40 42.4 q 160
2016-01-23 17:31:19 C 23 33 16.84 +35 55 14.9 t 160