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
2015-09-15 01:26:07 C 17 49 02.93 +07 12 26.3 u H21
2015-09-15 01:28:07 C 17 49 03.04 +07 12 28.4 u H21
2015-09-16 01:11:00 C 17 50 30.65 +07 37 43.7 u H21
2015-09-16 01:13:30 C 17 50 30.80 +07 37 46.4 u H21
2015-09-16 01:16:01 C 17 50 30.95 +07 37 49.0 u H21
2015-09-16 01:18:31 C 17 50 31.10 +07 37 51.7 u H21
2015-09-16 01:21:01 C 17 50 31.25 +07 37 54.3 u H21
2015-09-16 01:23:32 C 17 50 31.39 +07 37 57.0 u H21
2015-09-16 01:25:47 C 17 50 31.53 +07 37 59.4 u H21
2015-09-17 01:03:35 C 17 51 59.90 +08 02 32.4 u H21
2015-09-17 01:06:05 C 17 52 00.06 +08 02 35.0 u H21
2015-09-17 01:08:35 C 17 52 00.21 +08 02 37.6 u H21
2015-09-17 01:11:05 C 17 52 00.36 +08 02 40.2 u H21
2015-09-17 01:13:35 C 17 52 00.51 +08 02 42.7 u H21
2015-09-17 01:16:05 C 17 52 00.66 +08 02 45.3 u H21
2015-09-17 01:18:35 C 17 52 00.81 +08 02 47.8 u H21
2015-09-17 01:21:05 C 17 52 00.96 +08 02 50.5 u H21
2015-09-17 01:23:36 C 17 52 01.11 +08 02 53.0 u H21
2015-09-17 01:26:06 C 17 52 01.26 +08 02 55.5 u H21
2015-09-17 01:28:36 C 17 52 01.41 +08 02 58.1 u H21
2015-09-17 01:31:36 C 17 52 01.60 +08 03 01.1 u H21
2015-09-19 00:33:46 C 17 55 00.22 +08 50 20.7 r Y00
2015-09-19 00:42:51 C 17 55 00.80 +08 50 29.6 r Y00
2015-09-19 00:51:22 C 17 55 01.37 +08 50 37.4 r Y00
2015-09-20 01:13:53 C 17 56 35.99 +09 14 02.9 u H21
2015-09-20 01:15:51 C 17 56 36.11 +09 14 04.8 u H21
2015-09-20 01:17:48 C 17 56 36.23 +09 14 06.6 u H21
2015-09-20 01:19:46 C 17 56 36.36 +09 14 08.4 u H21
2015-09-20 01:21:44 C 17 56 36.48 +09 14 10.3 u H21
2015-09-20 01:23:41 C 17 56 36.60 +09 14 12.2 u H21
2015-09-20 01:25:39 C 17 56 36.72 +09 14 14.2 u H21
2015-09-20 01:27:36 C 17 56 36.84 +09 14 15.9 u H21
2015-09-20 01:29:34 C 17 56 36.97 +09 14 17.9 u H21
2015-09-20 01:31:32 C 17 56 37.09 +09 14 19.7 u H21
2015-09-20 01:34:40 C 17 56 37.28 +09 14 22.7 u H21
2015-09-21 00:41:49 C 17 58 07.89 +09 36 15.1 u H21
2015-09-21 00:44:19 C 17 58 08.05 +09 36 17.4 u H21
2015-09-21 00:46:49 C 17 58 08.21 +09 36 19.7 u H21
2015-09-21 00:49:19 C 17 58 08.36 +09 36 22.0 u H21
2015-09-21 00:51:49 C 17 58 08.52 +09 36 24.4 u H21
2015-09-21 00:54:20 C 17 58 08.68 +09 36 26.6 u H21
2015-09-21 00:56:50 C 17 58 08.84 +09 36 29.1 u H21
2015-09-21 00:59:20 C 17 58 09.00 +09 36 31.5 u H21
2015-09-21 01:01:50 C 17 58 09.15 +09 36 33.8 u H21
2015-09-21 01:04:20 C 17 58 09.32 +09 36 36.1 u H21
2015-09-21 01:06:51 C 17 58 09.48 +09 36 38.4 u H21
2015-09-21 01:09:21 C 17 58 09.63 +09 36 40.8 u H21
2015-09-21 01:11:51 C 17 58 09.79 +09 36 43.0 u H21
2015-09-21 18:28:29 C 17 59 18.05 +09 52 43.9 q 160
2015-09-21 18:30:45 C 17 59 18.19 +09 52 45.8 q 160