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
2015-08-24 01:32:29 C 17 21 43.88 -05 51 03.4 u H21
2015-08-24 01:35:01 C 17 21 43.99 -05 50 58.1 u H21
2015-08-24 01:37:33 C 17 21 44.09 -05 50 53.0 u H21
2015-08-24 01:40:05 C 17 21 44.18 -05 50 47.9 u H21
2015-08-24 01:42:37 C 17 21 44.28 -05 50 43.1 u H21
2015-08-24 01:45:09 C 17 21 44.37 -05 50 37.8 u H21
2015-08-24 01:47:41 C 17 21 44.46 -05 50 32.7 u H21
2015-08-24 01:50:12 C 17 21 44.56 -05 50 27.7 u H21
2015-08-24 01:52:44 C 17 21 44.66 -05 50 22.8 u H21
2015-08-24 01:57:00 C 17 21 44.82 -05 50 13.9 u H21
2015-08-25 01:21:15 C 17 22 43.05 -05 03 46.0 u H21
2015-08-25 01:23:46 C 17 22 43.15 -05 03 41.2 u H21
2015-08-25 01:26:17 C 17 22 43.25 -05 03 36.2 u H21
2015-08-25 01:28:48 C 17 22 43.34 -05 03 31.2 u H21
2015-08-25 01:31:20 C 17 22 43.44 -05 03 26.4 u H21
2015-08-25 01:33:51 C 17 22 43.53 -05 03 21.4 u H21
2015-08-25 01:36:22 C 17 22 43.63 -05 03 16.4 u H21
2015-08-25 01:38:53 C 17 22 43.73 -05 03 11.5 u H21
2015-08-25 01:41:24 C 17 22 43.83 -05 03 06.5 u H21
2015-08-25 01:43:55 C 17 22 43.92 -05 03 01.6 u H21
2015-08-25 01:46:26 C 17 22 44.02 -05 02 56.7 u H21
2015-08-25 01:48:57 C 17 22 44.11 -05 02 51.8 u H21
2015-08-25 01:51:28 C 17 22 44.21 -05 02 46.8 u H21
2015-08-25 01:54:00 C 17 22 44.31 -05 02 41.9 u H21
2015-08-25 01:58:17 C 17 22 44.47 -05 02 33.5 u H21
2015-08-26 01:22:08 C 17 23 44.36 -04 17 29.5 u H21
2015-08-26 01:24:39 C 17 23 44.46 -04 17 24.8 u H21
2015-08-26 01:27:11 C 17 23 44.56 -04 17 20.0 u H21
2015-08-26 01:29:42 C 17 23 44.66 -04 17 15.2 u H21
2015-08-26 01:32:13 C 17 23 44.76 -04 17 10.4 u H21
2015-08-26 01:34:45 C 17 23 44.86 -04 17 05.6 u H21
2015-08-26 01:37:16 C 17 23 44.96 -04 17 00.9 u H21
2015-08-26 01:39:48 C 17 23 45.06 -04 16 56.1 u H21
2015-08-26 01:42:19 C 17 23 45.16 -04 16 51.2 u H21
2015-08-26 01:44:50 C 17 23 45.26 -04 16 46.4 u H21
2015-08-26 01:47:20 C 17 23 45.36 -04 16 41.7 u H21
2015-08-26 01:49:50 C 17 23 45.46 -04 16 37.0 u H21
2015-08-26 01:52:21 C 17 23 45.56 -04 16 32.2 u H21
2015-08-27 01:25:17 C 17 24 47.40 -03 32 31.8 u H21
2015-08-27 01:27:40 C 17 24 47.50 -03 32 27.4 u H21
2015-08-27 01:30:12 C 17 24 47.61 -03 32 22.8 u H21
2015-08-27 01:32:43 C 17 24 47.72 -03 32 18.2 u H21
2015-08-27 01:35:14 C 17 24 47.81 -03 32 13.5 u H21
2015-08-27 01:37:45 C 17 24 47.93 -03 32 08.9 u H21
2015-08-27 01:40:16 C 17 24 48.02 -03 32 04.3 u H21
2015-08-27 01:42:47 C 17 24 48.12 -03 31 59.7 u H21
2015-08-27 01:45:18 C 17 24 48.23 -03 31 54.9 u H21
2015-08-27 01:47:49 C 17 24 48.33 -03 31 50.4 u H21
2015-08-27 01:50:20 C 17 24 48.44 -03 31 45.6 u H21
2015-08-27 01:52:51 C 17 24 48.55 -03 31 41.1 u H21