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
2015-11-02 18:54:00 C 19 20 41.91 +21 04 27.4 c A24
2015-11-02 18:55:02 C 19 20 42.00 +21 04 27.9 c A24
2015-11-02 19:01:46 C 19 20 42.66 +21 04 31.6 c A24
2015-11-02 19:02:49 C 19 20 42.75 +21 04 32.1 c A24
2015-11-02 19:58:09 C 19 20 47.98 +21 05 01.0 c A24
2015-11-02 19:59:12 C 19 20 48.10 +21 05 01.7 c A24
2015-11-02 20:05:56 C 19 20 48.81 +21 05 05.7 c A24
2015-11-02 20:06:59 C 19 20 48.86 +21 05 06.2 c A24
2015-11-02 23:47:54 C 19 21 10.29 +21 07 04.5 u H21
2015-11-02 23:49:59 C 19 21 10.47 +21 07 05.5 u H21
2015-11-02 23:52:03 C 19 21 10.68 +21 07 06.9 u H21
2015-11-02 23:54:07 C 19 21 10.87 +21 07 08.0 u H21
2015-11-02 23:56:11 C 19 21 11.06 +21 07 08.8 u H21
2015-11-02 23:58:15 C 19 21 11.27 +21 07 10.1 u H21
2015-11-03 00:00:19 C 19 21 11.44 +21 07 11.2 u H21
2015-11-03 00:02:23 C 19 21 11.65 +21 07 12.2 u H21
2015-11-03 00:04:27 C 19 21 11.85 +21 07 13.3 u H21
2015-11-03 00:06:31 C 19 21 12.04 +21 07 14.3 u H21
2015-11-03 00:08:35 C 19 21 12.24 +21 07 15.5 u H21
2015-11-03 00:10:39 C 19 21 12.44 +21 07 16.6 u H21
2015-11-03 00:12:43 C 19 21 12.62 +21 07 17.7 u H21
2015-11-03 00:14:47 C 19 21 12.82 +21 07 18.8 u H21
2015-11-03 00:17:54 C 19 21 13.11 +21 07 20.4 u H21
2015-11-03 01:38:41 C 19 21 20.77 +21 08 03.5 q H45
2015-11-03 01:40:33 C 19 21 20.97 +21 08 04.1 q H45
2015-11-03 01:42:17 C 19 21 21.13 +21 08 05.2 q H45
2015-11-03 01:43:54 C 19 21 21.28 +21 08 06.0 q H45
2015-11-03 01:45:29 C 19 21 21.43 +21 08 06.8 q H45
2015-11-03 01:46:58 C 19 21 21.57 +21 08 07.6 q H45
2015-11-03 23:52:06 C 19 23 29.82 +21 19 50.0 u H21
2015-11-03 23:54:10 C 19 23 30.03 +21 19 51.3 u H21
2015-11-03 23:56:14 C 19 23 30.24 +21 19 52.3 u H21
2015-11-03 23:58:18 C 19 23 30.43 +21 19 53.3 u H21
2015-11-04 00:00:22 C 19 23 30.62 +21 19 54.5 u H21
2015-11-04 00:02:27 C 19 23 30.81 +21 19 55.5 u H21
2015-11-04 00:04:30 C 19 23 31.02 +21 19 56.6 u H21
2015-11-04 00:06:34 C 19 23 31.22 +21 19 57.8 u H21
2015-11-04 00:08:38 C 19 23 31.40 +21 19 58.8 u H21
2015-11-04 00:10:42 C 19 23 31.61 +21 19 59.9 u H21
2015-11-04 00:12:45 C 19 23 31.80 +21 20 00.9 u H21
2015-11-04 00:15:26 C 19 23 32.07 +21 20 02.4 u H21
2015-11-07 23:52:42 C 19 32 58.12 +22 10 09.8 u H21
2015-11-07 23:54:46 C 19 32 58.32 +22 10 10.8 u H21
2015-11-07 23:56:50 C 19 32 58.52 +22 10 12.0 u H21
2015-11-07 23:58:53 C 19 32 58.73 +22 10 13.0 u H21
2015-11-08 00:00:57 C 19 32 58.93 +22 10 14.0 u H21
2015-11-08 00:03:01 C 19 32 59.14 +22 10 15.3 u H21
2015-11-08 00:05:05 C 19 32 59.34 +22 10 16.4 u H21
2015-11-08 00:07:09 C 19 32 59.54 +22 10 17.4 u H21
2015-11-08 00:11:17 C 19 32 59.96 +22 10 19.5 u H21