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
2002-12-10 03:17:34 C 08 17 42.97 +52 43 36.2 d 557
2002-12-10 04:18:06 C 08 17 36.20 +52 43 23.8 d 557
2002-12-10 05:18:44 C 08 17 29.43 +52 43 11.0 d 557
2002-12-10 19:04:28 C 08 15 59.04 +52 40 17.6 d 557
2002-12-10 19:55:32 C 08 15 53.35 +52 40 07.7 d 557
2002-12-10 21:03:11 C 08 15 45.76 +52 39 54.7 d 557
2002-12-10 22:31:27 C 08 15 35.75 +52 39 37.2 d 557
2002-12-10 23:25:24 C 08 15 29.61 +52 39 26.3 d 557
2002-12-11 00:14:38 C 08 15 23.84 +52 39 15.4 c 084
2002-12-11 01:53:32 C 08 15 12.58 +52 38 55.4 d 557
2002-12-11 02:55:59 C 08 15 05.38 +52 38 41.6 d 557
2002-12-12 09:07:25 C 08 11 37.82 +52 31 44.0 15.8 c 704
2002-12-12 09:30:45 C 08 11 34.99 +52 31 38.3 16.4 c 704
2002-12-12 09:53:34 C 08 11 32.21 +52 31 32.7 16.6 c 704
2002-12-12 10:16:20 C 08 11 29.48 +52 31 27.1 16.6 c 704
2002-12-12 10:38:15 C 08 11 26.82 +52 31 21.5 16.4 c 704
2002-12-12 20:11:35 C 08 10 20.11 +52 28 50.4 c 084
2002-12-22 23:37:44 C 07 38 38.39 +50 52 22.5 c 084
2002-12-27 00:12:51 C 07 25 09.91 +49 52 50.0 c 084
2002-12-28 00:16:30 C 07 21 48.37 +49 36 01.4 c 084
2002-12-28 07:12:12 C 07 20 50.79 +49 31 06.2 16.5 c 704
2002-12-28 07:33:22 C 07 20 47.87 +49 30 51.7 17.0 c 704
2002-12-28 07:54:09 C 07 20 44.83 +49 30 35.9 16.5 c 704
2002-12-28 08:15:00 C 07 20 41.86 +49 30 20.8 16.4 c 704
2002-12-28 08:35:46 C 07 20 38.91 +49 30 05.6 16.5 c 704
2003-01-06 18:02:45 C 06 50 41.83 +46 14 07.9 c J93
2003-01-06 18:05:49 C 06 50 41.33 +46 14 05.1 c J93
2003-01-08 10:13:53 C 06 45 48.82 +45 33 27.9 o 644
2003-01-08 10:44:17 C 06 45 45.15 +45 32 56.0 o 644
2003-01-09 20:35:08 C 06 41 49.09 +44 57 30.5 c 084
2003-01-10 06:48:16 C 06 40 39.23 +44 46 43.1 16.6 c 704
2003-01-10 07:10:02 C 06 40 36.70 +44 46 19.7 16.6 c 704
2003-01-10 07:32:00 C 06 40 34.14 +44 45 56.3 16.6 c 704
2003-01-10 07:53:44 C 06 40 31.64 +44 45 32.9 16.9 c 704
2003-01-10 08:15:28 C 06 40 29.12 +44 45 09.6 16.8 c 704
2003-01-10 22:01:43 C 06 38 56.68 +44 30 20.0 c 084
2003-01-12 18:32:54 C 06 34 07.98 +43 41 45.2 c 084
2003-01-13 23:29:09 C 06 31 08.31 +43 09 36.2 c 084
2003-01-14 05:40:25 C 06 30 31.23 +43 02 45.2 c 704
2003-01-14 06:02:09 C 06 30 28.98 +43 02 20.4 c 704
2003-01-14 06:23:58 C 06 30 26.75 +43 01 56.3 c 704
2003-01-14 06:45:56 C 06 30 24.45 +43 01 31.4 c 704
2003-01-14 07:07:46 C 06 30 22.22 +43 01 07.0 c 704
2003-01-20 00:26:26 C 06 17 58.25 +40 24 20.4 c 084
2003-01-31 04:49:59 C 06 01 24.03 +35 20 58.4 17.5 c 704
2003-01-31 05:11:52 C 06 01 22.99 +35 20 34.6 17.4 c 704
2003-01-31 05:33:12 C 06 01 22.01 +35 20 11.3 17.4 c 704
2003-01-31 05:54:24 C 06 01 21.06 +35 19 48.4 17.7 c 704
2003-01-31 06:16:02 C 06 01 20.05 +35 19 24.4 17.8 c 704
2003-02-01 04:50:12 C 06 00 22.90 +34 55 00.8 17.3 c 704