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
2003-02-01 05:11:40 C 06 00 21.96 +34 54 37.4 17.7 c 704
2003-02-01 05:32:50 C 06 00 21.07 +34 54 14.9 17.7 c 704
2003-02-01 05:54:33 C 06 00 20.14 +34 53 51.2 17.5 c 704
2003-02-01 06:18:09 C 06 00 19.11 +34 53 25.9 17.4 c 704
2003-02-02 03:56:46 C 05 59 28.16 +34 30 20.9 17.6 c 704
2003-02-02 04:19:46 C 05 59 27.23 +34 29 55.9 17.8 c 704
2003-02-02 04:41:19 C 05 59 26.38 +34 29 33.3 18.6 c 704
2003-02-02 05:02:32 C 05 59 25.52 +34 29 11.3 17.7 c 704
2003-02-02 05:23:46 C 05 59 24.66 +34 28 48.3 17.5 c 704
2003-02-04 19:00:14 C 05 57 17.74 +33 24 22.2 c 084
2003-02-04 19:07:53 C 05 57 17.53 +33 24 14.3 c 084
2003-02-15 19:12:20 C 05 52 45.74 +29 14 09.3 c 084
2003-03-02 18:34:47 C 05 55 45.99 +24 42 04.3 c 084
2003-03-03 18:42:55 C 05 56 15.65 +24 26 20.2 c 084
2003-03-06 18:56:27 C 05 57 55.62 +23 40 52.4 c 084
2003-03-07 18:35:18 C 05 58 31.82 +23 26 30.2 c 084
2003-03-08 02:35:35 C 05 58 44.48 +23 21 44.2 18.4 c 704
2003-03-08 02:54:25 C 05 58 44.98 +23 21 32.3 18.2 c 704
2003-03-08 03:13:24 C 05 58 45.44 +23 21 20.9 18.5 c 704
2003-03-08 03:32:45 C 05 58 45.88 +23 21 09.2 18.0 c 704
2003-03-08 03:52:57 C 05 58 46.46 +23 20 57.5 18.4 c 704
2003-03-08 18:41:58 C 05 59 10.40 +23 12 06.9 c 084
2003-03-21 19:59:18 C 06 09 43.16 +20 25 04.8 c 084
2003-03-26 02:52:30 C 06 13 56.02 +19 36 52.3 18.3 c 704
2003-03-26 03:09:28 C 06 13 56.75 +19 36 44.8 18.6 c 704
2003-03-26 03:26:35 C 06 13 57.43 +19 36 36.7 19.0 c 704
2003-03-26 03:43:37 C 06 13 58.17 +19 36 29.4 19.0 c 704
2003-03-26 04:00:46 C 06 13 58.89 +19 36 21.8 19.3 c 704
2003-03-31 02:41:15 C 06 19 13.52 +18 43 51.2 18.6 c 704
2003-03-31 02:58:30 C 06 19 14.28 +18 43 43.7 18.8 c 704
2003-03-31 03:15:31 C 06 19 15.03 +18 43 36.2 18.8 c 704
2003-03-31 03:32:34 C 06 19 15.77 +18 43 28.4 19.3 c 704
2003-03-31 03:49:44 C 06 19 16.61 +18 43 21.8 18.7 c 704
2003-04-03 03:00:31 C 06 22 36.01 +18 13 13.9 18.4 c 704
2003-04-03 03:17:34 C 06 22 36.79 +18 13 07.3 18.7 c 704
2003-04-03 03:34:34 C 06 22 37.58 +18 12 59.5 18.7 c 704
2003-04-05 03:19:26 C 06 24 55.52 +17 53 14.1 18.9 c 704
2003-04-05 03:37:51 C 06 24 56.28 +17 53 06.4 18.9 c 704
2003-04-05 03:55:33 C 06 24 57.21 +17 52 58.5 18.8 c 704
2003-04-05 04:13:19 C 06 24 58.05 +17 52 51.6 18.9 c 704
2004-06-14 10:15:47 C 23 13 58.88 -04 47 46.4 d 703
2004-06-14 10:25:18 C 23 13 59.22 -04 47 23.5 d 703
2004-06-14 10:34:53 C 23 13 59.60 -04 47 01.4 d 703
2004-06-14 10:44:25 C 23 13 59.96 -04 46 38.7 d 703
2004-06-14 18:23:20 C 23 14 18.17 -04 28 15.3 r E12
2004-06-14 18:36:24 C 23 14 18.62 -04 27 44.3 r E12
2004-06-14 18:49:28 C 23 14 19.21 -04 27 15.0 r E12
2004-06-14 19:02:34 C 23 14 19.66 -04 26 42.0 r E12
2004-06-18 09:04:50 C 23 17 35.65 -00 55 52.3 16.7 c 704
2004-06-18 09:19:19 C 23 17 36.15 -00 55 15.9 16.8 c 704