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
2001-02-15 20:38:04 C 07 52 03.86 +00 22 30.0 610
2001-02-15 20:43:03 C 07 52 03.54 +00 22 28.5 610
2001-02-15 20:48:03 C 07 52 03.22 +00 22 27.0 610
2001-02-15 20:53:04 C 07 52 02.89 +00 22 25.5 610
2001-02-15 20:58:04 C 07 52 02.57 +00 22 24.0 610
2001-02-26 02:40:07 C 07 38 21.69 -00 36 09.6 18.1 739
2001-02-26 02:44:22 C 07 38 21.53 -00 36 10.6 18.3 739
2001-02-26 02:52:53 C 07 38 21.11 -00 36 11.9 18.2 739
2001-02-26 02:59:34 C 07 38 20.84 -00 36 13.6 18.0 739
2002-07-03 01:57:20 C 02 32 09.61 +46 15 48.9 c 599
2002-07-03 02:00:00 C 02 32 10.00 +46 15 50.3 c 599
2002-07-03 02:02:41 C 02 32 10.51 +46 15 52.1 c 599
2002-07-03 02:05:30 C 02 32 10.90 +46 15 56.4 c 599
2002-09-19 22:56:02 C 07 39 45.23 +56 25 13.3 c 084
2002-09-25 22:25:25 C 07 55 39.24 +55 58 35.2 c 084
2002-10-02 02:46:59 C 08 10 17.50 +55 30 01.2 c 084
2002-10-04 00:58:16 C 08 14 28.26 +55 21 07.8 c 084
2002-10-05 22:38:04 C 08 18 25.49 +55 12 27.0 c 084
2002-10-07 01:47:57 C 08 20 41.24 +55 07 22.8 c 084
2002-10-13 23:04:51 C 08 33 04.61 +54 37 51.7 c 084
2002-10-14 21:01:25 C 08 34 32.29 +54 34 10.0 c 084
2002-11-13 09:55:58 C 08 55 49.52 +53 23 35.8 17.6 c 704
2002-11-13 10:21:25 C 08 55 49.16 +53 23 33.2 18.7 c 704
2002-11-13 10:47:48 C 08 55 48.71 +53 23 32.7 18.6 c 704
2002-11-13 11:14:14 C 08 55 48.45 +53 23 31.8 19.0 c 704
2002-11-13 11:39:59 C 08 55 47.90 +53 23 31.3 18.0 c 704
2002-11-16 09:46:37 C 08 54 40.36 +53 21 30.7 16.3 c 704
2002-11-16 10:10:35 C 08 54 39.80 +53 21 30.3 16.9 c 704
2002-11-16 10:34:20 C 08 54 39.21 +53 21 29.3 18.1 c 704
2002-11-16 10:57:38 C 08 54 38.71 +53 21 29.1 18.2 c 704
2002-11-16 11:21:19 C 08 54 38.14 +53 21 28.1 17.4 c 704
2002-11-24 07:56:42 C 08 48 01.82 +53 17 07.3 17.0 c 704
2002-11-24 08:18:20 C 08 48 00.81 +53 17 06.6 17.2 c 704
2002-11-24 08:39:07 C 08 47 59.75 +53 17 06.4 17.2 c 704
2002-11-24 08:59:47 C 08 47 58.75 +53 17 05.8 17.2 c 704
2002-11-29 22:25:42 C 08 39 56.41 +53 11 52.7 c 084
2002-12-07 23:44:22 C 08 23 10.51 +52 52 41.0 c 084
2002-12-09 02:33:58 C 08 20 22.93 +52 48 14.3 d 557
2002-12-09 03:02:42 C 08 20 19.82 +52 48 09.1 d 557
2002-12-09 03:34:35 C 08 20 16.35 +52 48 03.2 d 557
2002-12-09 04:03:18 C 08 20 13.22 +52 47 57.8 d 557
2002-12-09 04:32:00 C 08 20 10.10 +52 47 52.6 d 557
2002-12-09 05:03:54 C 08 20 06.66 +52 47 46.5 d 557
2002-12-09 20:06:42 C 08 18 30.73 +52 44 56.1 d 557
2002-12-09 21:02:25 C 08 18 24.67 +52 44 46.3 d 557
2002-12-09 22:03:21 C 08 18 17.98 +52 44 35.7 d 557
2002-12-09 23:02:32 C 08 18 11.45 +52 44 25.2 d 557
2002-12-10 00:15:46 C 08 18 03.29 +52 44 11.7 d 557
2002-12-10 01:19:32 C 08 17 56.18 +52 43 59.6 d 557
2002-12-10 02:20:04 C 08 17 49.41 +52 43 47.9 d 557