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
2004-11-02 16:38:04 C 20 01 27.10 +67 34 20.4 o 084
2004-11-03 18:29:11 C 20 04 44.16 +67 26 45.8 o 084
2004-11-08 17:27:22 C 20 21 08.61 +66 51 28.5 o 240
2004-11-08 17:28:57 C 20 21 08.84 +66 51 28.0 o 240
2004-11-08 17:30:32 C 20 21 09.05 +66 51 27.5 o 240
2004-11-08 17:33:42 C 20 21 09.50 +66 51 26.6 o 240
2004-11-08 17:36:52 C 20 21 09.97 +66 51 25.6 o 240
2004-11-08 17:38:26 C 20 21 10.19 +66 51 25.1 o 240
2004-11-08 17:40:01 C 20 21 10.42 +66 51 24.6 o 240
2004-11-08 17:41:36 C 20 21 10.64 +66 51 24.1 o 240
2004-11-14 18:09:36 C 20 43 40.32 +66 05 52.4 o 084
2004-11-17 19:58:50 C 20 56 07.34 +65 40 56.7 c 434
2004-11-17 20:00:50 C 20 56 07.66 +65 40 56.5 c 434
2004-11-17 20:02:51 C 20 56 08.03 +65 40 55.5 c 434
2004-11-17 20:04:52 C 20 56 08.37 +65 40 54.8 c 434
2004-11-17 20:06:54 C 20 56 08.80 +65 40 53.9 c 434
2004-11-21 20:09:39 C 21 13 10.22 +65 06 00.5 o 084
2004-11-22 17:49:11 C 21 17 07.61 +64 57 45.0 o 084
2004-11-25 16:54:48 C 21 30 20.98 +64 29 17.4 o 240
2004-11-25 16:56:24 C 21 30 21.27 +64 29 16.8 o 240
2004-11-25 16:59:34 C 21 30 21.89 +64 29 15.4 o 240
2004-11-25 17:01:09 C 21 30 22.16 +64 29 14.8 o 240
2004-11-25 17:04:19 C 21 30 22.73 +64 29 13.4 o 240
2004-11-25 17:05:54 C 21 30 23.04 +64 29 12.7 o 240
2004-11-25 17:07:29 C 21 30 23.32 +64 29 12.0 o 240
2004-11-25 18:25:16 C 21 30 37.89 +64 28 38.3 c A32
2004-11-25 18:28:31 C 21 30 38.37 +64 28 37.3 c A32
2004-11-25 18:43:14 C 21 30 41.09 +64 28 30.7 c A32
2004-11-25 18:54:43 C 21 30 43.31 +64 28 25.7 c A32
2004-11-25 19:49:56 C 21 30 53.36 +64 27 59.8 o 084
2004-11-27 02:13:35 C 21 36 39.41 +64 15 02.9 o 084
2004-11-27 15:44:01 C 21 39 14.23 +64 09 19.2 o 084
2004-11-28 16:22:30 C 21 43 57.60 +63 58 25.8 o 084
2004-11-30 03:25:47 C 21 50 43.56 +63 42 28.9 16.7 c 704
2004-11-30 03:43:37 C 21 50 46.93 +63 42 20.2 16.8 c 704
2004-11-30 04:01:28 C 21 50 50.38 +63 42 11.6 17.0 c 704
2004-11-30 04:19:22 C 21 50 53.81 +63 42 02.5 16.9 c 704
2004-12-08 19:34:52 C 22 31 43.93 +61 54 52.3 c A62
2004-12-08 19:38:02 C 22 31 44.61 +61 54 50.2 c A62
2004-12-08 19:46:17 C 22 31 46.18 +61 54 45.2 c A62
2004-12-08 19:56:38 C 22 31 48.11 +61 54 39.5 c A62
2004-12-08 19:58:46 C 22 31 48.64 +61 54 38.2 c A62
2004-12-11 08:55:40 C 22 43 54.31 +61 18 58.2 m 379
2004-12-11 08:57:50 C 22 43 54.74 +61 18 56.8 m 379
2004-12-11 08:59:59 C 22 43 55.20 +61 18 55.8 m 379
2004-12-11 17:52:03 C 22 45 40.60 +61 13 33.3 17.5 c 130
2004-12-11 17:53:07 C 22 45 40.82 +61 13 32.7 17.6 c 130
2004-12-11 17:54:10 C 22 45 41.01 +61 13 32.0 17.6 c 130
2004-12-11 17:55:14 C 22 45 41.22 +61 13 31.5 17.5 c 130
2004-12-15 09:11:12 C 23 02 54.30 +60 18 51.0 m 379