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
2004-08-12 08:08:34 C 22 48 15.51 +61 32 33.2 c H41
2004-08-12 08:10:15 C 22 48 15.31 +61 32 36.5 c H41
2004-08-12 08:11:49 C 22 48 15.08 +61 32 39.5 c H41
2004-08-12 08:13:16 C 22 48 14.88 +61 32 42.4 c H41
2004-08-12 13:22:41 C 22 47 35.39 +61 42 53.2 m 379
2004-08-12 13:24:50 C 22 47 35.11 +61 42 57.4 m 379
2004-08-12 13:29:09 C 22 47 34.52 +61 43 06.4 m 379
2004-08-12 13:31:17 C 22 47 34.24 +61 43 10.2 m 379
2004-08-12 13:33:27 C 22 47 33.93 +61 43 14.6 m 379
2004-08-12 13:35:36 C 22 47 33.62 +61 43 19.4 m 379
2004-08-13 09:02:56 C 22 44 54.31 +62 21 12.8 c H41
2004-08-13 09:04:40 C 22 44 54.08 +62 21 16.3 c H41
2004-08-13 09:06:19 C 22 44 53.84 +62 21 19.2 c H41
2004-08-13 09:07:47 C 22 44 53.62 +62 21 22.0 c H41
2004-08-13 09:09:12 C 22 44 53.42 +62 21 24.7 c H41
2004-08-13 17:11:36 C 22 43 46.45 +62 36 45.9 o 379
2004-08-13 17:13:44 C 22 43 46.16 +62 36 49.5 o 379
2004-08-13 17:15:53 C 22 43 45.88 +62 36 53.9 o 379
2004-08-13 17:18:03 C 22 43 45.50 +62 36 57.9 o 379
2004-08-14 06:50:06 C 22 41 50.80 +63 02 22.0 c H41
2004-08-14 06:52:13 C 22 41 50.48 +63 02 25.9 c H41
2004-08-14 06:54:05 C 22 41 50.21 +63 02 29.4 c H41
2004-08-14 06:55:25 C 22 41 49.98 +63 02 31.7 c H41
2004-08-14 06:56:40 C 22 41 49.81 +63 02 34.3 c H41
2004-08-15 10:16:03 C 22 37 45.56 +63 52 10.4 c H41
2004-08-15 10:17:37 C 22 37 45.30 +63 52 13.6 c H41
2004-08-15 10:18:54 C 22 37 45.13 +63 52 15.2 c H41
2004-08-15 10:20:09 C 22 37 44.87 +63 52 17.5 c H41
2004-08-15 10:21:28 C 22 37 44.71 +63 52 20.2 c H41
2004-08-15 16:54:32 C 22 36 45.22 +64 03 58.3 m 379
2004-08-15 16:56:40 C 22 36 44.87 +64 04 01.7 m 379
2004-08-15 16:58:49 C 22 36 44.50 +64 04 05.5 m 379
2004-08-15 17:00:59 C 22 36 44.15 +64 04 09.3 m 379
2004-08-15 17:05:16 C 22 36 43.48 +64 04 16.6 m 379
2004-08-15 17:09:35 C 22 36 42.82 +64 04 24.2 m 379
2004-08-16 06:33:45 C 22 34 38.10 +64 27 42.4 c H41
2004-08-16 06:35:41 C 22 34 37.77 +64 27 46.1 c H41
2004-08-16 06:37:14 C 22 34 37.53 +64 27 48.5 c H41
2004-08-16 06:38:39 C 22 34 37.22 +64 27 51.0 c H41
2004-08-16 06:40:07 C 22 34 37.05 +64 27 53.5 c H41
2004-08-17 07:13:54 C 22 30 38.40 +65 09 13.2 c H41
2004-08-17 07:16:12 C 22 30 38.00 +65 09 16.8 c H41
2004-08-17 07:17:35 C 22 30 37.78 +65 09 19.1 c H41
2004-08-17 07:18:59 C 22 30 37.54 +65 09 21.6 c H41
2004-08-17 07:20:23 C 22 30 37.29 +65 09 23.9 c H41
2004-08-18 09:37:09 C 22 26 09.54 +65 51 35.8 c H41
2004-08-18 09:38:38 C 22 26 09.25 +65 51 38.1 c H41
2004-08-18 09:40:18 C 22 26 08.98 +65 51 40.5 c H41
2004-08-18 09:41:45 C 22 26 08.72 +65 51 43.0 c H41
2004-08-18 09:43:12 C 22 26 08.46 +65 51 45.1 c H41