IAA RAS IAA Minor Planet Database

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
2004-09-30 05:20:24 C 19 22 46.18 +71 46 23.2 – c H41
2004-09-30 10:46:44 C 19 22 31.08 +71 44 44.9 – m 379
2004-09-30 10:48:53 C 19 22 31.06 +71 44 44.4 – m 379
2004-10-01 19:35:24 C 19 21 06.02 +71 34 12.3 – o 084
2004-10-03 19:30:50 C 19 19 36.53 +71 18 40.0 – o A13
2004-10-03 19:33:38 C 19 19 36.44 +71 18 39.1 – o A13
2004-10-03 19:36:52 C 19 19 36.38 +71 18 37.8 – o A13
2004-10-03 19:37:56 C 19 19 36.36 +71 18 37.5 – o A13
2004-10-03 19:40:17 C 19 19 36.24 +71 18 36.8 – o A13
2004-10-07 09:48:05 C 19 18 33.27 +70 50 07.5 – m 379
2004-10-07 09:50:15 C 19 18 33.24 +70 50 06.8 – m 379
2004-10-07 09:54:32 C 19 18 33.11 +70 50 05.3 – m 379
2004-10-07 09:58:51 C 19 18 33.15 +70 50 03.9 – m 379
2004-10-07 10:00:59 C 19 18 33.20 +70 50 03.0 – m 379
2004-10-07 10:03:08 C 19 18 33.05 +70 50 02.5 – m 379
2004-10-07 20:26:54 C 19 18 33.22 +70 46 28.0 – o 084
2004-10-10 18:00:32 C 19 19 19.42 +70 23 24.2 – o 084
2004-10-11 23:14:53 C 19 19 59.51 +70 13 38.6 – o 084
2004-10-12 19:15:27 C 19 20 34.54 +70 07 10.4 – d 557
2004-10-12 19:28:12 C 19 20 34.88 +70 07 05.9 – d 557
2004-10-12 19:44:10 C 19 20 35.33 +70 07 00.4 – d 557
2004-10-12 20:00:06 C 19 20 35.75 +70 06 54.9 – d 557
2004-10-12 20:16:03 C 19 20 36.20 +70 06 49.3 – d 557
2004-10-15 09:04:46 C 19 22 57.28 +69 47 06.3 – m 379
2004-10-15 09:08:04 C 19 22 57.40 +69 47 05.2 – m 379
2004-10-15 09:14:48 C 19 22 57.62 +69 47 03.4 – m 379
2004-10-15 09:21:15 C 19 22 57.80 +69 47 00.8 – m 379
2004-10-15 09:23:23 C 19 22 57.98 +69 47 00.0 – m 379
2004-10-15 09:27:42 C 19 22 58.13 +69 46 59.4 – m 379
2004-10-15 11:01:14 C 19 23 01.57 +69 46 27.0 – m 355
2004-10-15 11:08:40 C 19 23 01.98 +69 46 24.6 – m 355
2004-10-15 11:14:07 C 19 23 02.39 +69 46 22.9 – m 355
2004-10-15 11:18:27 C 19 23 02.52 +69 46 21.8 – m 355
2004-10-15 17:29:40 C 19 23 20.31 +69 44 19.2 – o 084
2004-10-16 10:13:52 C 19 24 09.15 +69 39 00.7 – m 379
2004-10-16 10:22:28 C 19 24 09.50 +69 38 57.6 – m 379
2004-10-16 10:24:36 C 19 24 09.56 +69 38 57.2 – m 379
2004-10-16 10:31:03 C 19 24 09.85 +69 38 54.7 – m 379
2004-10-18 18:48:53 C 19 27 21.36 +69 21 02.6 – d 557
2004-10-18 19:47:53 C 19 27 24.83 +69 20 43.1 – d 557
2004-10-18 20:54:37 C 19 27 28.82 +69 20 20.8 – d 557
2004-10-18 21:23:17 C 19 27 30.57 +69 20 11.0 – d 557
2004-10-18 22:03:26 C 19 27 33.06 +69 19 57.4 – d 557
2004-10-22 19:59:59 C 19 34 21.01 +68 51 03.9 – d 557
2004-10-22 20:09:33 C 19 34 21.74 +68 51 00.6 – d 557
2004-10-22 20:19:07 C 19 34 22.49 +68 50 57.6 – d 557
2004-10-25 15:48:11 C 19 40 17.68 +68 30 45.6 – o 084
2004-10-28 17:06:38 C 19 47 36.67 +68 09 09.7 – o 084
2004-10-30 17:26:20 C 19 52 55.80 +67 55 03.7 – o 084
2004-11-01 17:21:42 C 19 58 34.74 +67 41 06.2 – o 084