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
2004-09-07 01:27:50 C 20 42 41.08 +72 50 46.6 – d 118
2004-09-07 01:30:38 C 20 42 40.49 +72 50 47.2 – d 557
2004-09-07 01:32:15 C 20 42 40.07 +72 50 47.7 – d 118
2004-09-07 02:02:31 C 20 42 33.17 +72 50 54.9 – d 557
2004-09-07 20:06:36 C 20 38 30.36 +72 55 31.9 – c 434
2004-09-07 20:08:18 C 20 38 29.91 +72 55 32.3 – c 434
2004-09-07 20:10:00 C 20 38 29.49 +72 55 33.3 – c 434
2004-09-07 20:11:41 C 20 38 29.12 +72 55 33.2 – c 434
2004-09-08 06:16:34 C 20 36 12.34 +72 57 45.6 – c H41
2004-09-08 06:17:52 C 20 36 12.08 +72 57 46.0 – c H41
2004-09-08 06:19:09 C 20 36 11.76 +72 57 46.1 – c H41
2004-09-08 06:20:33 C 20 36 11.47 +72 57 46.6 – c H41
2004-09-08 06:21:48 C 20 36 11.18 +72 57 46.9 – c H41
2004-09-08 12:38:27 C 20 34 48.94 +72 59 05.7 – m 379
2004-09-08 12:42:46 C 20 34 47.90 +72 59 06.6 – m 379
2004-09-08 12:44:54 C 20 34 47.87 +72 59 07.9 – m 379
2004-09-08 19:19:03 C 20 33 21.51 +73 00 18.9 – d 048
2004-09-08 19:20:17 C 20 33 21.21 +73 00 19.2 – d 048
2004-09-08 19:21:32 C 20 33 20.95 +73 00 19.4 – d 048
2004-09-08 19:22:47 C 20 33 20.68 +73 00 19.6 – d 048
2004-09-08 19:24:02 C 20 33 20.39 +73 00 20.0 – d 048
2004-09-08 19:25:16 C 20 33 20.06 +73 00 20.2 – d 048
2004-09-08 19:30:52 C 20 33 18.76 +73 00 21.1 – d 557
2004-09-08 20:00:03 C 20 33 12.14 +73 00 26.6 – d 557
2004-09-08 20:43:50 C 20 33 02.21 +73 00 34.4 – d 557
2004-09-08 21:09:21 C 20 32 56.44 +73 00 39.0 – d 557
2004-09-08 21:41:17 C 20 32 49.22 +73 00 44.3 – d 557
2004-09-08 22:32:31 C 20 32 37.67 +73 00 52.7 – d 557
2004-09-08 22:48:27 C 20 32 34.09 +73 00 55.2 – d 557
2004-09-08 23:30:13 C 20 32 24.74 +73 01 01.7 – d 557
2004-09-09 00:01:10 C 20 32 17.81 +73 01 06.4 – d 557
2004-09-09 00:39:02 C 20 32 09.36 +73 01 11.8 – d 118
2004-09-09 00:43:26 C 20 32 08.38 +73 01 12.4 – d 118
2004-09-09 00:46:22 C 20 32 07.80 +73 01 13.0 – d 557
2004-09-09 00:47:51 C 20 32 07.37 +73 01 13.0 – d 118
2004-09-09 00:52:16 C 20 32 06.43 +73 01 13.7 – d 118
2004-09-09 00:56:40 C 20 32 05.50 +73 01 14.2 – d 118
2004-09-09 01:30:50 C 20 31 58.00 +73 01 19.4 – d 557
2004-09-09 02:16:22 C 20 31 48.04 +73 01 25.6 – d 557
2004-09-09 06:55:51 C 20 30 47.33 +73 02 18.0 – c H41
2004-09-09 06:57:52 C 20 30 46.94 +73 02 17.8 – c H41
2004-09-09 06:59:08 C 20 30 46.62 +73 02 18.2 – c H41
2004-09-09 07:00:25 C 20 30 46.40 +73 02 18.2 – c H41
2004-09-09 11:29:17 C 20 29 50.19 +73 03 03.3 – m 379
2004-09-09 11:31:25 C 20 29 49.65 +73 03 03.5 – m 379
2004-09-09 11:33:35 C 20 29 49.13 +73 03 04.0 – m 379
2004-09-09 11:35:44 C 20 29 48.62 +73 03 04.8 – m 379
2004-09-09 18:54:38 C 20 28 14.81 +73 04 05.2 – o 240
2004-09-09 18:56:46 C 20 28 14.34 +73 04 05.5 – o 240
2004-09-09 18:58:54 C 20 28 13.87 +73 04 05.8 – o 240