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
2019-01-11 12:55:40 C 10 08 19.89 -14 42 54.5 – V T05
2019-01-12 13:35:38 C 10 07 06.84 -15 03 43.3 – V T08
2019-01-12 13:51:55 C 10 07 06.00 -15 03 57.0 – V T08
2019-01-12 14:05:56 C 10 07 05.28 -15 04 08.6 – V T08
2019-01-14 12:36:30 C 10 04 40.03 -15 42 53.5 – V T05
2019-01-14 13:03:23 C 10 04 38.53 -15 43 15.5 – V T05
2019-01-14 13:06:40 C 10 04 38.34 -15 43 18.3 – V T05
2019-01-14 13:22:22 C 10 04 37.47 -15 43 31.3 – V T05
2019-01-15 11:40:36 C 10 03 24.261 -16 01 50.26 – U F52
2019-01-15 11:58:17 C 10 03 23.245 -16 02 04.75 – U F52
2019-01-15 12:15:58 C 10 03 22.228 -16 02 19.21 – U F52
2019-01-15 12:33:37 C 10 03 21.211 -16 02 33.65 – U F52
2019-01-16 12:00:05 C 10 02 01.57 -16 21 36.6 – V T08
2019-01-16 12:11:24 C 10 02 00.89 -16 21 45.5 – V T08
2019-01-16 12:24:02 C 10 02 00.15 -16 21 56.0 – V T08
2019-01-16 12:35:49 C 10 01 59.44 -16 22 05.3 – V T08
2019-01-17 07:09:13 C 10 00 54.76 -16 37 01.5 – V 703
2019-01-17 07:17:17 C 10 00 54.28 -16 37 07.9 – V 703
2019-01-17 07:25:23 C 10 00 53.78 -16 37 14.3 – V 703
2019-01-17 07:33:28 C 10 00 53.30 -16 37 20.7 – V 703
2019-01-17 12:04:24 C 10 00 37.12 -16 40 56.6 – V T08
2019-01-17 12:17:30 C 10 00 36.30 -16 41 07.1 – V T08
2019-01-17 12:29:56 C 10 00 35.56 -16 41 16.9 – V T08
2019-01-17 13:07:05 C 10 00 33.273 -16 41 46.50 – U F51
2019-01-17 13:24:44 C 10 00 32.188 -16 42 00.59 – U F51
2019-01-17 14:00:04 C 10 00 30.025 -16 42 28.68 – U F51
2019-01-20 12:02:18 C 09 56 09.24 -17 37 12.7 – V T08
2019-01-20 12:26:46 C 09 56 07.60 -17 37 32.3 – V T08
2019-01-20 12:36:19 C 09 56 06.97 -17 37 39.6 – V T08
2019-01-20 12:42:32 C 09 56 06.55 -17 37 43.9 – V T08
2019-01-21 10:07:11 C 09 54 42.749 -17 53 59.27 – U F52
2019-01-21 10:24:14 C 09 54 41.589 -17 54 12.22 – U F52
2019-01-21 10:40:54 C 09 54 40.455 -17 54 24.82 – U F52
2019-01-21 10:57:31 C 09 54 39.324 -17 54 37.39 – U F52
2019-01-23 10:02:57 C 09 51 27.24 -18 29 30.0 – V I41
2019-01-23 10:06:53 C 09 51 26.97 -18 29 32.9 – V I41
2019-01-23 11:10:08 C 09 51 22.51 -18 30 19.0 – V I41
2019-01-23 11:11:28 C 09 51 22.37 -18 30 20.7 – V I41
2019-01-24 10:56:53 C 09 49 42.40 -18 47 23.9 – V T08
2019-01-24 11:07:30 C 09 49 41.59 -18 47 31.0 – V T08
2019-01-24 11:29:23 C 09 49 40.02 -18 47 47.0 – V T08
2019-01-24 11:34:41 C 09 49 39.64 -18 47 50.5 – V T08
2019-01-26 08:33:35 C 09 46 23.65 -19 19 13.2 – V 703
2019-01-26 08:41:18 C 09 46 23.06 -19 19 18.7 – V 703
2019-01-26 08:49:58 C 09 46 22.37 -19 19 24.1 – V 703
2019-01-26 08:57:41 C 09 46 21.83 -19 19 30.1 – V 703
2019-01-28 11:38:07 C 09 42 32.25 -19 53 09.2 – V T08
2019-01-28 11:48:05 C 09 42 31.47 -19 53 15.5 – V T08
2019-01-28 11:58:02 C 09 42 30.67 -19 53 22.1 – V T08
2019-01-28 12:10:28 C 09 42 29.71 -19 53 29.9 – V T08