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
2019-02-12 01:14:35 S 09 13 24.821 -22 48 52.52 – V C57
2019-02-12 01:14:35 s 1 -194035.04 1 +241077.15 5770.0 – C57
2019-02-12 01:44:35 S 09 13 22.464 -22 49 02.10 – V C57
2019-02-12 01:44:35 s 1 -194335.89 0 +239504.90 5290.0 – C57
2019-02-12 02:14:35 S 09 13 19.435 -22 49 11.86 – V C57
2019-02-12 02:14:35 s 1 -194628.88 6 +237922.84 5820.0 – C57
2019-02-12 02:44:35 S 09 13 16.682 -22 49 21.76 – V C57
2019-02-12 02:44:35 s 1 -194913.94 4 +236330.95 6990.0 – C57
2019-02-12 03:14:35 S 09 13 13.982 -22 49 30.54 – V C57
2019-02-12 03:14:35 s 1 -195190.97 9 +234729.20 8400.0 – C57
2019-02-12 03:44:35 S 09 13 11.335 -22 49 40.48 – V C57
2019-02-12 03:44:35 s 1 -195459.90 4 +233117.56 9670.0 – C57
2019-02-12 04:14:35 S 09 13 08.590 -22 49 49.94 – V C57
2019-02-12 04:14:35 s 1 -195720.62 8 +231496.02 390.0 – C57
2019-02-12 04:44:35 S 09 13 05.818 -22 50 00.06 – V C57
2019-02-12 04:44:35 s 1 -195973.06 4 +229864.55 160.0 – C57
2019-02-12 05:14:35 S 09 13 03.163 -22 50 08.84 – V C57
2019-02-12 05:14:35 s 1 -196217.11 8 +228223.13 8580.0 – C57
2019-02-12 05:15:10 C 09 13 00.11 -22 49 19.4 – V 703
2019-02-12 05:22:49 C 09 12 59.44 -22 49 21.9 – V 703
2019-02-12 05:30:27 C 09 12 58.76 -22 49 24.5 – V 703
2019-02-12 05:38:05 C 09 12 58.10 -22 49 27.1 – V 703
2019-02-12 05:44:35 S 09 13 00.451 -22 50 18.17 – V C57
2019-02-12 05:44:35 s 1 -196452.69 8 +226571.73 5210.0 – C57
2019-02-12 06:44:35 S 09 12 54.965 -22 50 37.25 – V C57
2019-02-12 06:44:35 s 1 -196898.05 6 +223238.89 1420.0 – C57
2019-02-12 07:14:35 S 09 12 52.363 -22 50 46.64 – V C57
2019-02-12 07:14:35 s 1 -197107.64 0 +221557.41 120.0 – C57
2019-02-12 07:44:35 S 09 12 49.526 -22 50 56.76 – V C57
2019-02-12 07:44:35 s 1 -197308.36 3 +219865.85 5290.0 – C57
2019-02-12 08:14:35 S 09 12 46.944 -22 51 04.72 – V C57
2019-02-12 08:14:35 s 1 -197500.12 2 +218164.18 6470.0 – C57
2019-02-12 09:14:35 S 09 12 41.383 -22 51 24.16 – V C57
2019-02-12 09:14:35 s 1 -197856.34 1 +214730.45 5000.0 – C57
2019-02-12 09:44:35 S 09 12 38.755 -22 51 34.45 – V C57
2019-02-12 09:44:35 s 1 -198020.58 9 +212998.33 1390.0 – C57
2019-02-12 10:14:35 S 09 12 35.995 -22 51 42.52 – V C57
2019-02-12 10:14:35 s 1 -198175.45 3 +211256.01 1890.0 – C57
2019-02-12 10:44:35 S 09 12 33.331 -22 51 52.38 – V C57
2019-02-12 10:44:35 s 1 -198320.82 2 +209503.45 5990.0 – C57
2019-02-12 11:14:35 S 09 12 30.646 -22 52 00.34 – V C57
2019-02-12 11:14:35 s 1 -198456.58 5 +207740.65 3180.0 – C57
2019-02-12 11:44:35 S 09 12 27.919 -22 52 09.98 – V C57
2019-02-12 11:44:35 s 1 -198582.62 8 +205967.56 2950.0 – C57
2019-02-12 12:14:35 S 09 12 25.121 -22 52 19.16 – V C57
2019-02-12 12:14:35 s 1 -198698.83 5 +204184.17 4770.0 – C57
2019-02-12 12:44:35 S 09 12 22.421 -22 52 28.78 – V C57
2019-02-12 12:44:35 s 1 -198805.08 8 +202390.45 8110.0 – C57
2019-02-12 13:14:35 S 09 12 19.718 -22 52 37.31 – V C57
2019-02-12 13:14:35 s 1 -198901.26 7 +200586.37 2410.0 – C57