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
2021-02-02 07:44:06 S 07 45 35.136 +11 42 17.71 – V C57
2021-02-02 07:44:06 s 1 -30039.312 0 +389737.39 5820.0 – C57
2021-02-02 07:54:06 S 07 45 34.409 +11 42 12.53 – V C57
2021-02-02 07:54:06 s 1 -30387.895 0 +389750.39 4930.0 – C57
2021-02-02 08:04:06 S 07 45 33.480 +11 42 06.84 – V C57
2021-02-02 08:04:06 s 1 -30736.403 0 +389762.45 3960.0 – C57
2021-02-02 08:14:06 S 07 45 32.638 +11 42 02.99 – V C57
2021-02-02 08:14:06 s 1 -31084.837 0 +389773.58 2920.0 – C57
2021-02-02 08:24:06 S 07 45 31.848 +11 41 57.55 – V C57
2021-02-02 08:24:06 s 1 -31433.195 0 +389783.78 1810.0 – C57
2021-02-02 08:34:06 S 07 45 30.996 +11 41 51.11 – V C57
2021-02-02 08:34:06 s 1 -31781.476 0 +389793.04 620.0 – C57
2021-02-02 08:44:06 S 07 45 30.156 +11 41 45.96 – V C57
2021-02-02 08:44:06 s 1 -32129.680 0 +389801.37 9360.0 – C57
2021-02-02 08:54:06 S 07 45 29.352 +11 41 39.26 – V C57
2021-02-02 08:54:06 s 1 -32477.805 0 +389808.76 8020.0 – C57
2021-02-02 09:04:06 S 07 45 28.370 +11 41 33.94 – V C57
2021-02-02 09:04:06 s 1 -32825.851 0 +389815.22 6590.0 – C57
2021-02-02 09:14:06 S 07 45 27.708 +11 41 29.65 – V C57
2021-02-02 09:14:06 s 1 -33173.818 0 +389820.75 5090.0 – C57
2021-02-02 09:24:06 S 07 45 26.700 +11 41 24.72 – V C57
2021-02-02 09:24:06 s 1 -33521.703 0 +389825.34 3500.0 – C57
2021-02-02 09:34:06 S 07 45 26.047 +11 41 19.10 – V C57
2021-02-02 09:34:06 s 1 -33869.507 0 +389829.01 1820.0 – C57
2021-02-02 09:44:06 S 07 45 25.092 +11 41 12.77 – V C57
2021-02-02 09:44:06 s 1 -34217.229 0 +389831.74 70.0 – C57
2021-02-02 09:54:06 S 07 45 24.283 +11 41 07.44 – V C57
2021-02-02 09:54:06 s 1 -34564.868 0 +389833.54 8220.0 – C57
2021-02-02 10:04:06 S 07 45 23.474 +11 41 03.16 – V C57
2021-02-02 10:04:06 s 1 -34912.422 0 +389834.41 6290.0 – C57
2021-02-02 10:14:06 S 07 45 22.582 +11 40 57.47 – V C57
2021-02-02 10:14:06 s 1 -35259.892 0 +389834.34 4260.0 – C57
2021-02-02 10:24:06 S 07 45 21.794 +11 40 52.86 – V C57
2021-02-02 10:24:06 s 1 -35607.276 0 +389833.35 2150.0 – C57
2021-02-02 10:34:06 S 07 45 20.938 +11 40 46.56 – V C57
2021-02-02 10:34:06 s 1 -35954.574 0 +389831.42 9940.0 – C57
2021-02-02 10:44:06 S 07 45 20.004 +11 40 41.09 – V C57
2021-02-02 10:44:06 s 1 -36301.784 0 +389828.57 7630.0 – C57
2021-02-02 10:54:06 S 07 45 19.310 +11 40 34.57 – V C57
2021-02-02 10:54:06 s 1 -36648.907 0 +389824.78 5230.0 – C57
2021-02-02 11:04:06 S 07 45 18.370 +11 40 29.21 – V C57
2021-02-02 11:04:06 s 1 -36995.940 0 +389820.06 2740.0 – C57
2021-02-02 11:14:06 S 07 45 17.611 +11 40 26.69 – V C57
2021-02-02 11:14:06 s 1 -37342.884 0 +389814.42 140.0 – C57
2021-02-02 11:34:06 S 07 45 15.787 +11 40 14.09 – V C57
2021-02-02 11:34:06 s 1 -38036.500 0 +389800.34 4650.0 – C57
2021-02-02 11:44:06 S 07 45 15.190 +11 40 08.29 – V C57
2021-02-02 11:44:06 s 1 -38383.170 0 +389791.90 1750.0 – C57
2021-02-02 11:54:06 S 07 45 14.076 +11 40 04.48 – V C57
2021-02-02 11:54:06 s 1 -38729.747 0 +389782.54 8750.0 – C57