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
2021-01-31 03:24:06 S 07 50 02.621 +12 10 23.16 – V C57
2021-01-31 03:24:06 s 1 +78383.524 0 +336865.83 4330.0 – C57
2021-01-31 03:34:06 S 07 50 01.759 +12 10 17.04 – V C57
2021-01-31 03:34:06 s 1 +78058.939 0 +337200.63 5610.0 – C57
2021-01-31 03:44:06 S 07 50 00.852 +12 10 12.18 – V C57
2021-01-31 03:44:06 s 1 +77734.084 0 +337534.25 6360.0 – C57
2021-01-31 03:54:06 S 07 50 00.108 +12 10 07.07 – V C57
2021-01-31 03:54:06 s 1 +77408.960 0 +337866.71 6580.0 – C57
2021-01-31 04:04:06 S 07 49 59.220 +12 10 01.52 – V C57
2021-01-31 04:04:06 s 1 +77083.571 0 +338198.00 6270.0 – C57
2021-01-31 04:14:06 S 07 49 58.294 +12 09 56.56 – V C57
2021-01-31 04:14:06 s 1 +76757.916 0 +338528.12 5440.0 – C57
2021-01-31 04:24:06 S 07 49 57.485 +12 09 50.69 – V C57
2021-01-31 04:24:06 s 1 +76431.998 0 +338857.08 4080.0 – C57
2021-01-31 04:54:06 S 07 49 54.840 +12 09 36.14 – V C57
2021-01-31 04:54:06 s 1 +75452.683 0 +339836.98 6900.0 – C57
2021-01-31 05:04:06 S 07 49 53.935 +12 09 30.24 – V C57
2021-01-31 05:04:06 s 1 +75125.730 0 +340161.29 3480.0 – C57
2021-01-31 05:14:06 S 07 49 53.162 +12 09 24.59 – V C57
2021-01-31 05:14:06 s 1 +74798.521 0 +340484.45 9550.0 – C57
2021-01-31 05:24:06 S 07 49 52.438 +12 09 22.28 – V C57
2021-01-31 05:24:06 s 1 +74471.060 0 +340806.45 5120.0 – C57
2021-01-31 05:34:06 S 07 49 51.456 +12 09 13.39 – V C57
2021-01-31 05:34:06 s 1 +74143.347 0 +341127.30 190.0 – C57
2021-01-31 05:44:06 S 07 49 50.690 +12 09 08.96 – V C57
2021-01-31 05:44:06 s 1 +73815.384 0 +341446.99 4760.0 – C57
2021-01-31 05:54:06 S 07 49 49.639 +12 09 03.92 – V C57
2021-01-31 05:54:06 s 1 +73487.173 0 +341765.53 8830.0 – C57
2021-01-31 06:14:06 S 07 49 48.050 +12 08 55.39 – V C57
2021-01-31 06:14:06 s 1 +72830.013 0 +342399.16 5500.0 – C57
2021-01-31 08:54:06 S 07 49 33.869 +12 07 31.12 – V C57
2021-01-31 08:54:06 s 1 +67538.741 0 +347303.66 570.0 – C57
2021-01-31 09:04:06 S 07 49 33.317 +12 07 19.49 – V C57
2021-01-31 09:04:06 s 1 +67206.113 0 +347600.55 5750.0 – C57
2021-01-31 09:14:06 S 07 49 32.662 +12 07 15.89 – V C57
2021-01-31 09:14:06 s 1 +66873.269 0 +347896.31 500.0 – C57
2021-01-31 09:24:06 S 07 49 31.800 +12 07 10.56 – V C57
2021-01-31 09:24:06 s 1 +66540.209 0 +348190.94 4800.0 – C57
2021-01-31 09:34:06 S 07 49 30.802 +12 07 06.31 – V C57
2021-01-31 09:34:06 s 1 +66206.935 0 +348484.45 8680.0 – C57
2021-01-31 09:44:06 S 07 49 30.048 +12 06 59.76 – V C57
2021-01-31 09:44:06 s 1 +65873.448 0 +348776.83 2120.0 – C57
2021-01-31 09:54:06 S 07 49 29.016 +12 06 54.32 – V C57
2021-01-31 09:54:06 s 1 +65539.751 0 +349068.10 5130.0 – C57
2021-01-31 10:04:06 S 07 49 28.318 +12 06 49.75 – V C57
2021-01-31 10:04:06 s 1 +65205.843 0 +349358.24 7710.0 – C57
2021-01-31 10:14:06 S 07 49 27.329 +12 06 44.32 – V C57
2021-01-31 10:14:06 s 1 +64871.727 0 +349647.26 9870.0 – C57
2021-01-31 10:24:06 S 07 49 26.482 +12 06 36.61 – V C57
2021-01-31 10:24:06 s 1 +64537.405 0 +349935.16 1600.0 – C57