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
2021-01-29 09:44:06 s 1 +144648.85 8 +211638.50 4950.0 – C57
2021-01-29 09:54:06 S 07 53 36.946 +12 32 44.23 – V C57
2021-01-29 09:54:06 s 1 +144479.71 0 +212329.06 8820.0 – C57
2021-01-29 10:04:06 S 07 53 36.060 +12 32 40.09 – V C57
2021-01-29 10:04:06 s 1 +144309.35 4 +213017.84 450.0 – C57
2021-01-29 10:14:06 S 07 53 35.129 +12 32 33.86 – V C57
2021-01-29 10:14:06 s 1 +144137.80 0 +213704.85 9870.0 – C57
2021-01-29 10:24:06 S 07 53 34.219 +12 32 29.00 – V C57
2021-01-29 10:24:06 s 1 +143965.05 4 +214390.08 7080.0 – C57
2021-01-29 10:34:06 S 07 53 33.406 +12 32 23.21 – V C57
2021-01-29 10:34:06 s 1 +143791.12 5 +215073.55 2100.0 – C57
2021-01-29 10:44:06 S 07 53 32.659 +12 32 19.10 – V C57
2021-01-29 10:44:06 s 1 +143616.02 0 +215755.26 4950.0 – C57
2021-01-29 10:54:06 S 07 53 31.774 +12 32 13.06 – V C57
2021-01-29 10:54:06 s 1 +143439.74 7 +216435.21 5630.0 – C57
2021-01-29 11:04:06 S 07 53 30.809 +12 32 07.55 – V C57
2021-01-29 11:04:06 s 1 +143262.31 4 +217113.40 4170.0 – C57
2021-01-29 11:14:06 S 07 53 30.055 +12 32 01.86 – V C57
2021-01-29 11:14:06 s 1 +143083.72 8 +217789.85 570.0 – C57
2021-01-29 11:24:06 S 07 53 29.134 +12 31 57.32 – V C57
2021-01-29 11:24:06 s 1 +142903.99 7 +218464.54 4860.0 – C57
2021-01-29 11:34:06 S 07 53 28.440 +12 31 52.50 – V C57
2021-01-29 11:34:06 s 1 +142723.12 8 +219137.49 7030.0 – C57
2021-01-29 11:44:06 S 07 53 27.372 +12 31 45.44 – V C57
2021-01-29 11:44:06 s 1 +142541.12 8 +219808.70 7110.0 – C57
2021-01-29 11:54:06 S 07 53 26.633 +12 31 40.62 – V C57
2021-01-29 11:54:06 s 1 +142358.00 6 +220478.18 5120.0 – C57
2021-01-29 12:04:06 S 07 53 25.783 +12 31 33.67 – V C57
2021-01-29 12:04:06 s 1 +142173.76 7 +221145.92 1050.0 – C57
2021-01-29 12:14:06 S 07 53 24.862 +12 31 26.51 – V C57
2021-01-29 12:14:06 s 1 +141988.42 0 +221811.93 4930.0 – C57
2021-01-29 12:24:06 S 07 53 23.990 +12 31 23.02 – V C57
2021-01-29 12:24:06 s 1 +141801.97 0 +222476.22 6770.0 – C57
2021-01-29 12:34:06 S 07 53 23.215 +12 31 18.01 – V C57
2021-01-29 12:34:06 s 1 +141614.42 7 +223138.79 6590.0 – C57
2021-01-29 12:44:06 S 07 53 22.433 +12 31 12.61 – V C57
2021-01-29 12:44:06 s 1 +141425.79 6 +223799.64 4380.0 – C57
2021-01-29 12:54:06 S 07 53 21.516 +12 31 08.11 – V C57
2021-01-29 12:54:06 s 1 +141236.08 4 +224458.77 180.0 – C57
2021-01-29 13:04:06 S 07 53 20.746 +12 31 02.93 – V C57
2021-01-29 13:04:06 s 1 +141045.29 9 +225116.19 3980.0 – C57
2021-01-29 13:14:06 S 07 53 19.747 +12 30 58.03 – V C57
2021-01-29 13:14:06 s 1 +140853.44 6 +225771.91 5810.0 – C57
2021-01-29 13:24:06 S 07 53 18.852 +12 30 53.14 – V C57
2021-01-29 13:24:06 s 1 +140660.53 4 +226425.93 5670.0 – C57
2021-01-29 13:34:06 S 07 53 18.005 +12 30 46.76 – V C57
2021-01-29 13:34:06 s 1 +140466.56 9 +227078.24 3580.0 – C57
2021-01-29 13:54:06 S 07 53 16.284 +12 30 35.28 – V C57
2021-01-29 13:54:06 s 1 +140075.50 5 +228377.79 3580.0 – C57
2021-01-29 14:04:06 S 07 53 15.473 +12 30 30.42 – V C57