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
2021-01-30 10:54:06 S 07 51 27.890 +12 19 17.11 – V C57
2021-01-30 10:54:06 s 1 +108860.12 7 +297674.78 3640.0 – C57
2021-01-30 10:54:35 C 07 51 07.64 +12 17 55.1 – V T08
2021-01-30 11:04:06 S 07 51 27.019 +12 19 11.24 – V C57
2021-01-30 11:04:06 s 1 +108572.21 0 +298133.26 5730.0 – C57
2021-01-30 11:09:16 C 07 51 06.36 +12 17 47.0 – V T08
2021-01-30 11:14:06 S 07 51 26.232 +12 19 06.85 – V C57
2021-01-30 11:14:06 s 1 +108283.80 7 +298590.40 6900.0 – C57
2021-01-30 11:24:06 S 07 51 25.289 +12 19 00.62 – V C57
2021-01-30 11:24:06 s 1 +107994.92 1 +299046.21 7150.0 – C57
2021-01-30 11:34:06 S 07 51 24.473 +12 18 54.68 – V C57
2021-01-30 11:34:06 s 1 +107705.55 3 +299500.68 6490.0 – C57
2021-01-30 11:44:06 S 07 51 23.604 +12 18 50.33 – V C57
2021-01-30 11:44:06 s 1 +107415.70 8 +299953.81 4910.0 – C57
2021-01-30 11:54:06 S 07 51 22.819 +12 18 44.89 – V C57
2021-01-30 11:54:06 s 1 +107125.38 7 +300405.62 2430.0 – C57
2021-01-30 12:04:06 S 07 51 21.770 +12 18 37.58 – V C57
2021-01-30 12:04:06 s 1 +106834.59 3 +300856.10 9060.0 – C57
2021-01-30 12:14:06 S 07 51 20.916 +12 18 34.13 – V C57
2021-01-30 12:14:06 s 1 +106543.33 0 +301305.25 4780.0 – C57
2021-01-30 12:24:06 S 07 51 20.122 +12 18 30.02 – V C57
2021-01-30 12:24:06 s 1 +106251.60 0 +301753.07 9620.0 – C57
2021-01-30 12:34:06 S 07 51 19.154 +12 18 23.00 – V C57
2021-01-30 12:34:06 s 1 +105959.40 5 +302199.58 3580.0 – C57
2021-01-30 12:44:06 S 07 51 18.396 +12 18 17.21 – V C57
2021-01-30 12:44:06 s 1 +105666.74 8 +302644.76 6650.0 – C57
2021-01-30 12:54:06 S 07 51 17.486 +12 18 07.09 – V C57
2021-01-30 12:54:06 s 1 +105373.63 3 +303088.63 8850.0 – C57
2021-01-30 13:04:06 S 07 51 16.942 +12 18 04.10 – V C57
2021-01-30 13:04:06 s 1 +105080.06 0 +303531.18 180.0 – C57
2021-01-30 13:14:06 S 07 51 15.859 +12 18 01.91 – V C57
2021-01-30 13:14:06 s 1 +104786.03 4 +303972.41 640.0 – C57
2021-01-30 13:24:06 S 07 51 14.945 +12 17 57.66 – V C57
2021-01-30 13:24:06 s 1 +104491.55 7 +304412.34 240.0 – C57
2021-01-30 13:34:06 S 07 51 14.026 +12 17 51.58 – V C57
2021-01-30 13:34:06 s 1 +104196.63 1 +304850.95 8990.0 – C57
2021-01-30 13:44:06 S 07 51 13.234 +12 17 46.00 – V C57
2021-01-30 13:44:06 s 1 +103901.25 9 +305288.25 6880.0 – C57
2021-01-30 13:54:06 S 07 51 12.413 +12 17 39.52 – V C57
2021-01-30 13:54:06 s 1 +103605.44 3 +305724.25 3930.0 – C57
2021-01-30 14:04:06 S 07 51 11.448 +12 17 36.92 – V C57
2021-01-30 14:04:06 s 1 +103309.18 6 +306158.95 130.0 – C57
2021-01-30 14:14:06 S 07 51 10.627 +12 17 30.37 – V C57
2021-01-30 14:14:06 s 1 +103012.49 1 +306592.34 5500.0 – C57
2021-01-30 14:24:06 S 07 51 09.746 +12 17 23.71 – V C57
2021-01-30 14:24:06 s 1 +102715.36 0 +307024.43 30.0 – C57
2021-01-30 14:34:06 S 07 51 08.909 +12 17 19.18 – V C57
2021-01-30 14:34:06 s 1 +102417.79 5 +307455.22 3740.0 – C57
2021-01-30 14:44:06 S 07 51 08.059 +12 17 13.78 – V C57
2021-01-30 14:44:06 s 1 +102119.80 0 +307884.71 6620.0 – C57