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
2019-02-08 04:14:35 s 1 -56722.103 0 +378609.21 6570.0 – C57
2019-02-08 04:44:35 S 09 21 41.227 -22 14 31.78 – V C57
2019-02-08 04:44:35 s 1 -57705.321 0 +378660.49 1390.0 – C57
2019-02-08 05:14:35 S 09 21 38.662 -22 14 44.41 – V C57
2019-02-08 05:14:35 s 1 -58687.354 0 +378703.07 4210.0 – C57
2019-02-08 05:44:35 S 09 21 35.981 -22 14 56.33 – V C57
2019-02-08 05:44:35 s 1 -59668.181 0 +378736.96 5130.0 – C57
2019-02-08 06:14:35 S 09 21 33.252 -22 15 10.08 – V C57
2019-02-08 06:14:35 s 1 -60647.783 0 +378762.17 4270.0 – C57
2019-02-08 06:44:35 S 09 21 30.562 -22 15 23.15 – V C57
2019-02-08 06:44:35 s 1 -61626.138 0 +378778.72 1750.0 – C57
2019-02-08 07:14:35 S 09 21 28.015 -22 15 35.57 – V C57
2019-02-08 07:14:35 s 1 -62603.225 0 +378786.61 7670.0 – C57
2019-02-08 07:44:35 S 09 21 25.373 -22 15 52.38 – V C57
2019-02-08 07:44:35 s 1 -63579.025 0 +378785.85 2150.0 – C57
2019-02-08 08:44:35 S 09 21 20.186 -22 16 13.73 – V C57
2019-02-08 08:44:35 s 1 -65526.679 0 +378758.44 7250.0 – C57
2019-02-08 09:14:35 S 09 21 17.520 -22 16 26.22 – V C57
2019-02-08 09:14:35 s 1 -66498.491 0 +378731.80 8090.0 – C57
2019-02-08 12:14:35 S 09 21 01.519 -22 17 40.52 – V C57
2019-02-08 12:14:35 s 1 -72299.874 0 +378391.49 6180.0 – C57
2019-02-08 12:44:35 S 09 20 58.978 -22 17 53.70 – V C57
2019-02-08 12:44:35 s 1 -73261.664 0 +378304.77 2410.0 – C57
2019-02-08 13:14:35 S 09 20 56.434 -22 18 06.12 – V C57
2019-02-08 13:14:35 s 1 -74221.939 0 +378209.51 8420.0 – C57
2019-02-08 13:44:35 S 09 20 53.688 -22 18 19.48 – V C57
2019-02-08 13:44:35 s 1 -75180.680 0 +378105.70 4330.0 – C57
2019-02-08 14:14:35 S 09 20 51.062 -22 18 30.46 – V C57
2019-02-08 14:14:35 s 1 -76137.866 0 +377993.36 230.0 – C57
2019-02-08 14:44:35 S 09 20 48.362 -22 18 43.24 – V C57
2019-02-08 14:44:35 s 1 -77093.475 0 +377872.50 6250.0 – C57
2019-02-08 15:14:35 S 09 20 45.742 -22 18 54.83 – V C57
2019-02-08 15:14:35 s 1 -78047.488 0 +377743.11 2490.0 – C57
2019-02-08 15:44:35 S 09 20 43.046 -22 19 06.60 – V C57
2019-02-08 15:44:35 s 1 -78999.884 0 +377605.21 930.0 – C57
2019-02-08 16:14:35 S 09 20 40.517 -22 19 18.91 – V C57
2019-02-08 16:14:35 s 1 -79950.642 0 +377458.81 3920.0 – C57
2019-02-08 16:44:35 S 09 20 37.769 -22 19 32.16 – V C57
2019-02-08 16:44:35 s 1 -80899.741 0 +377303.91 6360.0 – C57
2019-02-08 17:14:35 S 09 20 35.174 -22 19 43.90 – V C57
2019-02-08 17:14:35 s 1 -81847.160 0 +377140.51 8140.0 – C57
2019-02-08 17:44:35 S 09 20 32.474 -22 19 57.40 – V C57
2019-02-08 17:44:35 s 1 -82792.879 0 +376968.63 9150.0 – C57
2019-02-08 18:14:35 S 09 20 29.887 -22 20 09.89 – V C57
2019-02-08 18:14:35 s 1 -83736.877 0 +376788.27 9280.0 – C57
2019-02-08 18:44:35 S 09 20 27.250 -22 20 21.01 – V C57
2019-02-08 18:44:35 s 1 -84679.133 0 +376599.44 8430.0 – C57
2019-02-08 19:14:35 S 09 20 24.504 -22 20 33.07 – V C57
2019-02-08 19:14:35 s 1 -85619.627 0 +376402.13 6490.0 – C57
2019-02-08 19:44:35 S 09 20 22.030 -22 20 45.71 – V C57