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
2019-02-06 22:44:35 S 09 24 17.846 -22 01 18.95 – V C57
2019-02-06 23:14:35 S 09 24 15.235 -22 01 32.48 – V C57
2019-02-06 23:44:35 S 09 24 12.677 -22 01 46.42 – V C57
2019-02-07 00:14:35 S 09 24 10.073 -22 02 00.20 – V C57
2019-02-07 00:44:35 S 09 24 07.474 -22 02 13.09 – V C57
2019-02-07 01:14:35 S 09 24 04.963 -22 02 27.42 – V C57
2019-02-07 01:44:35 S 09 24 02.424 -22 02 40.96 – V C57
2019-02-07 02:14:35 S 09 23 59.736 -22 02 53.70 – V C57
2019-02-07 02:44:35 S 09 23 57.127 -22 03 07.52 – V C57
2019-02-07 03:14:35 S 09 23 54.641 -22 03 21.35 – V C57
2019-02-07 03:44:35 S 09 23 52.006 -22 03 35.14 – V C57
2019-02-07 04:14:35 S 09 23 49.349 -22 03 49.07 – V C57
2019-02-07 04:44:35 S 09 23 46.867 -22 04 01.74 – V C57
2019-02-07 05:14:35 S 09 23 44.294 -22 04 15.53 – V C57
2019-02-07 05:14:35 s 1 -10581.224 0 +366608.99 6900.0 – C57
2019-02-07 05:44:35 S 09 23 41.707 -22 04 28.63 – V C57
2019-02-07 05:44:35 s 1 -11595.641 0 +367076.25 7300.0 – C57
2019-02-07 06:14:35 S 09 23 38.962 -22 04 43.14 – V C57
2019-02-07 06:14:35 s 1 -12609.897 0 +367534.05 9750.0 – C57
2019-02-07 06:44:35 S 09 23 36.408 -22 04 55.96 – V C57
2019-02-07 06:44:35 s 1 -13623.965 0 +367982.42 4420.0 – C57
2019-02-07 07:14:35 S 09 23 33.826 -22 05 09.06 – V C57
2019-02-07 07:14:35 s 1 -14637.822 0 +368421.38 1440.0 – C57
2019-02-07 07:44:35 S 09 23 31.190 -22 05 22.99 – V C57
2019-02-07 07:44:35 s 1 -15651.442 0 +368850.94 970.0 – C57
2019-02-07 08:14:35 S 09 23 28.565 -22 05 36.10 – V C57
2019-02-07 08:14:35 s 1 -16664.802 0 +369271.13 3150.0 – C57
2019-02-07 08:44:35 S 09 23 26.062 -22 05 49.31 – V C57
2019-02-07 08:44:35 s 1 -17677.877 0 +369681.97 8130.0 – C57
2019-02-07 09:14:35 S 09 23 23.297 -22 06 02.27 – V C57
2019-02-07 09:14:35 s 1 -18690.643 0 +370083.48 6050.0 – C57
2019-02-07 09:44:35 S 09 23 20.568 -22 06 18.76 – V C57
2019-02-07 09:44:35 s 1 -19703.077 0 +370475.69 7050.0 – C57
2019-02-07 10:14:35 S 09 23 18.182 -22 06 29.59 – V C57
2019-02-07 10:14:35 s 1 -20715.155 0 +370858.61 1270.0 – C57
2019-02-07 10:44:35 S 09 23 15.598 -22 06 42.95 – V C57
2019-02-07 10:44:35 s 1 -21726.853 0 +371232.26 8860.0 – C57
2019-02-07 11:14:35 S 09 23 12.984 -22 06 56.27 – V C57
2019-02-07 11:14:35 s 1 -22738.147 0 +371596.67 9940.0 – C57
2019-02-07 11:44:35 S 09 23 10.226 -22 07 10.27 – V C57
2019-02-07 11:44:35 s 1 -23749.015 0 +371951.84 4670.0 – C57
2019-02-07 12:14:35 S 09 23 07.735 -22 07 24.02 – V C57
2019-02-07 12:14:35 s 1 -24759.434 0 +372297.81 3170.0 – C57
2019-02-07 12:44:35 S 09 23 05.155 -22 07 36.23 – V C57
2019-02-07 12:44:35 s 1 -25769.379 0 +372634.59 5590.0 – C57
2019-02-07 13:14:35 S 09 23 02.568 -22 07 48.97 – V C57
2019-02-07 13:14:35 s 1 -26778.829 0 +372962.21 2060.0 – C57
2019-02-07 13:44:35 S 09 22 59.993 -22 08 03.05 – V C57
2019-02-07 13:44:35 s 1 -27787.760 0 +373280.67 2710.0 – C57
2019-02-07 14:14:35 S 09 22 57.245 -22 08 16.22 – V C57