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
2021-02-03 05:44:06 S 07 43 44.957 +11 30 33.62 – V C57
2021-02-03 05:44:06 s 1 -75106.644 0 +383449.54 7250.0 – C57
2021-02-03 05:54:06 S 07 43 44.244 +11 30 28.12 – V C57
2021-02-03 05:54:06 s 1 -75438.404 0 +383340.75 4600.0 – C57
2021-02-03 06:04:06 S 07 43 43.224 +11 30 22.75 – V C57
2021-02-03 06:04:06 s 1 -75769.982 0 +383231.04 1690.0 – C57
2021-02-03 06:14:06 S 07 43 42.458 +11 30 18.32 – V C57
2021-02-03 06:14:06 s 1 -76101.377 0 +383120.42 8520.0 – C57
2021-02-03 06:24:06 S 07 43 41.652 +11 30 13.36 – V C57
2021-02-03 06:24:06 s 1 -76432.588 0 +383008.87 5080.0 – C57
2021-02-03 06:34:06 S 07 43 40.838 +11 30 10.22 – V C57
2021-02-03 06:34:06 s 1 -76763.614 0 +382896.42 1370.0 – C57
2021-02-03 06:44:06 S 07 43 40.058 +11 30 02.95 – V C57
2021-02-03 06:44:06 s 1 -77094.454 0 +382783.04 7400.0 – C57
2021-02-03 06:54:06 S 07 43 39.319 +11 29 58.74 – V C57
2021-02-03 06:54:06 s 1 -77425.108 0 +382668.75 3160.0 – C57
2021-02-03 07:04:06 S 07 43 38.431 +11 29 51.90 – V C57
2021-02-03 07:04:06 s 1 -77755.575 0 +382553.54 8640.0 – C57
2021-02-03 07:14:06 S 07 43 37.603 +11 29 48.77 – V C57
2021-02-03 07:14:06 s 1 -78085.853 0 +382437.42 3860.0 – C57
2021-02-03 07:24:06 S 07 43 36.698 +11 29 42.90 – V C57
2021-02-03 07:24:06 s 1 -78415.942 0 +382320.37 8800.0 – C57
2021-02-03 07:34:06 S 07 43 35.942 +11 29 38.69 – V C57
2021-02-03 07:34:06 s 1 -78745.841 0 +382202.42 3470.0 – C57
2021-02-03 07:44:06 S 07 43 35.119 +11 29 36.64 – V C57
2021-02-03 07:44:06 s 1 -79075.549 0 +382083.54 7860.0 – C57
2021-02-03 08:04:06 S 07 43 33.322 +11 29 22.67 – V C57
2021-02-03 08:04:06 s 1 -79734.390 0 +381843.04 5810.0 – C57
2021-02-03 08:14:06 S 07 43 32.527 +11 29 16.01 – V C57
2021-02-03 08:14:06 s 1 -80063.521 0 +381721.41 9360.0 – C57
2021-02-03 08:24:06 S 07 43 31.793 +11 29 11.15 – V C57
2021-02-03 08:24:06 s 1 -80392.458 0 +381598.87 2630.0 – C57
2021-02-03 08:34:06 S 07 43 31.090 +11 29 08.66 – V C57
2021-02-03 08:34:06 s 1 -80721.199 0 +381475.41 5610.0 – C57
2021-02-03 09:04:06 S 07 43 28.488 +11 28 53.80 – V C57
2021-02-03 09:04:06 s 1 -81706.244 0 +381099.52 2850.0 – C57
2021-02-03 09:44:06 S 07 43 24.900 +11 28 25.21 – V C57
2021-02-03 09:44:06 s 1 -83016.853 0 +380585.51 8420.0 – C57
2021-02-03 09:54:06 S 07 43 24.274 +11 28 22.15 – V C57
2021-02-03 09:54:06 s 1 -83344.002 0 +380454.71 9080.0 – C57
2021-02-03 10:14:06 S 07 43 22.762 +11 28 10.96 – V C57
2021-02-03 10:14:06 s 1 -83997.691 0 +380190.36 9490.0 – C57
2021-02-03 10:24:06 S 07 43 21.797 +11 28 06.24 – V C57
2021-02-03 10:24:06 s 1 -84324.229 0 +380056.81 9250.0 – C57
2021-02-03 10:34:06 S 07 43 21.055 +11 28 00.30 – V C57
2021-02-03 10:34:06 s 1 -84650.561 0 +379922.34 8700.0 – C57
2021-02-03 11:14:06 S 07 43 17.868 +11 27 36.94 – V C57
2021-02-03 11:14:06 s 1 -85953.816 0 +379375.29 3460.0 – C57
2021-02-03 11:34:06 S 07 43 16.106 +11 27 31.03 – V C57
2021-02-03 11:34:06 s 1 -86604.187 0 +379096.26 8980.0 – C57