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 19:44:35 s 1 -86558.336 0 +376196.36 3350.0 – C57
2019-02-08 20:14:35 S 09 20 19.270 -22 20 58.13 – V C57
2019-02-08 20:14:35 s 1 -87495.241 0 +375982.14 8890.0 – C57
2019-02-08 22:44:35 S 09 20 06.010 -22 21 57.74 – V C57
2019-02-08 22:44:35 s 1 -92151.955 0 +374784.31 3140.0 – C57
2019-02-08 23:14:35 S 09 20 03.250 -22 22 10.60 – V C57
2019-02-08 23:14:35 s 1 -93077.588 0 +374519.44 8540.0 – C57
2019-02-08 23:44:35 S 09 20 00.672 -22 22 22.12 – V C57
2019-02-08 23:44:35 s 1 -94001.268 0 +374246.14 1870.0 – C57
2019-02-09 00:14:35 S 09 19 57.979 -22 22 34.79 – V C57
2019-02-09 00:14:35 s 1 -94922.974 0 +373964.42 3010.0 – C57
2019-02-09 00:44:35 S 09 19 55.375 -22 22 45.73 – V C57
2019-02-09 00:44:35 s 1 -95842.684 0 +373674.28 1870.0 – C57
2019-02-09 01:14:35 S 09 19 52.747 -22 22 57.86 – V C57
2019-02-09 01:14:35 s 1 -96760.376 0 +373375.72 8320.0 – C57
2019-02-09 01:44:35 S 09 19 50.124 -22 23 11.08 – V C57
2019-02-09 01:44:35 s 1 -97676.029 0 +373068.76 2270.0 – C57
2019-02-09 02:14:35 S 09 19 47.503 -22 23 22.67 – V C57
2019-02-09 02:14:35 s 1 -98589.622 0 +372753.38 3600.0 – C57
2019-02-09 02:44:35 S 09 19 44.717 -22 23 35.52 – V C57
2019-02-09 02:44:35 s 1 -99501.133 0 +372429.60 2200.0 – C57
2019-02-09 03:44:35 S 09 19 39.434 -22 23 58.49 – V C57
2019-02-09 03:44:35 s 1 -101317.81 9 +371756.84 790.0 – C57
2019-02-09 04:14:35 S 09 19 36.713 -22 24 11.05 – V C57
2019-02-09 04:14:35 s 1 -102222.95 1 +371407.86 560.0 – C57
2019-02-09 04:44:35 S 09 19 34.013 -22 24 22.79 – V C57
2019-02-09 04:44:35 s 1 -103125.91 3 +371050.48 7160.0 – C57
2019-02-09 05:14:35 S 09 19 31.318 -22 24 34.27 – V C57
2019-02-09 05:14:35 s 1 -104026.68 2 +370684.71 480.0 – C57
2019-02-09 05:44:35 S 09 19 28.699 -22 24 45.90 – V C57
2019-02-09 05:44:35 s 1 -104925.23 7 +370310.55 420.0 – C57
2019-02-09 06:14:35 S 09 19 26.040 -22 24 58.07 – V C57
2019-02-09 06:14:35 s 1 -105821.55 6 +369928.00 6860.0 – C57
2019-02-09 06:44:35 S 09 19 23.383 -22 25 09.77 – V C57
2019-02-09 06:44:35 s 1 -106715.61 5 +369537.06 9690.0 – C57
2019-02-09 07:14:35 S 09 19 20.724 -22 25 22.01 – V C57
2019-02-09 07:14:35 s 1 -107607.39 2 +369137.74 8800.0 – C57
2019-02-09 07:44:35 S 09 19 18.005 -22 25 32.70 – V C57
2019-02-09 07:44:35 s 1 -108496.86 6 +368730.03 4080.0 – C57
2019-02-09 08:14:35 S 09 19 15.358 -22 25 45.08 – V C57
2019-02-09 08:14:35 s 1 -109384.01 2 +368313.93 5420.0 – C57
2019-02-09 08:44:35 S 09 19 12.794 -22 25 58.08 – V C57
2019-02-09 08:44:35 s 1 -110268.80 8 +367889.46 2700.0 – C57
2019-02-09 09:14:35 S 09 19 10.032 -22 26 10.14 – V C57
2019-02-09 09:14:35 s 1 -111151.23 2 +367456.60 5820.0 – C57
2019-02-09 09:44:35 S 09 19 07.330 -22 26 20.29 – V C57
2019-02-09 09:44:35 s 1 -112031.26 0 +367015.35 4650.0 – C57
2019-02-09 10:14:35 S 09 19 04.663 -22 26 31.38 – V C57
2019-02-09 10:14:35 s 1 -112908.86 9 +366565.73 9100.0 – C57
2019-02-09 10:44:35 S 09 19 01.855 -22 26 48.01 – V C57