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 01:34:06 S 07 44 05.810 +11 32 46.21 – V C57
2021-02-03 01:34:06 s 1 -66755.878 0 +385871.37 2950.0 – C57
2021-02-03 01:44:06 S 07 44 04.826 +11 32 41.71 – V C57
2021-02-03 01:44:06 s 1 -67091.921 0 +385785.50 6350.0 – C57
2021-02-03 01:54:06 S 07 44 04.214 +11 32 37.14 – V C57
2021-02-03 01:54:06 s 1 -67427.802 0 +385698.71 9520.0 – C57
2021-02-03 02:04:06 S 07 44 03.158 +11 32 31.09 – V C57
2021-02-03 02:04:06 s 1 -67763.521 0 +385611.01 2470.0 – C57
2021-02-03 02:14:06 S 07 44 02.450 +11 32 26.59 – V C57
2021-02-03 02:14:06 s 1 -68099.078 0 +385522.39 5190.0 – C57
2021-02-03 02:24:06 S 07 44 01.526 +11 32 19.90 – V C57
2021-02-03 02:24:06 s 1 -68434.470 0 +385432.85 7690.0 – C57
2021-02-03 02:34:06 S 07 44 00.785 +11 32 16.15 – V C57
2021-02-03 02:34:06 s 1 -68769.698 0 +385342.40 9950.0 – C57
2021-02-03 02:44:06 S 07 43 59.969 +11 32 10.64 – V C57
2021-02-03 02:44:06 s 1 -69104.761 0 +385251.02 1980.0 – C57
2021-02-03 02:54:06 S 07 43 59.054 +11 32 04.85 – V C57
2021-02-03 02:54:06 s 1 -69439.657 0 +385158.73 3780.0 – C57
2021-02-03 03:04:06 S 07 43 58.272 +11 31 58.15 – V C57
2021-02-03 03:04:06 s 1 -69774.386 0 +385065.53 5340.0 – C57
2021-02-03 03:14:06 S 07 43 57.329 +11 31 54.62 – V C57
2021-02-03 03:14:06 s 1 -70108.947 0 +384971.40 6670.0 – C57
2021-02-03 03:24:06 S 07 43 56.542 +11 31 49.73 – V C57
2021-02-03 03:24:06 s 1 -70443.340 0 +384876.36 7760.0 – C57
2021-02-03 03:34:06 S 07 43 55.867 +11 31 44.40 – V C57
2021-02-03 03:34:06 s 1 -70777.563 0 +384780.41 8610.0 – C57
2021-02-03 03:44:06 S 07 43 54.953 +11 31 38.82 – V C57
2021-02-03 03:44:06 s 1 -71111.615 0 +384683.53 9220.0 – C57
2021-02-03 03:54:06 S 07 43 53.969 +11 31 31.30 – V C57
2021-02-03 03:54:06 s 1 -71445.496 0 +384585.74 9590.0 – C57
2021-02-03 04:04:06 S 07 43 53.282 +11 31 29.50 – V C57
2021-02-03 04:04:06 s 1 -71779.205 0 +384487.03 9720.0 – C57
2021-02-03 04:14:06 S 07 43 52.543 +11 31 23.09 – V C57
2021-02-03 04:14:06 s 1 -72112.741 0 +384387.41 9600.0 – C57
2021-02-03 04:24:06 S 07 43 51.662 +11 31 16.64 – V C57
2021-02-03 04:24:06 s 1 -72446.104 0 +384286.87 9230.0 – C57
2021-02-03 04:34:06 S 07 43 51.142 +11 31 10.74 – V C57
2021-02-03 04:34:06 s 1 -72779.291 0 +384185.41 8620.0 – C57
2021-02-03 04:44:06 S 07 43 49.968 +11 31 04.84 – V C57
2021-02-03 04:44:06 s 1 -73112.304 0 +384083.04 7750.0 – C57
2021-02-03 04:54:06 S 07 43 49.130 +11 30 59.15 – V C57
2021-02-03 04:54:06 s 1 -73445.139 0 +383979.75 6640.0 – C57
2021-02-03 05:04:06 S 07 43 48.132 +11 30 53.86 – V C57
2021-02-03 05:04:06 s 1 -73777.798 0 +383875.54 5270.0 – C57
2021-02-03 05:14:06 S 07 43 47.438 +11 30 48.71 – V C57
2021-02-03 05:14:06 s 1 -74110.279 0 +383770.41 3650.0 – C57
2021-02-03 05:24:06 S 07 43 46.718 +11 30 45.90 – V C57
2021-02-03 05:24:06 s 1 -74442.581 0 +383664.37 1780.0 – C57
2021-02-03 05:34:06 S 07 43 45.929 +11 30 38.48 – V C57
2021-02-03 05:34:06 s 1 -74774.703 0 +383557.41 9640.0 – C57