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
2019-02-26 15:14:35 S 08 44 22.994 -23 50 30.41 – V C57
2019-02-26 15:14:35 s 1 -183305.02 9 +84994.142 580.0 – C57
2019-02-26 15:44:35 S 08 44 20.604 -23 50 30.52 – V C57
2019-02-26 15:44:35 s 1 -182564.07 9 +82574.100 2140.0 – C57
2019-02-26 16:14:35 S 08 44 18.247 -23 50 31.02 – V C57
2019-02-26 16:14:35 s 1 -181799.41 3 +80143.356 1870.0 – C57
2019-02-26 16:44:35 S 08 44 15.828 -23 50 29.58 – V C57
2019-02-26 16:44:35 s 1 -181010.58 6 +77701.986 7630.0 – C57
2019-02-26 17:14:35 S 08 44 13.606 -23 50 30.30 – V C57
2019-02-26 17:14:35 s 1 -180197.14 3 +75250.072 7220.0 – C57
2019-02-26 18:14:35 S 08 44 09.113 -23 50 26.48 – V C57
2019-02-26 18:14:35 s 1 -178494.51 6 +70314.989 8680.0 – C57
2019-02-26 18:44:35 S 08 44 06.528 -23 50 30.19 – V C57
2019-02-26 18:44:35 s 1 -177604.35 4 +67832.026 5780.0 – C57
2019-02-26 19:14:35 S 08 44 04.229 -23 50 29.69 – V C57
2019-02-26 19:14:35 s 1 -176687.61 6 +65338.936 7180.0 – C57
2019-02-26 19:44:35 S 08 44 01.896 -23 50 28.75 – V C57
2019-02-26 19:44:35 s 1 -175743.77 8 +62835.846 280.0 – C57
2019-02-26 20:14:35 S 08 43 59.827 -23 50 26.34 – V C57
2019-02-26 20:14:35 s 1 -174772.29 9 +60322.896 2450.0 – C57
2019-02-26 20:44:35 S 08 43 57.031 -23 50 28.82 – V C57
2019-02-26 20:44:35 s 1 -173772.62 4 +57800.235 950.0 – C57
2019-02-26 21:14:35 S 08 43 55.166 -23 50 30.08 – V C57
2019-02-26 21:14:35 s 1 -172744.17 9 +55268.026 2960.0 – C57
2019-02-26 21:44:35 S 08 43 52.651 -23 50 30.26 – V C57
2019-02-26 21:44:35 s 1 -171686.37 6 +52726.445 5550.0 – C57
2019-02-26 22:14:35 S 08 43 50.455 -23 50 28.28 – V C57
2019-02-26 22:14:35 s 1 -170598.60 8 +50175.681 5720.0 – C57
2019-02-26 22:44:35 S 08 43 48.103 -23 50 29.18 – V C57
2019-02-26 22:44:35 s 1 -169480.25 0 +47615.940 380.0 – C57
2019-02-26 23:14:35 S 08 43 45.962 -23 50 24.68 – V C57
2019-02-26 23:14:35 s 1 -168330.66 0 +45047.443 6300.0 – C57
2019-02-26 23:44:35 S 08 43 43.505 -23 50 24.25 – V C57
2019-02-26 23:44:35 s 1 -167149.17 4 +42470.429 180.0 – C57
2019-02-27 00:14:35 S 08 43 41.246 -23 50 28.82 – V C57
2019-02-27 00:14:35 s 1 -165935.11 1 +39885.156 8600.0 – C57
2019-02-27 00:44:35 S 08 43 39.029 -23 50 26.95 – V C57
2019-02-27 00:44:35 s 1 -164687.76 7 +37291.900 8010.0 – C57
2019-02-27 01:14:35 S 08 43 36.665 -23 50 26.81 – V C57
2019-02-27 01:14:35 s 1 -163406.41 7 +34690.961 4760.0 – C57
2019-02-27 01:44:35 S 08 43 34.320 -23 50 26.56 – V C57
2019-02-27 01:44:35 s 1 -162090.31 7 +32082.660 5080.0 – C57
2019-02-27 02:14:35 S 08 43 32.030 -23 50 26.34 – V C57
2019-02-27 02:14:35 s 1 -160738.69 8 +29467.344 5060.0 – C57
2019-02-27 02:44:35 S 08 43 29.834 -23 50 26.95 – V C57
2019-02-27 02:44:35 s 1 -159350.76 6 +26845.386 650.0 – C57
2019-02-27 03:14:35 S 08 43 27.446 -23 50 26.34 – V C57
2019-02-27 03:14:35 s 1 -157925.70 7 +24217.187 7680.0 – C57
2019-02-27 03:44:35 S 08 43 25.229 -23 50 25.94 – V C57
2019-02-27 03:44:35 s 1 -156462.67 9 +21583.179 1840.0 – C57