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
2019-02-01 10:45:48 C 09 34 59.38 -20 51 11.7 – V T08
2019-02-01 10:51:07 C 09 34 58.94 -20 51 14.9 – V T08
2019-02-01 11:21:47 C 09 34 56.37 -20 51 32.1 – V T08
2019-02-04 20:44:35 S 09 28 30.538 -21 36 56.63 – V C57
2019-02-04 20:44:35 s 1 +96588.002 0 +244335.29 1830.0 – C57
2019-02-04 21:14:35 S 09 28 28.219 -21 37 11.82 – V C57
2019-02-04 21:14:35 s 1 +95813.282 0 +246128.62 4710.0 – C57
2019-02-04 21:44:35 S 09 28 25.673 -21 37 26.29 – V C57
2019-02-04 21:44:35 s 1 +95032.467 0 +247906.55 1470.0 – C57
2019-02-04 22:14:35 S 09 28 23.239 -21 37 42.46 – V C57
2019-02-04 22:14:35 s 1 +94245.687 0 +249669.19 2890.0 – C57
2019-02-04 22:44:35 S 09 28 20.722 -21 37 58.58 – V C57
2019-02-04 22:44:35 s 1 +93453.069 0 +251416.64 9720.0 – C57
2019-02-04 23:14:35 S 09 28 18.214 -21 38 13.20 – V C57
2019-02-04 23:14:35 s 1 +92654.738 0 +253149.01 2700.0 – C57
2019-02-04 23:44:35 S 09 28 15.706 -21 38 29.54 – V C57
2019-02-04 23:44:35 s 1 +91850.815 0 +254866.37 2560.0 – C57
2019-02-05 00:14:35 S 09 28 13.430 -21 38 43.94 – V C57
2019-02-05 00:14:35 s 1 +91041.417 0 +256568.84 0.0 – C57
2019-02-05 00:44:35 S 09 28 10.870 -21 38 59.64 – V C57
2019-02-05 00:44:35 s 1 +90226.662 0 +258256.51 5710.0 – C57
2019-02-05 01:14:35 S 09 28 08.371 -21 39 15.48 – V C57
2019-02-05 01:14:35 s 1 +89406.663 0 +259929.47 370.0 – C57
2019-02-05 01:44:35 S 09 28 05.995 -21 39 30.60 – V C57
2019-02-05 01:44:35 s 1 +88581.530 0 +261587.82 4650.0 – C57
2019-02-05 02:14:35 S 09 28 03.365 -21 39 46.73 – V C57
2019-02-05 02:14:35 s 1 +87751.372 0 +263231.64 9190.0 – C57
2019-02-05 02:44:35 S 09 28 00.917 -21 40 03.32 – V C57
2019-02-05 02:44:35 s 1 +86916.295 0 +264861.03 4640.0 – C57
2019-02-05 03:14:35 S 09 27 58.702 -21 40 18.26 – V C57
2019-02-05 03:14:35 s 1 +86076.402 0 +266476.07 1610.0 – C57
2019-02-05 03:44:35 S 09 27 56.059 -21 40 32.05 – V C57
2019-02-05 03:44:35 s 1 +85231.796 0 +268076.86 710.0 – C57
2019-02-05 04:14:35 S 09 27 53.671 -21 40 46.88 – V C57
2019-02-05 04:14:35 s 1 +84382.576 0 +269663.47 2550.0 – C57
2019-02-05 04:44:35 S 09 27 50.993 -21 41 02.98 – V C57
2019-02-05 04:44:35 s 1 +83528.838 0 +271236.00 7720.0 – C57
2019-02-05 05:14:35 S 09 27 48.662 -21 41 17.23 – V C57
2019-02-05 05:14:35 s 1 +82670.679 0 +272794.52 6770.0 – C57
2019-02-05 05:44:35 S 09 27 46.210 -21 41 32.60 – V C57
2019-02-05 05:44:35 s 1 +81808.192 0 +274339.12 300.0 – C57
2019-02-05 06:14:35 S 09 27 43.673 -21 41 47.33 – V C57
2019-02-05 06:14:35 s 1 +80941.468 0 +275869.89 8830.0 – C57
2019-02-05 06:44:35 S 09 27 41.105 -21 42 04.28 – V C57
2019-02-05 06:44:35 s 1 +80070.596 0 +277386.89 2920.0 – C57
2019-02-05 07:14:35 S 09 27 38.654 -21 42 19.55 – V C57
2019-02-05 07:14:35 s 1 +79195.665 0 +278890.22 3100.0 – C57
2019-02-05 07:44:35 S 09 27 36.206 -21 42 33.91 – V C57
2019-02-05 07:44:35 s 1 +78316.760 0 +280379.95 9890.0 – C57
2019-02-05 08:14:35 S 09 27 33.646 -21 42 48.38 – V C57