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
2019-02-24 20:14:35 s 1 -188601.45 7 +252225.25 3070.0 – C57
2019-02-24 20:44:35 S 08 47 45.953 -23 49 45.91 – V C57
2019-02-24 20:44:35 s 1 -188990.06 2 +250724.46 960.0 – C57
2019-02-24 21:14:35 S 08 47 43.558 -23 49 46.88 – V C57
2019-02-24 21:14:35 s 1 -189371.27 2 +249213.88 2710.0 – C57
2019-02-24 21:44:35 S 08 47 41.239 -23 49 44.44 – V C57
2019-02-24 21:44:35 s 1 -189745.00 9 +247693.49 7950.0 – C57
2019-02-24 22:14:35 S 08 47 38.707 -23 49 49.04 – V C57
2019-02-24 22:14:35 s 1 -190111.19 7 +246163.27 6350.0 – C57
2019-02-24 22:44:35 S 08 47 36.281 -23 49 52.57 – V C57
2019-02-24 22:44:35 s 1 -190469.75 6 +244623.19 7550.0 – C57
2019-02-24 23:14:35 S 08 47 33.895 -23 49 51.82 – V C57
2019-02-24 23:14:35 s 1 -190820.60 6 +243073.24 1190.0 – C57
2019-02-24 23:44:35 S 08 47 31.445 -23 49 53.47 – V C57
2019-02-24 23:44:35 s 1 -191163.66 6 +241513.39 6920.0 – C57
2019-02-25 00:14:35 S 08 47 28.954 -23 49 53.40 – V C57
2019-02-25 00:14:35 s 1 -191498.85 2 +239943.61 4360.0 – C57
2019-02-25 00:44:35 S 08 47 26.546 -23 49 55.38 – V C57
2019-02-25 00:44:35 s 1 -191826.08 2 +238363.89 3140.0 – C57
2019-02-25 01:14:35 S 08 47 24.228 -23 49 56.42 – V C57
2019-02-25 01:14:35 s 1 -192145.26 8 +236774.20 2880.0 – C57
2019-02-25 01:44:35 S 08 47 21.223 -23 49 51.42 – V C57
2019-02-25 01:44:35 s 1 -192456.32 6 +235174.52 3180.0 – C57
2019-02-25 02:14:35 S 08 47 19.392 -23 49 57.86 – V C57
2019-02-25 02:14:35 s 1 -192759.16 6 +233564.81 3670.0 – C57
2019-02-25 02:44:35 S 08 47 17.018 -23 49 57.50 – V C57
2019-02-25 02:44:35 s 1 -193053.70 0 +231945.07 3930.0 – C57
2019-02-25 06:14:35 S 08 46 59.806 -23 50 04.67 – V C57
2019-02-25 06:14:35 s 1 -194875.02 1 +220323.69 4540.0 – C57
2019-02-25 06:44:35 S 08 46 57.487 -23 50 07.55 – V C57
2019-02-25 06:44:35 s 1 -195099.70 1 +218622.75 7810.0 – C57
2019-02-25 07:14:35 S 08 46 55.133 -23 50 06.72 – V C57
2019-02-25 07:14:35 s 1 -195315.19 9 +216911.54 6940.0 – C57
2019-02-25 07:44:35 S 08 46 52.745 -23 50 08.70 – V C57
2019-02-25 07:44:35 s 1 -195521.41 1 +215190.04 1470.0 – C57
2019-02-25 08:14:35 S 08 46 50.498 -23 50 08.56 – V C57
2019-02-25 08:14:35 s 1 -195718.23 0 +213458.23 910.0 – C57
2019-02-25 08:44:35 S 08 46 47.827 -23 50 11.08 – V C57
2019-02-25 08:44:35 s 1 -195905.54 5 +211716.08 4770.0 – C57
2019-02-25 09:14:35 S 08 46 45.367 -23 50 09.20 – V C57
2019-02-25 09:14:35 s 1 -196083.24 7 +209963.57 2550.0 – C57
2019-02-25 09:44:35 S 08 46 43.147 -23 50 11.54 – V C57
2019-02-25 09:44:35 s 1 -196251.22 2 +208200.67 3740.0 – C57
2019-02-25 09:46:12 C 08 46 43.46 -23 49 21.3 – V T08
2019-02-25 09:58:50 C 08 46 42.48 -23 49 22.2 – V T08
2019-02-25 10:10:48 C 08 46 41.52 -23 49 22.9 – V T08
2019-02-25 10:14:35 S 08 46 40.728 -23 50 12.16 – V C57
2019-02-25 10:14:35 s 1 -196409.35 5 +206427.35 7830.0 – C57
2019-02-25 10:44:35 S 08 46 38.206 -23 50 12.98 – V C57
2019-02-25 10:44:35 s 1 -196557.52 9 +204643.59 4290.0 – C57