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
2019-02-12 13:44:35 S 09 12 17.064 -22 52 45.95 – V C57
2019-02-12 13:44:35 s 1 -198987.24 9 +198771.91 7120.0 – C57
2019-02-12 14:14:35 S 09 12 14.230 -22 52 55.85 – V C57
2019-02-12 14:14:35 s 1 -199062.91 1 +196947.05 1660.0 – C57
2019-02-12 14:44:35 S 09 12 11.630 -22 53 05.32 – V C57
2019-02-12 14:44:35 s 1 -199128.12 4 +195111.74 5470.0 – C57
2019-02-12 15:14:35 S 09 12 08.930 -22 53 13.67 – V C57
2019-02-12 15:14:35 s 1 -199182.76 1 +193265.98 7950.0 – C57
2019-02-12 15:44:35 S 09 12 06.086 -22 53 23.17 – V C57
2019-02-12 15:44:35 s 1 -199226.68 9 +191409.74 8500.0 – C57
2019-02-12 16:14:35 S 09 12 03.386 -22 53 31.70 – V C57
2019-02-12 16:14:35 s 1 -199259.77 4 +189542.99 6500.0 – C57
2019-02-12 16:44:35 S 09 12 00.703 -22 53 40.96 – V C57
2019-02-12 16:44:35 s 1 -199281.88 0 +187665.70 1330.0 – C57
2019-02-12 17:14:35 S 09 11 58.078 -22 53 49.99 – V C57
2019-02-12 17:14:35 s 1 -199292.86 7 +185777.85 2350.0 – C57
2019-02-12 17:44:35 S 09 11 55.337 -22 53 59.10 – V C57
2019-02-12 17:44:35 s 1 -199292.59 4 +183879.41 8910.0 – C57
2019-02-12 18:14:35 S 09 11 52.649 -22 54 08.89 – V C57
2019-02-12 18:14:35 s 1 -199280.91 6 +181970.36 340.0 – C57
2019-02-12 18:44:35 S 09 11 49.822 -22 54 17.10 – V C57
2019-02-12 18:44:35 s 1 -199257.68 6 +180050.68 5970.0 – C57
2019-02-12 19:14:35 S 09 11 47.196 -22 54 26.06 – V C57
2019-02-12 19:14:35 s 1 -199222.75 3 +178120.34 5100.0 – C57
2019-02-12 19:44:35 S 09 11 44.496 -22 54 35.82 – V C57
2019-02-12 19:44:35 s 1 -199175.96 3 +176179.32 7030.0 – C57
2019-02-12 20:14:35 S 09 11 41.738 -22 54 44.10 – V C57
2019-02-12 20:14:35 s 1 -199117.16 1 +174227.58 1030.0 – C57
2019-02-12 20:44:35 S 09 11 38.981 -22 54 53.17 – V C57
2019-02-12 20:44:35 s 1 -199046.18 6 +172265.12 6360.0 – C57
2019-02-12 21:14:35 S 09 11 36.257 -22 55 01.06 – V C57
2019-02-12 21:14:35 s 1 -198962.87 7 +170291.90 2290.0 – C57
2019-02-13 10:27:42 C 09 10 28.25 -22 58 43.6 – V T08
2019-02-13 10:52:16 C 09 10 26.07 -22 58 51.2 – V T08
2019-02-13 11:04:13 C 09 10 25.02 -22 58 54.7 – V T08
2019-02-17 10:16:44 C 09 02 15.72 -23 23 56.4 – V T08
2019-02-17 10:30:05 C 09 02 14.56 -23 23 59.0 – V T08
2019-02-17 10:44:04 C 09 02 13.36 -23 24 02.2 – V T08
2019-02-17 10:58:03 C 09 02 12.13 -23 24 04.6 – V T08
2019-02-23 11:44:35 S 08 50 27.650 -23 47 57.48 – V C57
2019-02-23 11:44:35 s 1 -150430.56 8 +329670.80 9860.0 – C57
2019-02-23 12:14:35 S 08 50 25.277 -23 47 57.80 – V C57
2019-02-23 12:14:35 s 1 -151175.57 0 +328768.80 3290.0 – C57
2019-02-23 12:44:35 S 08 50 22.968 -23 48 01.37 – V C57
2019-02-23 12:44:35 s 1 -151916.51 9 +327858.00 5520.0 – C57
2019-02-23 13:14:35 S 08 50 20.371 -23 48 02.12 – V C57
2019-02-23 13:14:35 s 1 -152653.37 9 +326938.40 6390.0 – C57
2019-02-23 13:44:35 S 08 50 17.875 -23 48 05.90 – V C57
2019-02-23 13:44:35 s 1 -153386.11 5 +326009.98 5740.0 – C57
2019-02-23 14:14:35 S 08 50 15.487 -23 48 06.44 – V C57