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
2019-02-05 08:14:35 s 1 +77433.967 0 +281856.15 3800.0 – C57
2019-02-05 08:44:35 S 09 27 31.133 -21 43 03.94 – V C57
2019-02-05 08:44:35 s 1 +76547.366 0 +283318.91 5340.0 – C57
2019-02-05 09:14:35 S 09 27 28.603 -21 43 20.24 – V C57
2019-02-05 09:14:35 s 1 +75657.040 0 +284768.29 4990.0 – C57
2019-02-05 09:44:35 S 09 27 26.258 -21 43 32.27 – V C57
2019-02-05 09:44:35 s 1 +74763.068 0 +286204.38 3250.0 – C57
2019-02-05 10:11:48 C 09 27 02.424 -21 41 53.64 – U F52
2019-02-05 10:14:35 S 09 27 23.616 -21 43 48.94 – V C57
2019-02-05 10:14:35 s 1 +73865.528 0 +287627.24 580.0 – C57
2019-02-05 10:28:27 C 09 27 00.977 -21 42 01.80 – U F52
2019-02-05 10:44:35 S 09 27 21.146 -21 44 03.80 – V C57
2019-02-05 10:44:35 s 1 +72964.497 0 +289036.95 7460.0 – C57
2019-02-05 10:45:03 C 09 26 59.538 -21 42 09.91 – U F52
2019-02-05 11:14:35 S 09 27 18.682 -21 44 18.53 – V C57
2019-02-05 11:14:35 s 1 +72060.048 0 +290433.58 4340.0 – C57
2019-02-05 11:30:53 C 09 26 55.54 -21 42 32.2 – V T08
2019-02-05 11:44:35 S 09 27 16.176 -21 44 33.58 – V C57
2019-02-05 11:44:35 s 1 +71152.257 0 +291817.19 1670.0 – C57
2019-02-05 12:06:01 C 09 26 52.49 -21 42 49.2 – V T08
2019-02-05 12:10:40 C 09 26 52.09 -21 42 51.5 – V T08
2019-02-05 12:14:35 S 09 27 13.586 -21 44 50.53 – V C57
2019-02-05 12:14:35 s 1 +70241.195 0 +293187.87 9890.0 – C57
2019-02-05 12:44:35 S 09 27 11.006 -21 45 03.92 – V C57
2019-02-05 12:44:35 s 1 +69326.934 0 +294545.66 9440.0 – C57
2019-02-05 13:14:35 S 09 27 08.645 -21 45 18.61 – V C57
2019-02-05 13:14:35 s 1 +68409.542 0 +295890.65 750.0 – C57
2019-02-05 13:44:35 S 09 27 06.110 -21 45 34.42 – V C57
2019-02-05 13:44:35 s 1 +67489.089 0 +297222.90 4230.0 – C57
2019-02-05 14:14:35 S 09 27 03.624 -21 45 49.14 – V C57
2019-02-05 14:14:35 s 1 +66565.641 0 +298542.48 300.0 – C57
2019-02-05 14:44:35 S 09 27 01.061 -21 46 03.40 – V C57
2019-02-05 14:44:35 s 1 +65639.264 0 +299849.44 9360.0 – C57
2019-02-05 15:14:35 S 09 26 58.663 -21 46 18.08 – V C57
2019-02-05 15:14:35 s 1 +64710.024 0 +301143.86 1810.0 – C57
2019-02-05 15:24:00 C 09 26 35.58 -21 44 19.6 – q E89
2019-02-05 15:44:35 S 09 26 56.114 -21 46 33.49 – V C57
2019-02-05 15:44:35 s 1 +63777.983 0 +302425.79 8040.0 – C57
2019-02-05 15:48:49 C 09 26 33.44 -21 44 31.1 – q E89
2019-02-05 16:14:35 S 09 26 53.590 -21 46 48.29 – V C57
2019-02-05 16:14:35 s 1 +62843.206 0 +303695.30 8430.0 – C57
2019-02-05 16:44:35 S 09 26 51.072 -21 47 02.33 – V C57
2019-02-05 16:44:35 s 1 +61905.752 0 +304952.45 3370.0 – C57
2019-02-05 17:14:35 S 09 26 48.494 -21 47 18.74 – V C57
2019-02-05 17:14:35 s 1 +60965.683 0 +306197.30 3230.0 – C57
2019-02-05 17:44:35 S 09 26 46.080 -21 47 32.82 – V C57
2019-02-05 17:44:35 s 1 +60023.057 0 +307429.90 8370.0 – C57
2019-02-05 18:14:35 S 09 26 43.438 -21 47 46.68 – V C57
2019-02-05 18:14:35 s 1 +59077.934 0 +308650.33 9160.0 – C57
2019-02-05 18:44:35 S 09 26 40.990 -21 48 01.66 – V C57