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
2021-01-29 14:04:06 s 1 +139878.41 9 +229025.02 5710.0 – C57
2021-01-29 14:14:06 S 07 53 14.611 +12 30 24.16 – V C57
2021-01-29 14:14:06 s 1 +139680.30 7 +229670.58 5920.0 – C57
2021-01-29 14:24:06 S 07 53 13.750 +12 30 19.84 – V C57
2021-01-29 14:24:06 s 1 +139481.17 5 +230314.45 4250.0 – C57
2021-01-29 14:34:06 S 07 53 12.883 +12 30 14.40 – V C57
2021-01-29 14:34:06 s 1 +139281.02 8 +230956.64 690.0 – C57
2021-01-29 14:44:06 S 07 53 12.103 +12 30 06.91 – V C57
2021-01-29 14:44:06 s 1 +139079.87 4 +231597.16 5260.0 – C57
2021-01-29 14:54:06 S 07 53 11.114 +12 30 04.00 – V C57
2021-01-29 14:54:06 s 1 +138877.71 9 +232236.00 7970.0 – C57
2021-01-29 15:04:06 S 07 53 10.198 +12 29 56.65 – V C57
2021-01-29 15:04:06 s 1 +138674.56 9 +232873.18 8840.0 – C57
2021-01-29 15:14:06 S 07 53 09.341 +12 29 52.12 – V C57
2021-01-29 15:14:06 s 1 +138470.43 0 +233508.69 7870.0 – C57
2021-01-29 15:24:06 S 07 53 08.429 +12 29 48.52 – V C57
2021-01-29 15:24:06 s 1 +138265.30 8 +234142.55 5080.0 – C57
2021-01-29 15:34:06 S 07 53 07.730 +12 29 43.73 – V C57
2021-01-29 15:34:06 s 1 +138059.21 0 +234774.74 470.0 – C57
2021-01-29 15:44:06 S 07 53 06.840 +12 29 36.64 – V C57
2021-01-29 15:44:06 s 1 +137852.14 2 +235405.28 4060.0 – C57
2021-01-29 15:54:06 S 07 53 05.966 +12 29 32.10 – V C57
2021-01-29 15:54:06 s 1 +137644.10 9 +236034.17 5860.0 – C57
2021-01-29 16:04:06 S 07 53 05.143 +12 29 25.19 – V C57
2021-01-29 16:04:06 s 1 +137435.11 8 +236661.42 5880.0 – C57
2021-01-29 16:14:06 S 07 53 04.260 +12 29 21.37 – V C57
2021-01-29 16:14:06 s 1 +137225.17 5 +237287.02 4120.0 – C57
2021-01-29 16:24:06 S 07 53 03.511 +12 29 15.32 – V C57
2021-01-29 16:24:06 s 1 +137014.28 5 +237910.97 610.0 – C57
2021-01-29 16:34:06 S 07 53 02.453 +12 29 08.12 – V C57
2021-01-29 16:34:06 s 1 +136802.45 5 +238533.30 5360.0 – C57
2021-01-29 16:44:06 S 07 53 01.819 +12 29 03.48 – V C57
2021-01-29 16:44:06 s 1 +136589.69 0 +239153.98 8360.0 – C57
2021-01-29 16:54:06 S 07 53 00.845 +12 28 59.34 – V C57
2021-01-29 16:54:06 s 1 +136375.99 6 +239773.04 9640.0 – C57
2021-01-29 17:04:06 S 07 52 59.928 +12 28 53.98 – V C57
2021-01-29 17:04:06 s 1 +136161.37 9 +240390.47 9200.0 – C57
2021-01-29 17:14:06 S 07 52 59.167 +12 28 47.75 – V C57
2021-01-29 17:14:06 s 1 +135945.84 4 +241006.28 7050.0 – C57
2021-01-29 17:24:06 S 07 52 58.375 +12 28 43.75 – V C57
2021-01-29 17:24:06 s 1 +135729.39 7 +241620.46 3210.0 – C57
2021-01-29 17:34:06 S 07 52 57.526 +12 28 35.58 – V C57
2021-01-29 17:34:06 s 1 +135512.04 3 +242233.03 7680.0 – C57
2021-01-29 17:44:06 S 07 52 56.623 +12 28 32.45 – V C57
2021-01-29 17:44:06 s 1 +135293.78 9 +242843.99 470.0 – C57
2021-01-29 17:54:06 S 07 52 55.810 +12 28 26.94 – V C57
2021-01-29 17:54:06 s 1 +135074.64 0 +243453.33 1600.0 – C57
2021-01-29 18:04:06 S 07 52 54.864 +12 28 21.97 – V C57
2021-01-29 18:04:06 s 1 +134854.60 0 +244061.07 1080.0 – C57
2021-01-29 18:14:06 S 07 52 54.046 +12 28 16.36 – V C57