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
2021-01-30 19:04:06 S 07 50 45.629 +12 14 53.92 – V C57
2021-01-30 19:04:06 s 1 +94228.551 0 +318602.44 6460.0 – C57
2021-01-30 19:14:06 S 07 50 44.659 +12 14 47.76 – V C57
2021-01-30 19:14:06 s 1 +93919.819 0 +318997.62 8710.0 – C57
2021-01-30 19:24:06 S 07 50 43.944 +12 14 41.60 – V C57
2021-01-30 19:24:06 s 1 +93610.721 0 +319391.54 250.0 – C57
2021-01-30 19:34:06 S 07 50 43.070 +12 14 37.90 – V C57
2021-01-30 19:34:06 s 1 +93301.259 0 +319784.23 1080.0 – C57
2021-01-30 19:44:06 S 07 50 42.206 +12 14 32.46 – V C57
2021-01-30 19:44:06 s 1 +92991.436 0 +320175.67 1220.0 – C57
2021-01-30 19:54:06 S 07 50 41.244 +12 14 25.26 – V C57
2021-01-30 19:54:06 s 1 +92681.253 0 +320565.86 670.0 – C57
2021-01-30 20:04:06 S 07 50 40.440 +12 14 20.62 – V C57
2021-01-30 20:04:06 s 1 +92370.712 0 +320954.82 9420.0 – C57
2021-01-30 20:14:06 S 07 50 39.638 +12 14 16.76 – V C57
2021-01-30 20:14:06 s 1 +92059.817 0 +321342.54 7480.0 – C57
2021-01-30 20:24:06 S 07 50 38.705 +12 14 11.58 – V C57
2021-01-30 20:24:06 s 1 +91748.568 0 +321729.02 4860.0 – C57
2021-01-30 20:34:06 S 07 50 37.867 +12 14 04.85 – V C57
2021-01-30 20:34:06 s 1 +91436.968 0 +322114.27 1560.0 – C57
2021-01-30 20:44:06 S 07 50 37.116 +12 13 59.38 – V C57
2021-01-30 20:44:06 s 1 +91125.018 0 +322498.29 7580.0 – C57
2021-01-30 20:54:06 S 07 50 36.175 +12 13 53.98 – V C57
2021-01-30 20:54:06 s 1 +90812.722 0 +322881.07 2930.0 – C57
2021-01-30 21:04:06 S 07 50 35.350 +12 13 47.39 – V C57
2021-01-30 21:04:06 s 1 +90500.081 0 +323262.63 7610.0 – C57
2021-01-30 21:14:06 S 07 50 34.493 +12 13 43.03 – V C57
2021-01-30 21:14:06 s 1 +90187.097 0 +323642.95 1620.0 – C57
2021-01-30 21:24:06 S 07 50 33.442 +12 13 36.59 – V C57
2021-01-30 21:24:06 s 1 +89873.772 0 +324022.05 4970.0 – C57
2021-01-30 21:34:06 S 07 50 32.765 +12 13 33.89 – V C57
2021-01-30 21:34:06 s 1 +89560.109 0 +324399.93 7670.0 – C57
2021-01-30 21:44:06 S 07 50 31.951 +12 13 26.54 – V C57
2021-01-30 21:44:06 s 1 +89246.108 0 +324776.58 9700.0 – C57
2021-01-30 21:54:06 S 07 50 30.979 +12 13 23.16 – V C57
2021-01-30 21:54:06 s 1 +88931.773 0 +325152.01 1090.0 – C57
2021-01-30 22:04:06 S 07 50 30.106 +12 13 16.28 – V C57
2021-01-30 22:04:06 s 1 +88617.105 0 +325526.22 1830.0 – C57
2021-01-30 22:14:06 S 07 50 29.220 +12 13 11.21 – V C57
2021-01-30 22:14:06 s 1 +88302.106 0 +325899.21 1930.0 – C57
2021-01-30 22:24:06 S 07 50 28.423 +12 13 05.70 – V C57
2021-01-30 22:24:06 s 1 +87986.778 0 +326270.98 1390.0 – C57
2021-01-30 22:34:06 S 07 50 27.468 +12 13 01.02 – V C57
2021-01-30 22:34:06 s 1 +87671.124 0 +326641.54 210.0 – C57
2021-01-30 22:44:06 S 07 50 26.638 +12 12 55.12 – V C57
2021-01-30 22:44:06 s 1 +87355.145 0 +327010.88 8390.0 – C57
2021-01-30 22:54:06 S 07 50 25.906 +12 12 49.21 – V C57
2021-01-30 22:54:06 s 1 +87038.842 0 +327379.01 5950.0 – C57
2021-01-30 23:04:06 S 07 50 24.840 +12 12 43.45 – V C57
2021-01-30 23:04:06 s 1 +86722.219 0 +327745.93 2880.0 – C57