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
2019-02-09 22:44:35 S 09 17 57.749 -22 31 19.60 – V C57
2019-02-09 22:44:35 s 1 -133992.78 2 +352598.74 4280.0 – C57
2019-02-09 23:14:35 S 09 17 55.118 -22 31 30.83 – V C57
2019-02-09 23:14:35 s 1 -134798.96 1 +351930.77 3530.0 – C57
2019-02-09 23:44:35 S 09 17 52.474 -22 31 42.38 – V C57
2019-02-09 23:44:35 s 1 -135602.04 6 +351254.37 5160.0 – C57
2019-02-10 00:14:35 S 09 17 49.584 -22 31 53.22 – V C57
2019-02-10 00:14:35 s 1 -136402.00 9 +350569.53 9060.0 – C57
2019-02-10 00:44:35 S 09 17 47.033 -22 32 05.93 – V C57
2019-02-10 00:44:35 s 1 -137198.82 2 +349876.24 5090.0 – C57
2019-02-10 01:14:35 S 09 17 44.292 -22 32 15.14 – V C57
2019-02-10 01:14:35 s 1 -137992.45 8 +349174.50 3120.0 – C57
2019-02-10 01:44:35 S 09 17 41.774 -22 32 28.32 – V C57
2019-02-10 01:44:35 s 1 -138782.88 9 +348464.31 3020.0 – C57
2019-02-10 02:14:35 S 09 17 39.048 -22 32 39.08 – V C57
2019-02-10 02:14:35 s 1 -139570.08 6 +347745.66 4670.0 – C57
2019-02-10 02:44:35 S 09 17 36.209 -22 32 49.38 – V C57
2019-02-10 02:44:35 s 1 -140354.02 0 +347018.55 7930.0 – C57
2019-02-10 03:14:35 S 09 17 33.535 -22 33 00.29 – V C57
2019-02-10 03:14:35 s 1 -141134.66 5 +346282.96 2670.0 – C57
2019-02-10 03:44:35 S 09 17 30.905 -22 33 11.77 – V C57
2019-02-10 03:44:35 s 1 -141911.99 0 +345538.90 8760.0 – C57
2019-02-10 04:14:35 S 09 17 28.186 -22 33 22.46 – V C57
2019-02-10 04:14:35 s 1 -142685.96 6 +344786.36 6060.0 – C57
2019-02-10 04:44:35 S 09 17 25.562 -22 33 34.85 – V C57
2019-02-10 04:44:35 s 1 -143456.56 5 +344025.33 4440.0 – C57
2019-02-10 05:14:35 S 09 17 22.838 -22 33 45.76 – V C57
2019-02-10 05:14:35 s 1 -144223.75 7 +343255.81 3750.0 – C57
2019-02-10 05:44:35 S 09 17 20.170 -22 33 56.41 – V C57
2019-02-10 05:44:35 s 1 -144987.51 2 +342477.80 3880.0 – C57
2019-02-10 06:14:35 S 09 17 17.479 -22 34 07.18 – V C57
2019-02-10 06:14:35 s 1 -145747.80 0 +341691.27 4670.0 – C57
2019-02-10 06:44:35 S 09 17 14.686 -22 34 19.49 – V C57
2019-02-10 06:44:35 s 1 -146504.59 0 +340896.23 5980.0 – C57
2019-02-10 07:14:35 S 09 17 12.098 -22 34 29.53 – V C57
2019-02-10 07:14:35 s 1 -147257.85 3 +340092.68 7690.0 – C57
2019-02-10 07:44:35 S 09 17 09.360 -22 34 40.08 – V C57
2019-02-10 07:44:35 s 1 -148007.55 8 +339280.59 9650.0 – C57
2019-02-10 08:14:35 S 09 17 06.612 -22 34 50.95 – V C57
2019-02-10 08:14:35 s 1 -148753.67 3 +338459.98 1710.0 – C57
2019-02-10 08:44:35 S 09 17 03.833 -22 35 00.49 – V C57
2019-02-10 08:44:35 s 1 -149496.16 7 +337630.82 3730.0 – C57
2019-02-10 09:14:35 S 09 17 01.241 -22 35 10.03 – V C57
2019-02-10 09:14:35 s 1 -150235.01 0 +336793.11 5580.0 – C57
2019-02-10 10:14:35 S 09 16 55.884 -22 35 34.04 – V C57
2019-02-10 10:14:35 s 1 -151701.61 0 +335092.03 8150.0 – C57
2019-02-10 10:44:35 S 09 16 53.203 -22 35 46.68 – V C57
2019-02-10 10:44:35 s 1 -152429.30 4 +334228.63 8570.0 – C57
2019-02-10 11:14:35 S 09 16 50.515 -22 35 56.51 – V C57
2019-02-10 11:14:35 s 1 -153153.21 7 +333356.66 8240.0 – C57