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
2021-01-31 23:54:06 s 1 +36895.364 0 +369638.37 2170.0 – C57
2021-02-01 00:04:06 S 07 48 16.241 +11 59 14.78 – V C57
2021-02-01 00:04:06 s 1 +36548.600 0 +369838.09 7310.0 – C57
2021-02-01 00:14:06 S 07 48 15.190 +11 59 06.61 – V C57
2021-02-01 00:14:06 s 1 +36201.735 0 +370036.77 2210.0 – C57
2021-02-01 00:24:06 S 07 48 14.520 +11 59 04.38 – V C57
2021-02-01 00:24:06 s 1 +35854.770 0 +370234.41 6880.0 – C57
2021-02-01 00:34:06 S 07 48 13.627 +11 58 58.69 – V C57
2021-02-01 00:34:06 s 1 +35507.705 0 +370431.02 1310.0 – C57
2021-02-01 00:44:06 S 07 48 12.821 +11 58 53.80 – V C57
2021-02-01 00:44:06 s 1 +35160.542 0 +370626.59 5520.0 – C57
2021-02-01 00:54:06 S 07 48 12.038 +11 58 47.93 – V C57
2021-02-01 00:54:06 s 1 +34813.281 0 +370821.13 9500.0 – C57
2021-02-01 01:04:06 S 07 48 11.150 +11 58 45.05 – V C57
2021-02-01 01:04:06 s 1 +34465.925 0 +371014.64 3250.0 – C57
2021-02-01 01:14:06 S 07 48 10.318 +11 58 37.02 – V C57
2021-02-01 01:14:06 s 1 +34118.474 0 +371207.11 6780.0 – C57
2021-02-01 01:24:06 S 07 48 09.590 +11 58 33.89 – V C57
2021-02-01 01:24:06 s 1 +33770.929 0 +371398.56 80.0 – C57
2021-02-01 01:34:06 S 07 48 08.597 +11 58 30.07 – V C57
2021-02-01 01:34:06 s 1 +33423.291 0 +371588.97 3170.0 – C57
2021-02-01 01:44:06 S 07 48 07.776 +11 58 21.76 – V C57
2021-02-01 01:44:06 s 1 +33075.561 0 +371778.35 6030.0 – C57
2021-02-01 01:54:06 S 07 48 06.946 +11 58 16.90 – V C57
2021-02-01 01:54:06 s 1 +32727.741 0 +371966.71 8680.0 – C57
2021-02-01 02:04:06 S 07 48 06.070 +11 58 12.00 – V C57
2021-02-01 02:04:06 s 1 +32379.831 0 +372154.04 1120.0 – C57
2021-02-01 02:14:06 S 07 48 05.311 +11 58 06.60 – V C57
2021-02-01 02:14:06 s 1 +32031.833 0 +372340.34 3340.0 – C57
2021-02-01 02:24:06 S 07 48 04.296 +11 58 02.17 – V C57
2021-02-01 02:24:06 s 1 +31683.748 0 +372525.61 5360.0 – C57
2021-02-01 02:34:06 S 07 48 03.480 +11 57 55.12 – V C57
2021-02-01 02:34:06 s 1 +31335.576 0 +372709.86 7160.0 – C57
2021-02-01 02:44:06 S 07 48 02.676 +11 57 51.73 – V C57
2021-02-01 02:44:06 s 1 +30987.319 0 +372893.08 8760.0 – C57
2021-02-01 02:54:06 S 07 48 01.646 +11 57 44.53 – V C57
2021-02-01 02:54:06 s 1 +30638.977 0 +373075.28 150.0 – C57
2021-02-01 03:04:06 S 07 48 01.008 +11 57 40.28 – V C57
2021-02-01 03:04:06 s 1 +30290.553 0 +373256.46 1340.0 – C57
2021-02-01 03:14:06 S 07 48 00.014 +11 57 33.52 – V C57
2021-02-01 03:14:06 s 1 +29942.047 0 +373436.61 2320.0 – C57
2021-02-01 03:24:06 S 07 47 59.239 +11 57 28.73 – V C57
2021-02-01 03:24:06 s 1 +29593.459 0 +373615.74 3110.0 – C57
2021-02-01 03:34:06 S 07 47 58.392 +11 57 23.80 – V C57
2021-02-01 03:34:06 s 1 +29244.792 0 +373793.85 3700.0 – C57
2021-02-01 03:44:06 S 07 47 57.624 +11 57 18.68 – V C57
2021-02-01 03:44:06 s 1 +28896.046 0 +373970.94 4090.0 – C57
2021-02-01 03:54:06 S 07 47 56.724 +11 57 13.07 – V C57
2021-02-01 03:54:06 s 1 +28547.222 0 +374147.01 4290.0 – C57
2021-02-01 04:04:06 S 07 47 55.738 +11 57 07.38 – V C57