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
2021-02-02 12:04:06 S 07 45 13.399 +11 39 59.90 – V C57
2021-02-02 12:04:06 s 1 -39076.230 0 +389772.25 5640.0 – C57
2021-02-02 12:54:06 S 07 45 09.158 +11 39 32.83 – V C57
2021-02-02 12:54:06 s 1 -40807.214 0 +389706.86 8470.0 – C57
2021-02-02 13:04:06 S 07 45 08.321 +11 39 25.70 – V C57
2021-02-02 13:04:06 s 1 -41153.119 0 +389691.01 4700.0 – C57
2021-02-02 13:14:06 S 07 45 07.630 +11 39 22.64 – V C57
2021-02-02 13:14:06 s 1 -41498.924 0 +389674.22 810.0 – C57
2021-02-02 13:24:06 S 07 45 06.583 +11 39 15.66 – V C57
2021-02-02 13:24:06 s 1 -41844.628 0 +389656.51 6800.0 – C57
2021-02-02 13:34:06 S 07 45 05.774 +11 39 11.59 – V C57
2021-02-02 13:34:06 s 1 -42190.232 0 +389637.87 2680.0 – C57
2021-02-02 13:44:06 S 07 45 04.908 +11 39 06.70 – V C57
2021-02-02 13:44:06 s 1 -42535.734 0 +389618.30 8440.0 – C57
2021-02-02 13:54:06 S 07 45 04.130 +11 38 58.24 – V C57
2021-02-02 13:54:06 s 1 -42881.134 0 +389597.81 4080.0 – C57
2021-02-02 14:04:06 S 07 45 03.250 +11 38 53.70 – V C57
2021-02-02 14:04:06 s 1 -43226.430 0 +389576.39 9590.0 – C57
2021-02-02 14:14:06 S 07 45 02.489 +11 38 48.55 – V C57
2021-02-02 14:14:06 s 1 -43571.622 0 +389554.04 4980.0 – C57
2021-02-02 14:24:06 S 07 45 01.658 +11 38 43.04 – V C57
2021-02-02 14:24:06 s 1 -43916.708 0 +389530.77 240.0 – C57
2021-02-02 14:34:06 S 07 45 00.852 +11 38 38.98 – V C57
2021-02-02 14:34:06 s 1 -44261.689 0 +389506.58 5380.0 – C57
2021-02-02 14:44:06 S 07 45 00.005 +11 38 31.88 – V C57
2021-02-02 14:44:06 s 1 -44606.564 0 +389481.46 390.0 – C57
2021-02-02 14:54:06 S 07 44 59.210 +11 38 27.92 – V C57
2021-02-02 14:54:06 s 1 -44951.331 0 +389455.41 5270.0 – C57
2021-02-02 15:04:06 S 07 44 58.356 +11 38 24.50 – V C57
2021-02-02 15:04:06 s 1 -45295.989 0 +389428.44 20.0 – C57
2021-02-02 15:14:06 S 07 44 57.408 +11 38 18.78 – V C57
2021-02-02 15:14:06 s 1 -45640.539 0 +389400.54 4640.0 – C57
2021-02-02 15:24:06 S 07 44 56.614 +11 38 12.19 – V C57
2021-02-02 15:24:06 s 1 -45984.979 0 +389371.72 9120.0 – C57
2021-02-02 15:34:06 S 07 44 55.694 +11 38 07.80 – V C57
2021-02-02 15:34:06 s 1 -46329.308 0 +389341.98 3470.0 – C57
2021-02-02 15:44:06 S 07 44 55.022 +11 38 01.68 – V C57
2021-02-02 15:44:06 s 1 -46673.526 0 +389311.31 7680.0 – C57
2021-02-02 15:54:06 S 07 44 54.077 +11 37 56.68 – V C57
2021-02-02 15:54:06 s 1 -47017.631 0 +389279.72 1750.0 – C57
2021-02-02 16:04:06 S 07 44 53.297 +11 37 50.70 – V C57
2021-02-02 16:04:06 s 1 -47361.623 0 +389247.20 5680.0 – C57
2021-02-02 16:14:06 S 07 44 52.512 +11 37 47.53 – V C57
2021-02-02 16:14:06 s 1 -47705.502 0 +389213.76 9480.0 – C57
2021-02-02 16:24:06 S 07 44 51.526 +11 37 40.76 – V C57
2021-02-02 16:24:06 s 1 -48049.265 0 +389179.39 3130.0 – C57
2021-02-02 16:34:06 S 07 44 50.693 +11 37 33.74 – V C57
2021-02-02 16:34:06 s 1 -48392.914 0 +389144.11 6630.0 – C57
2021-02-02 16:36:04 C 07 44 40.17 +11 36 10.3 – q C97
2021-02-02 16:38:16 C 07 44 39.95 +11 36 09.1 – q C97