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 10:34:06 S 07 49 25.637 +12 06 33.44 V C57
2021-01-31 10:34:06 s 1 +64202.877 0 +350221.95 2920.0 C57
2021-01-31 10:44:06 S 07 49 24.830 +12 06 27.83 V C57
2021-01-31 10:44:06 s 1 +63868.146 0 +350507.62 3820.0 C57
2021-01-31 10:54:06 S 07 49 24.046 +12 06 22.25 V C57
2021-01-31 10:54:06 s 1 +63533.212 0 +350792.17 4300.0 C57
2021-01-31 11:04:06 S 07 49 22.934 +12 06 16.42 V C57
2021-01-31 11:04:06 s 1 +63198.077 0 +351075.61 4380.0 C57
2021-01-31 11:14:06 S 07 49 22.140 +12 06 11.16 V C57
2021-01-31 11:14:06 s 1 +62862.743 0 +351357.94 4040.0 C57
2021-01-31 11:24:06 S 07 49 21.367 +12 06 05.54 V C57
2021-01-31 11:24:06 s 1 +62527.210 0 +351639.15 3300.0 C57
2021-01-31 11:34:06 S 07 49 20.443 +12 05 58.74 V C57
2021-01-31 11:34:06 s 1 +62191.481 0 +351919.25 2160.0 C57
2021-01-31 11:44:06 S 07 49 19.781 +12 05 55.14 V C57
2021-01-31 11:44:06 s 1 +61855.557 0 +352198.25 610.0 C57
2021-01-31 11:54:06 S 07 49 18.751 +12 05 49.38 V C57
2021-01-31 11:54:06 s 1 +61519.439 0 +352476.13 8660.0 C57
2021-01-31 12:04:06 S 07 49 18.036 +12 05 42.22 V C57
2021-01-31 12:04:06 s 1 +61183.128 0 +352752.91 6320.0 C57
2021-01-31 12:14:06 S 07 49 17.009 +12 05 38.58 V C57
2021-01-31 12:14:06 s 1 +60846.627 0 +353028.58 3580.0 C57
2021-01-31 12:24:06 S 07 49 16.265 +12 05 33.61 V C57
2021-01-31 12:24:06 s 1 +60509.935 0 +353303.14 460.0 C57
2021-01-31 12:34:06 S 07 49 15.283 +12 05 26.95 V C57
2021-01-31 12:34:06 s 1 +60173.056 0 +353576.61 6940.0 C57
2021-01-31 12:44:06 S 07 49 14.573 +12 05 23.32 V C57
2021-01-31 12:44:06 s 1 +59835.990 0 +353848.96 3030.0 C57
2021-01-31 12:54:06 S 07 49 13.699 +12 05 16.26 V C57
2021-01-31 12:54:06 s 1 +59498.738 0 +354120.22 8750.0 C57
2021-01-31 13:04:06 S 07 49 12.749 +12 05 11.94 V C57
2021-01-31 13:04:06 s 1 +59161.302 0 +354390.38 4080.0 C57
2021-01-31 13:14:06 S 07 49 11.945 +12 05 05.57 V C57
2021-01-31 13:14:06 s 1 +58823.683 0 +354659.43 9030.0 C57
2021-01-31 13:24:06 S 07 49 11.126 +12 05 01.07 V C57
2021-01-31 13:24:06 s 1 +58485.883 0 +354927.39 3600.0 C57
2021-01-31 13:34:06 S 07 49 10.164 +12 04 56.35 V C57
2021-01-31 13:34:06 s 1 +58147.904 0 +355194.25 7800.0 C57
2021-01-31 13:44:06 S 07 49 09.379 +12 04 48.47 V C57
2021-01-31 13:44:06 s 1 +57809.745 0 +355460.02 1630.0 C57
2021-01-31 13:54:06 S 07 49 08.506 +12 04 45.37 V C57
2021-01-31 13:54:06 s 1 +57471.409 0 +355724.68 5090.0 C57
2021-01-31 14:04:06 S 07 49 07.651 +12 04 39.22 V C57
2021-01-31 14:04:06 s 1 +57132.897 0 +355988.26 8180.0 C57
2021-01-31 14:14:06 S 07 49 06.593 +12 04 32.45 V C57
2021-01-31 14:14:06 s 1 +56794.211 0 +356250.74 900.0 C57
2021-01-31 14:24:06 S 07 49 05.952 +12 04 27.41 V C57
2021-01-31 14:24:06 s 1 +56455.351 0 +356512.13 3270.0 C57
2021-01-31 14:34:06 S 07 49 04.994 +12 04 21.14 V C57
2021-01-31 14:34:06 s 1 +56116.320 0 +356772.42 5270.0 C57