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
2021-01-25 21:04:06 s 1 -176270.32 1 +57435.223 9060.0 C57
2021-01-25 21:14:06 S 08 00 40.078 +13 19 06.53 V C57
2021-01-25 21:14:06 s 1 -175908.95 0 +56546.217 5410.0 C57
2021-01-25 21:24:06 S 08 00 39.223 +13 19 01.45 V C57
2021-01-25 21:24:06 s 1 -175543.74 3 +55655.984 4850.0 C57
2021-01-25 21:34:06 S 08 00 38.110 +13 18 55.04 V C57
2021-01-25 21:34:06 s 1 -175174.67 0 +54764.532 7350.0 C57
2021-01-25 21:44:06 S 08 00 37.322 +13 18 49.36 V C57
2021-01-25 21:44:06 s 1 -174801.70 2 +53871.867 2850.0 C57
2021-01-25 21:54:06 S 08 00 36.425 +13 18 43.56 V C57
2021-01-25 21:54:06 s 1 -174424.80 6 +52977.998 1280.0 C57
2021-01-25 22:04:06 S 08 00 35.450 +13 18 36.29 V C57
2021-01-25 22:04:06 s 1 -174043.95 2 +52082.932 2590.0 C57
2021-01-25 22:14:06 S 08 00 34.596 +13 18 32.58 V C57
2021-01-25 22:14:06 s 1 -173659.10 9 +51186.679 6720.0 C57
2021-01-25 22:24:06 S 08 00 33.569 +13 18 26.10 V C57
2021-01-25 22:24:06 s 1 -173270.24 3 +50289.245 3620.0 C57
2021-01-25 22:34:06 S 08 00 32.671 +13 18 18.54 V C57
2021-01-25 22:34:06 s 1 -172877.32 3 +49390.641 3220.0 C57
2021-01-25 22:44:06 S 08 00 31.790 +13 18 08.75 V C57
2021-01-25 22:44:06 s 1 -172480.31 6 +48490.875 5470.0 C57
2021-01-25 22:54:06 S 08 00 30.910 +13 18 06.62 V C57
2021-01-25 22:54:06 s 1 -172079.18 9 +47589.956 310.0 C57
2021-01-25 23:04:06 S 08 00 29.959 +13 17 59.71 V C57
2021-01-25 23:04:06 s 1 -171673.90 9 +46687.894 7670.0 C57
2021-01-25 23:14:06 S 08 00 28.831 +13 17 53.88 V C57
2021-01-25 23:14:06 s 1 -171264.44 1 +45784.699 7490.0 C57
2021-01-25 23:24:06 S 08 00 28.030 +13 17 49.70 V C57
2021-01-25 23:24:06 s 1 -170850.75 2 +44880.381 9710.0 C57
2021-01-25 23:34:06 S 08 00 27.072 +13 17 45.67 V C57
2021-01-25 23:34:06 s 1 -170432.80 6 +43974.950 4270.0 C57
2021-01-25 23:44:06 S 08 00 26.340 +13 17 38.98 V C57
2021-01-25 23:44:06 s 1 -170010.56 9 +43068.418 1100.0 C57
2021-01-25 23:54:06 S 08 00 25.318 +13 17 33.72 V C57
2021-01-25 23:54:06 s 1 -169584.00 6 +42160.795 140.0 C57
2021-01-26 00:04:06 S 08 00 24.317 +13 17 26.77 V C57
2021-01-26 00:04:06 s 1 -169153.07 9 +41252.093 1320.0 C57
2021-01-26 00:14:06 S 08 00 23.443 +13 17 21.19 V C57
2021-01-26 00:14:06 s 1 -168717.75 4 +40342.323 4580.0 C57
2021-01-26 00:24:06 S 08 00 22.562 +13 17 14.78 V C57
2021-01-26 00:24:06 s 1 -168277.99 4 +39431.498 9850.0 C57
2021-01-28 02:14:06 S 07 56 16.800 +12 49 37.38 V C57
2021-01-28 02:14:06 s 1 +139359.72 4 +44549.151 9870.0 C57
2021-01-28 02:24:06 S 07 56 15.998 +12 49 32.95 V C57
2021-01-28 02:24:06 s 1 +139721.56 0 +45639.621 5130.0 C57
2021-01-28 02:34:06 S 07 56 15.158 +12 49 26.44 V C57
2021-01-28 02:34:06 s 1 +140077.35 5 +46728.111 9410.0 C57
2021-01-28 02:44:06 S 07 56 14.393 +12 49 19.99 V C57
2021-01-28 02:44:06 s 1 +140427.17 6 +47814.602 2830.0 C57
2021-01-28 02:54:06 S 07 56 13.598 +12 49 16.39 V C57