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 08:24:06 s 1 -194394.99 1 +121100.23 5960.0 C57
2021-01-25 08:34:06 S 08 01 50.998 +13 26 33.32 V C57
2021-01-25 08:34:06 s 1 -194256.88 8 +120314.33 1940.0 C57
2021-01-25 08:44:06 S 08 01 50.062 +13 26 28.03 V C57
2021-01-25 08:44:06 s 1 -194116.52 2 +119527.05 3880.0 C57
2021-01-25 08:54:06 S 08 01 49.198 +13 26 22.45 V C57
2021-01-25 08:54:06 s 1 -193973.88 0 +118738.36 1770.0 C57
2021-01-25 09:04:06 S 08 01 48.264 +13 26 15.97 V C57
2021-01-25 09:04:06 s 1 -193828.94 8 +117948.28 5580.0 C57
2021-01-25 09:14:06 S 08 01 47.359 +13 26 11.69 V C57
2021-01-25 09:14:06 s 1 -193681.71 1 +117156.81 5290.0 C57
2021-01-25 09:24:06 S 08 01 46.294 +13 26 04.67 V C57
2021-01-25 09:24:06 s 1 -193532.15 5 +116363.94 870.0 C57
2021-01-25 09:34:06 S 08 01 45.410 +13 25 58.55 V C57
2021-01-25 09:34:06 s 1 -193380.26 6 +115569.68 2280.0 C57
2021-01-25 09:44:06 S 08 01 44.314 +13 25 51.20 V C57
2021-01-25 09:44:06 s 1 -193226.02 8 +114774.02 9520.0 C57
2021-01-25 09:54:06 S 08 01 43.428 +13 25 46.42 V C57
2021-01-25 09:54:06 s 1 -193069.42 8 +113976.97 2540.0 C57
2021-01-25 10:04:06 S 08 01 42.523 +13 25 41.59 V C57
2021-01-25 10:04:06 s 1 -192910.45 0 +113178.52 1330.0 C57
2021-01-25 10:14:06 S 08 01 41.585 +13 25 35.22 V C57
2021-01-25 10:14:06 s 1 -192749.08 0 +112378.67 5840.0 C57
2021-01-25 10:24:06 S 08 01 40.766 +13 25 29.53 V C57
2021-01-25 10:24:06 s 1 -192585.30 1 +111577.43 6070.0 C57
2021-01-25 10:34:06 S 08 01 39.816 +13 25 23.81 V C57
2021-01-25 10:34:06 s 1 -192419.09 9 +110774.79 1980.0 C57
2021-01-25 10:44:06 S 08 01 38.784 +13 25 17.44 V C57
2021-01-25 10:44:06 s 1 -192250.45 8 +109970.76 3530.0 C57
2021-01-25 10:54:06 S 08 01 37.819 +13 25 12.00 V C57
2021-01-25 10:54:06 s 1 -192079.36 3 +109165.32 710.0 C57
2021-01-25 11:04:06 S 08 01 36.907 +13 25 05.70 V C57
2021-01-25 11:04:06 s 1 -191905.79 8 +108358.50 3480.0 C57
2021-01-25 11:14:06 S 08 01 35.945 +13 24 59.76 V C57
2021-01-25 11:14:06 s 1 -191729.74 7 +107550.27 1820.0 C57
2021-01-25 11:24:06 S 08 01 35.006 +13 24 53.21 V C57
2021-01-25 11:24:06 s 1 -191551.19 3 +106740.65 5690.0 C57
2021-01-25 11:34:06 S 08 01 34.097 +13 24 47.84 V C57
2021-01-25 11:34:06 s 1 -191370.12 2 +105929.63 5070.0 C57
2021-01-25 11:44:06 S 08 01 33.113 +13 24 40.97 V C57
2021-01-25 11:44:06 s 1 -191186.51 5 +105117.22 9930.0 C57
2021-01-25 11:54:06 S 08 01 32.275 +13 24 36.72 V C57
2021-01-25 11:54:06 s 1 -191000.35 8 +104303.42 230.0 C57
2021-01-25 12:04:06 S 08 01 31.250 +13 24 30.02 V C57
2021-01-25 12:04:06 s 1 -190811.63 2 +103488.21 5940.0 C57
2021-01-25 12:14:06 S 08 01 30.358 +13 24 26.28 V C57
2021-01-25 12:14:06 s 1 -190620.32 1 +102671.62 7040.0 C57
2021-01-25 12:24:06 S 08 01 29.354 +13 24 18.90 V C57
2021-01-25 12:24:06 s 1 -190426.40 9 +101853.63 3500.0 C57
2021-01-25 12:34:06 S 08 01 28.416 +13 24 10.84 V C57