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
2021-01-23 09:24:06 S 08 06 22.289 +13 54 16.74 V C57
2021-01-23 09:24:06 s 1 -175339.73 0 +291724.57 4610.0 C57
2021-01-23 09:34:06 S 08 06 21.610 +13 54 11.99 V C57
2021-01-23 09:34:06 s 1 -175541.06 5 +291281.89 6460.0 C57
2021-01-23 09:54:06 S 08 06 19.673 +13 54 02.92 V C57
2021-01-23 09:54:06 s 1 -175941.83 5 +290393.38 6890.0 C57
2021-01-23 10:04:06 S 08 06 18.456 +13 53 59.06 V C57
2021-01-23 10:04:06 s 1 -176141.26 5 +289947.54 5460.0 C57
2021-01-23 10:14:07 S 08 06 17.506 +13 53 52.66 V C57
2021-01-23 10:14:07 s 1 -176340.05 6 +289500.65 2920.0 C57
2021-01-23 10:24:06 S 08 06 16.452 +13 53 46.36 V C57
2021-01-23 10:24:06 s 1 -176538.20 4 +289052.71 9280.0 C57
2021-01-23 10:34:07 S 08 06 15.658 +13 53 40.31 V C57
2021-01-23 10:34:07 s 1 -176735.70 9 +288603.72 4530.0 C57
2021-01-23 10:44:06 S 08 06 14.568 +13 53 34.22 V C57
2021-01-23 10:44:06 s 1 -176932.56 6 +288153.67 8670.0 C57
2021-01-23 10:54:06 S 08 06 13.822 +13 53 28.93 V C57
2021-01-23 10:54:06 s 1 -177128.77 5 +287702.56 1690.0 C57
2021-01-23 11:04:06 S 08 06 12.679 +13 53 21.44 V C57
2021-01-23 11:04:06 s 1 -177324.33 3 +287250.39 3580.0 C57
2021-01-23 11:14:06 S 08 06 11.729 +13 53 17.34 V C57
2021-01-23 11:14:06 s 1 -177519.23 7 +286797.17 4350.0 C57
2021-01-23 11:24:06 S 08 06 10.788 +13 53 11.33 V C57
2021-01-23 11:24:06 s 1 -177713.48 5 +286342.89 3980.0 C57
2021-01-23 11:34:06 S 08 06 09.763 +13 53 05.64 V C57
2021-01-23 11:34:06 s 1 -177907.07 5 +285887.55 2490.0 C57
2021-01-23 11:44:07 S 08 06 08.832 +13 52 59.12 V C57
2021-01-23 11:44:07 s 1 -178100.00 4 +285431.15 9850.0 C57
2021-01-23 11:54:06 S 08 06 07.903 +13 52 52.90 V C57
2021-01-23 11:54:06 s 1 -178292.27 0 +284973.68 6070.0 C57
2021-01-23 12:04:07 S 08 06 06.787 +13 52 48.04 V C57
2021-01-23 12:04:07 s 1 -178483.87 0 +284515.15 1140.0 C57
2021-01-23 12:14:06 S 08 06 05.928 +13 52 40.80 V C57
2021-01-23 12:14:06 s 1 -178674.80 3 +284055.56 5060.0 C57
2021-01-23 12:24:06 S 08 06 04.918 +13 52 36.73 V C57
2021-01-23 12:24:06 s 1 -178865.06 5 +283594.91 7820.0 C57
2021-01-23 12:34:06 S 08 06 04.010 +13 52 28.81 V C57
2021-01-23 12:34:06 s 1 -179054.65 4 +283133.19 9420.0 C57
2021-01-23 12:44:06 S 08 06 03.089 +13 52 25.64 V C57
2021-01-23 12:44:06 s 1 -179243.56 8 +282670.40 9860.0 C57
2021-01-23 12:54:06 S 08 06 02.078 +13 52 18.59 V C57
2021-01-23 12:54:06 s 1 -179431.80 5 +282206.54 9120.0 C57
2021-01-23 13:34:06 S 08 05 58.229 +13 51 54.36 V C57
2021-01-23 13:34:06 s 1 -180177.92 5 +280340.43 4410.0 C57
2021-01-23 13:44:06 S 08 05 57.185 +13 51 48.64 V C57
2021-01-23 13:44:06 s 1 -180362.73 6 +279871.22 7770.0 C57
2021-01-23 13:54:06 S 08 05 56.256 +13 51 42.91 V C57
2021-01-23 13:54:06 s 1 -180546.85 4 +279400.94 9920.0 C57
2021-01-23 14:04:06 S 08 05 55.142 +13 51 37.04 V C57
2021-01-23 14:04:06 s 1 -180730.27 7 +278929.58 880.0 C57