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
2021-01-29 22:24:06 s 1 +128838.26 1 +259308.18 7010.0 C57
2021-01-29 22:34:06 S 07 52 31.675 +12 25 55.92 V C57
2021-01-29 22:34:06 s 1 +128596.12 6 +259873.68 5270.0 C57
2021-01-29 22:44:06 S 07 52 30.768 +12 25 50.92 V C57
2021-01-29 22:44:06 s 1 +128353.23 9 +260437.66 2130.0 C57
2021-01-29 22:54:06 S 07 52 29.837 +12 25 46.81 V C57
2021-01-29 22:54:06 s 1 +128109.60 6 +261000.12 7600.0 C57
2021-01-29 23:04:06 S 07 52 29.066 +12 25 37.78 V C57
2021-01-29 23:04:06 s 1 +127865.22 9 +261561.07 1670.0 C57
2021-01-29 23:14:06 S 07 52 28.003 +12 25 33.46 V C57
2021-01-29 23:14:06 s 1 +127620.11 4 +262120.49 4360.0 C57
2021-01-29 23:24:06 S 07 52 27.386 +12 25 29.39 V C57
2021-01-29 23:24:06 s 1 +127374.26 5 +262678.41 5680.0 C57
2021-01-29 23:34:06 S 07 52 26.510 +12 25 23.70 V C57
2021-01-29 23:34:06 s 1 +127127.68 7 +263234.82 5640.0 C57
2021-01-29 23:44:06 S 07 52 25.555 +12 25 19.09 V C57
2021-01-29 23:44:06 s 1 +126880.38 3 +263789.73 4240.0 C57
2021-01-29 23:54:06 S 07 52 24.751 +12 25 12.97 V C57
2021-01-29 23:54:06 s 1 +126632.35 8 +264343.13 1490.0 C57
2021-01-30 00:04:06 S 07 52 23.964 +12 25 07.39 V C57
2021-01-30 00:04:06 s 1 +126383.61 6 +264895.03 7390.0 C57
2021-01-30 00:14:06 S 07 52 23.090 +12 25 01.85 V C57
2021-01-30 00:14:06 s 1 +126134.16 1 +265445.43 1960.0 C57
2021-01-30 00:24:06 S 07 52 22.116 +12 24 56.52 V C57
2021-01-30 00:24:06 s 1 +125883.99 8 +265994.34 5210.0 C57
2021-01-30 00:34:06 S 07 52 21.305 +12 24 52.34 V C57
2021-01-30 00:34:06 s 1 +125633.13 0 +266541.76 7130.0 C57
2021-01-30 00:44:06 S 07 52 20.422 +12 24 45.86 V C57
2021-01-30 00:44:06 s 1 +125381.56 3 +267087.69 7750.0 C57
2021-01-30 00:54:06 S 07 52 19.512 +12 24 40.82 V C57
2021-01-30 00:54:06 s 1 +125129.29 9 +267632.13 7060.0 C57
2021-01-30 01:04:06 S 07 52 18.662 +12 24 34.31 V C57
2021-01-30 01:04:06 s 1 +124876.34 3 +268175.09 5070.0 C57
2021-01-30 01:14:06 S 07 52 17.926 +12 24 31.03 V C57
2021-01-30 01:14:06 s 1 +124622.69 9 +268716.56 1790.0 C57
2021-01-30 01:24:06 S 07 52 16.925 +12 24 24.16 V C57
2021-01-30 01:24:06 s 1 +124368.37 1 +269256.56 7230.0 C57
2021-01-30 01:34:06 S 07 52 16.097 +12 24 19.04 V C57
2021-01-30 01:34:06 s 1 +124113.36 3 +269795.09 1400.0 C57
2021-01-30 01:44:06 S 07 52 15.300 +12 24 14.65 V C57
2021-01-30 01:44:06 s 1 +123857.68 0 +270332.14 4300.0 C57
2021-01-30 01:54:06 S 07 52 14.429 +12 24 07.92 V C57
2021-01-30 01:54:06 s 1 +123601.32 4 +270867.72 5940.0 C57
2021-01-30 02:04:06 S 07 52 13.481 +12 24 03.92 V C57
2021-01-30 02:04:06 s 1 +123344.30 0 +271401.83 6320.0 C57
2021-01-30 02:14:06 S 07 52 12.694 +12 23 57.52 V C57
2021-01-30 02:14:06 s 1 +123086.61 1 +271934.48 5460.0 C57
2021-01-30 02:24:06 S 07 52 11.729 +12 23 51.68 V C57
2021-01-30 02:24:06 s 1 +122828.26 3 +272465.66 3360.0 C57
2021-01-30 02:34:06 S 07 52 10.968 +12 23 47.44 V C57