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 14:44:06 S 07 49 04.238 +12 04 16.57 V C57
2021-01-31 14:44:06 s 1 +55777.118 0 +357031.63 6920.0 C57
2021-01-31 14:54:06 S 07 49 03.290 +12 04 11.89 V C57
2021-01-31 14:54:06 s 1 +55437.746 0 +357289.75 8210.0 C57
2021-01-31 15:04:06 S 07 49 02.395 +12 04 07.64 V C57
2021-01-31 15:04:06 s 1 +55098.207 0 +357546.78 9150.0 C57
2021-01-31 15:14:06 S 07 49 01.589 +12 04 00.77 V C57
2021-01-31 15:14:06 s 1 +54758.501 0 +357802.72 9730.0 C57
2021-01-31 15:24:06 S 07 49 00.811 +12 03 56.05 V C57
2021-01-31 15:24:06 s 1 +54418.630 0 +358057.58 9970.0 C57
2021-01-31 15:34:06 S 07 48 59.962 +12 03 51.84 V C57
2021-01-31 15:34:06 s 1 +54078.595 0 +358311.36 9860.0 C57
2021-01-31 15:44:06 S 07 48 59.160 +12 03 44.10 V C57
2021-01-31 15:44:06 s 1 +53738.397 0 +358564.04 9410.0 C57
2021-01-31 15:54:06 S 07 48 58.193 +12 03 38.41 V C57
2021-01-31 15:54:06 s 1 +53398.037 0 +358815.65 8620.0 C57
2021-01-31 16:04:06 S 07 48 57.317 +12 03 35.24 V C57
2021-01-31 16:04:06 s 1 +53057.518 0 +359066.17 7490.0 C57
2021-01-31 16:14:06 S 07 48 56.340 +12 03 29.59 V C57
2021-01-31 16:14:06 s 1 +52716.839 0 +359315.62 6020.0 C57
2021-01-31 16:24:06 S 07 48 55.627 +12 03 24.37 V C57
2021-01-31 16:24:06 s 1 +52376.003 0 +359563.98 4210.0 C57
2021-01-31 16:34:06 S 07 48 54.730 +12 03 18.22 V C57
2021-01-31 16:34:06 s 1 +52035.011 0 +359811.27 2080.0 C57
2021-01-31 16:44:06 S 07 48 53.810 +12 03 12.38 V C57
2021-01-31 16:44:06 s 1 +51693.864 0 +360057.47 9610.0 C57
2021-01-31 16:54:06 S 07 48 53.218 +12 03 08.78 V C57
2021-01-31 16:54:06 s 1 +51352.563 0 +360302.61 6820.0 C57
2021-01-31 17:04:06 S 07 48 52.142 +12 03 01.69 V C57
2021-01-31 17:04:06 s 1 +51011.110 0 +360546.66 3700.0 C57
2021-01-31 17:14:06 S 07 48 51.511 +12 02 57.41 V C57
2021-01-31 17:14:06 s 1 +50669.505 0 +360789.64 260.0 C57
2021-01-31 17:24:06 S 07 48 50.400 +12 02 50.96 V C57
2021-01-31 17:24:06 s 1 +50327.751 0 +361031.55 6490.0 C57
2021-01-31 17:34:06 S 07 48 49.716 +12 02 46.90 V C57
2021-01-31 17:34:06 s 1 +49985.848 0 +361272.38 2410.0 C57
2021-01-31 17:44:06 S 07 48 48.859 +12 02 39.26 V C57
2021-01-31 17:44:06 s 1 +49643.797 0 +361512.14 8010.0 C57
2021-01-31 17:54:06 S 07 48 47.911 +12 02 35.05 V C57
2021-01-31 17:54:06 s 1 +49301.601 0 +361750.83 3300.0 C57
2021-01-31 18:04:06 S 07 48 47.136 +12 02 29.80 V C57
2021-01-31 18:04:06 s 1 +48959.259 0 +361988.45 8270.0 C57
2021-01-31 18:14:06 S 07 48 46.205 +12 02 25.12 V C57
2021-01-31 18:14:06 s 1 +48616.774 0 +362225.00 2930.0 C57
2021-01-31 18:24:06 S 07 48 45.331 +12 02 19.07 V C57
2021-01-31 18:24:06 s 1 +48274.146 0 +362460.49 7290.0 C57
2021-01-31 18:34:06 S 07 48 44.395 +12 02 12.59 V C57
2021-01-31 18:34:06 s 1 +47931.377 0 +362694.90 1340.0 C57
2021-01-31 18:44:06 S 07 48 43.644 +12 02 09.35 V C57
2021-01-31 18:44:06 s 1 +47588.468 0 +362928.26 5090.0 C57