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
2021-02-04 05:14:06 s 1 -119677.37 3 +359025.00 4330.0 C57
2021-02-04 05:24:06 S 07 41 48.408 +11 18 03.60 V C57
2021-02-04 05:24:06 s 1 -119974.43 3 +358785.90 8710.0 C57
2021-02-04 05:34:06 S 07 41 47.522 +11 17 57.44 V C57
2021-02-04 05:34:06 s 1 -120271.17 6 +358545.85 2600.0 C57
2021-02-04 05:44:06 S 07 41 46.757 +11 17 53.38 V C57
2021-02-04 05:44:06 s 1 -120567.60 1 +358304.87 5970.0 C57
2021-02-04 05:54:06 S 07 41 46.073 +11 17 48.12 V C57
2021-02-04 05:54:06 s 1 -120863.70 7 +358062.94 8840.0 C57
2021-02-04 06:04:06 S 07 41 45.252 +11 17 42.32 V C57
2021-02-04 06:04:06 s 1 -121159.49 3 +357820.08 1200.0 C57
2021-02-04 06:14:06 S 07 41 44.278 +11 17 37.64 V C57
2021-02-04 06:14:06 s 1 -121454.95 8 +357576.27 3050.0 C57
2021-02-04 06:24:06 S 07 41 43.603 +11 17 31.56 V C57
2021-02-04 06:24:06 s 1 -121750.10 0 +357331.53 4390.0 C57
2021-02-04 06:34:06 S 07 41 42.701 +11 17 28.10 V C57
2021-02-04 06:34:06 s 1 -122044.91 9 +357085.84 5210.0 C57
2021-02-04 06:44:06 S 07 41 41.966 +11 17 20.26 V C57
2021-02-04 06:44:06 s 1 -122339.41 4 +356839.21 5510.0 C57
2021-02-04 06:54:06 S 07 41 41.054 +11 17 15.76 V C57
2021-02-04 06:54:06 s 1 -122633.58 3 +356591.64 5290.0 C57
2021-02-04 07:04:06 S 07 41 40.320 +11 17 12.12 V C57
2021-02-04 07:04:06 s 1 -122927.42 5 +356343.13 4560.0 C57
2021-02-04 07:14:06 S 07 41 39.480 +11 17 07.91 V C57
2021-02-04 07:14:06 s 1 -123220.93 9 +356093.67 3300.0 C57
2021-02-04 07:24:06 S 07 41 38.726 +11 17 00.85 V C57
2021-02-04 07:24:06 s 1 -123514.12 4 +355843.27 1510.0 C57
2021-02-04 07:34:06 S 07 41 37.910 +11 16 54.55 V C57
2021-02-04 07:34:06 s 1 -123806.97 9 +355591.93 9190.0 C57
2021-02-04 07:44:06 S 07 41 37.183 +11 16 51.17 V C57
2021-02-04 07:44:06 s 1 -124099.50 3 +355339.65 6350.0 C57
2021-02-04 07:54:06 S 07 41 36.319 +11 16 45.77 V C57
2021-02-04 07:54:06 s 1 -124391.69 4 +355086.42 2970.0 C57
2021-02-04 08:04:06 S 07 41 35.539 +11 16 39.54 V C57
2021-02-04 08:04:06 s 1 -124683.55 2 +354832.24 9060.0 C57
2021-02-04 08:54:06 S 07 41 31.308 +11 16 12.07 V C57
2021-02-04 08:54:06 s 1 -126137.79 6 +353547.19 1420.0 C57
2021-02-04 09:04:06 S 07 41 30.511 +11 16 06.53 V C57
2021-02-04 09:04:06 s 1 -126427.62 8 +353287.35 4270.0 C57
2021-02-04 09:14:06 S 07 41 29.748 +11 16 02.46 V C57
2021-02-04 09:14:06 s 1 -126717.11 8 +353026.55 6560.0 C57
2021-02-04 09:24:06 S 07 41 29.095 +11 15 57.13 V C57
2021-02-04 09:24:06 s 1 -127006.26 5 +352764.81 8300.0 C57
2021-02-04 09:34:06 S 07 41 28.152 +11 15 53.35 V C57
2021-02-04 09:34:06 s 1 -127295.06 8 +352502.12 9490.0 C57
2021-02-04 09:44:06 S 07 41 27.382 +11 15 47.23 V C57
2021-02-04 09:44:06 s 1 -127583.52 6 +352238.48 120.0 C57
2021-02-04 09:54:06 S 07 41 26.426 +11 15 41.40 V C57
2021-02-04 09:54:06 s 1 -127871.63 8 +351973.90 200.0 C57
2021-02-04 10:04:06 S 07 41 25.670 +11 15 35.14 V C57