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
2021-02-03 20:24:06 S 07 42 32.450 +11 22 51.20 V C57
2021-02-03 20:24:06 s 1 -103507.90 9 +370361.05 2610.0 C57
2021-02-03 20:44:06 S 07 42 30.958 +11 22 38.39 V C57
2021-02-03 20:44:06 s 1 -104132.32 1 +369980.68 8830.0 C57
2021-02-03 20:54:06 S 07 42 30.036 +11 22 28.52 V C57
2021-02-03 20:54:06 s 1 -104444.13 4 +369789.11 6340.0 C57
2021-02-03 21:04:06 S 07 42 29.273 +11 22 28.38 V C57
2021-02-03 21:04:06 s 1 -104755.68 2 +369596.61 3440.0 C57
2021-02-03 21:14:06 S 07 42 28.258 +11 22 19.52 V C57
2021-02-03 21:14:06 s 1 -105066.96 6 +369403.18 120.0 C57
2021-02-03 21:24:06 S 07 42 27.636 +11 22 14.88 V C57
2021-02-03 21:24:06 s 1 -105377.98 4 +369208.83 6400.0 C57
2021-02-03 21:34:06 S 07 42 26.779 +11 22 10.52 V C57
2021-02-03 21:34:06 s 1 -105688.73 5 +369013.55 2270.0 C57
2021-02-03 21:44:06 S 07 42 25.985 +11 22 08.08 V C57
2021-02-03 21:44:06 s 1 -105999.21 8 +368817.34 7720.0 C57
2021-02-03 22:24:06 S 07 42 22.750 +11 21 45.32 V C57
2021-02-03 22:24:06 s 1 -107238.45 4 +368023.25 5340.0 C57
2021-02-03 22:34:06 S 07 42 21.768 +11 21 39.35 V C57
2021-02-03 22:34:06 s 1 -107547.58 3 +367822.41 8690.0 C57
2021-02-03 22:44:06 S 07 42 21.012 +11 21 35.21 V C57
2021-02-03 22:44:06 s 1 -107856.43 9 +367620.64 1610.0 C57
2021-02-03 22:54:06 S 07 42 20.275 +11 21 31.79 V C57
2021-02-03 22:54:06 s 1 -108165.02 0 +367417.94 4110.0 C57
2021-02-03 23:04:06 S 07 42 19.483 +11 21 24.62 V C57
2021-02-03 23:04:06 s 1 -108473.32 5 +367214.31 6180.0 C57
2021-02-03 23:14:06 S 07 42 18.605 +11 21 19.30 V C57
2021-02-03 23:14:06 s 1 -108781.35 3 +367009.75 7820.0 C57
2021-02-03 23:24:06 S 07 42 17.770 +11 21 13.64 V C57
2021-02-03 23:24:06 s 1 -109089.10 4 +366804.27 9030.0 C57
2021-02-03 23:34:06 S 07 42 17.045 +11 21 10.08 V C57
2021-02-03 23:34:06 s 1 -109396.57 5 +366597.85 9800.0 C57
2021-02-03 23:54:06 S 07 42 15.310 +11 20 58.88 V C57
2021-02-03 23:54:06 s 1 -110010.67 9 +366182.23 40.0 C57
2021-02-04 00:04:06 S 07 42 14.465 +11 20 52.12 V C57
2021-02-04 00:04:06 s 1 -110317.30 8 +365973.03 9500.0 C57
2021-02-04 00:14:06 S 07 42 13.714 +11 20 46.43 V C57
2021-02-04 00:14:06 s 1 -110623.65 5 +365762.89 8520.0 C57
2021-02-04 00:24:06 S 07 42 12.766 +11 20 42.00 V C57
2021-02-04 00:24:06 s 1 -110929.71 7 +365551.83 7090.0 C57
2021-02-04 00:34:06 S 07 42 12.041 +11 20 36.85 V C57
2021-02-04 00:34:06 s 1 -111235.49 5 +365339.83 5220.0 C57
2021-02-04 00:44:06 S 07 42 11.206 +11 20 30.23 V C57
2021-02-04 00:44:06 s 1 -111540.98 7 +365126.91 2900.0 C57
2021-02-04 00:54:06 S 07 42 10.339 +11 20 26.27 V C57
2021-02-04 00:54:06 s 1 -111846.19 2 +364913.05 130.0 C57
2021-02-04 01:04:06 S 07 42 09.576 +11 20 20.72 V C57
2021-02-04 01:04:06 s 1 -112151.10 9 +364698.26 6910.0 C57
2021-02-04 01:14:06 S 07 42 08.825 +11 20 16.58 V C57
2021-02-04 01:14:06 s 1 -112455.73 6 +364482.54 3240.0 C57