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 18:14:06 s 1 +134633.67 7 +244667.20 8900.0 C57
2021-01-29 18:24:06 S 07 52 53.124 +12 28 09.91 V C57
2021-01-29 18:24:06 s 1 +134411.87 4 +245271.73 5090.0 C57
2021-01-29 18:34:06 S 07 52 52.246 +12 28 06.46 V C57
2021-01-29 18:34:06 s 1 +134189.19 8 +245874.66 9660.0 C57
2021-01-29 18:44:06 S 07 52 51.446 +12 27 59.29 V C57
2021-01-29 18:44:06 s 1 +133965.65 3 +246476.00 2600.0 C57
2021-01-29 18:54:06 S 07 52 50.549 +12 27 55.37 V C57
2021-01-29 18:54:06 s 1 +133741.24 5 +247075.74 3940.0 C57
2021-01-29 19:04:06 S 07 52 49.560 +12 27 49.07 V C57
2021-01-29 19:04:06 s 1 +133515.97 9 +247673.90 3680.0 C57
2021-01-29 19:14:06 S 07 52 48.883 +12 27 43.13 V C57
2021-01-29 19:14:06 s 1 +133289.86 1 +248270.47 1840.0 C57
2021-01-29 19:24:06 S 07 52 48.036 +12 27 38.84 V C57
2021-01-29 19:24:06 s 1 +133062.89 5 +248865.46 8410.0 C57
2021-01-29 19:34:06 S 07 52 47.107 +12 27 32.18 V C57
2021-01-29 19:34:06 s 1 +132835.08 7 +249458.87 3410.0 C57
2021-01-29 19:44:06 S 07 52 46.310 +12 27 27.47 V C57
2021-01-29 19:44:06 s 1 +132606.44 2 +250050.71 6860.0 C57
2021-01-29 19:54:06 S 07 52 45.355 +12 27 21.71 V C57
2021-01-29 19:54:06 s 1 +132376.96 4 +250640.97 8750.0 C57
2021-01-29 20:04:06 S 07 52 44.556 +12 27 16.45 V C57
2021-01-29 20:04:06 s 1 +132146.66 0 +251229.66 9100.0 C57
2021-01-29 20:14:06 S 07 52 43.574 +12 27 10.58 V C57
2021-01-29 20:14:06 s 1 +131915.53 3 +251816.78 7920.0 C57
2021-01-29 20:24:06 S 07 52 42.758 +12 27 06.26 V C57
2021-01-29 20:24:06 s 1 +131683.58 8 +252402.34 5210.0 C57
2021-01-29 20:34:06 S 07 52 41.906 +12 27 01.98 V C57
2021-01-29 20:34:06 s 1 +131450.83 2 +252986.34 990.0 C57
2021-01-29 20:44:06 S 07 52 41.057 +12 26 55.97 V C57
2021-01-29 20:44:06 s 1 +131217.26 8 +253568.79 5260.0 C57
2021-01-29 20:54:06 S 07 52 40.190 +12 26 49.24 V C57
2021-01-29 20:54:06 s 1 +130982.90 1 +254149.67 8030.0 C57
2021-01-29 21:04:06 S 07 52 39.319 +12 26 45.35 V C57
2021-01-29 21:04:06 s 1 +130747.73 6 +254729.01 9310.0 C57
2021-01-29 21:14:06 S 07 52 38.506 +12 26 39.91 V C57
2021-01-29 21:14:06 s 1 +130511.77 8 +255306.79 9120.0 C57
2021-01-29 21:24:06 S 07 52 37.663 +12 26 34.62 V C57
2021-01-29 21:24:06 s 1 +130275.03 2 +255883.04 7450.0 C57
2021-01-29 21:34:06 S 07 52 36.732 +12 26 27.31 V C57
2021-01-29 21:34:06 s 1 +130037.50 2 +256457.73 4320.0 C57
2021-01-29 21:44:06 S 07 52 35.899 +12 26 22.74 V C57
2021-01-29 21:44:06 s 1 +129799.19 3 +257030.89 9730.0 C57
2021-01-29 21:54:06 S 07 52 35.095 +12 26 18.17 V C57
2021-01-29 21:54:06 s 1 +129560.11 0 +257602.51 3700.0 C57
2021-01-29 22:04:06 S 07 52 34.301 +12 26 11.54 V C57
2021-01-29 22:04:06 s 1 +129320.25 7 +258172.60 6230.0 C57
2021-01-29 22:14:06 S 07 52 33.370 +12 26 07.51 V C57
2021-01-29 22:14:06 s 1 +129079.63 9 +258741.15 7330.0 C57
2021-01-29 22:24:06 S 07 52 32.498 +12 26 01.72 V C57