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AstDyS ∴ Objects ∴ 2009WE121 ∴ Orbital info ∴ Epoch epochXXX
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(462713) 2009WE121  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 462713.eq0)
Keplerian elements at epoch
57022.4 MJD
Value 1-σ variation Units
a 3.0844 4.97e-08 au
e 0.151335 1.111e-07
i 0.47 1.126e-05 deg
Ω 17.722 0.001366 deg
ω 74.823 0.001367 deg
M 316.905 4.933e-05 deg
Other useful info
Absolute Magnitude (H)    17.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6176 au
Aphelion 3.5512 au
Asc. node-Earth separation 1.90274 au
Desc. node-Earth separation 2.13535 au
Earth MOID 1.63405 au
Orbital period 1978.58 days
Date of orbit computation  apr 23 21:28
Correlation matrix
1.000000000.526100720.007156880.00978437-0.00486418-0.15919578
0.526100721.000000000.005441010.02048783-0.01637994-0.17151978
0.007156880.005441011.00000000-0.319405870.31937187-0.00135751
0.009784370.02048783-0.319405871.00000000-0.99910557-0.01351674
-0.00486418-0.016379940.31937187-0.999105571.00000000-0.02827968
-0.15919578-0.17151978-0.00135751-0.01351674-0.028279681.00000000
Covariance matrix
2.47022272E-152.90411429E-154.00422196E-156.64497511E-13-3.30426454E-13-3.90289426E-13
2.90411429E-151.23354077E-146.80272014E-153.10931823E-12-2.48648545E-12-9.39676027E-13
4.00422196E-156.80272014E-151.26722268E-10-4.91317146E-094.91382926E-09-7.53800958E-13
6.64497511E-133.10931823E-12-4.91317146E-091.86717539E-06-1.86595374E-06-9.11069948E-10
-3.30426454E-13-2.48648545E-124.91382926E-09-1.86595374E-061.86807311E-06-1.90659564E-09
-3.90289426E-13-9.39676027E-13-7.53800958E-13-9.11069948E-10-1.90659564E-092.43318060E-09