AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001OA21 ∴ Orbital info ∴ Epoch epochXXX
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(54855) 2001OA21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 54855.eq0)
Keplerian elements at epoch
58029.6 MJD
Value 1-σ variation Units
a 3.1969 1.763e-08 au
e 0.207443 4.313e-08
i 14.813 3.863e-06 deg
Ω 340.224 1.629e-05 deg
ω 87.457 2.065e-05 deg
M 237.705 1.011e-05 deg
Other useful info
Absolute Magnitude (H)    13.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5337 au
Aphelion 3.8601 au
Asc. node-Earth separation 2.02268 au
Desc. node-Earth separation 2.0985 au
Earth MOID 1.60023 au
Orbital period 2087.82 days
Date of orbit computation  Jun 5 00:48
Correlation matrix
1.000000000.31774287-0.012170590.00360580-0.122934820.15087958
0.317742871.00000000-0.06508205-0.01790408-0.143778240.09845798
-0.01217059-0.065082051.00000000-0.237178030.167910150.02832371
0.00360580-0.01790408-0.237178031.00000000-0.75093001-0.00996644
-0.12293482-0.143778240.16791015-0.750930011.00000000-0.63145286
0.150879580.098457980.02832371-0.00996644-0.631452861.00000000
Covariance matrix
3.10796097E-162.41603566E-16-8.28847461E-161.03526058E-15-4.47525643E-142.68981437E-14
2.41603566E-161.86028502E-15-1.08436704E-14-1.25762918E-14-1.28052525E-134.29432331E-14
-8.28847461E-16-1.08436704E-141.49228140E-11-1.49214341E-111.33939159E-111.10644419E-12
1.03526058E-15-1.25762918E-14-1.49214341E-112.65229298E-10-2.52531439E-10-1.64136362E-12
-4.47525643E-14-1.28052525E-131.33939159E-11-2.52531439E-104.26393410E-10-1.31856103E-10
2.68981437E-144.29432331E-141.10644419E-12-1.64136362E-12-1.31856103E-101.02260547E-10