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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2008HJ21 ∴ Orbital info ∴ Epoch epochXXX
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(418384) 2008HJ21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 418384.eq1)
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.54544 1.692e-08 au
e 0.198326 6.463e-08
i 4.677 4.392e-06 deg
Ω 132.21 9.622e-05 deg
ω 35.155 9.736e-05 deg
M 16.23 1.676e-05 deg
Other useful info
Absolute Magnitude (H)    17.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0406 au
Aphelion 3.0503 au
Asc. node-Earth separation 1.11935 au
Desc. node-Earth separation 1.90404 au
Earth MOID 1.0502 au
Orbital period 1483.34 days
Date of orbit computation  Jun 5 02:06
Correlation matrix
1.00000000-0.217350070.019493970.00499871-0.05295861-0.04457736
-0.217350071.00000000-0.042787770.007280230.09649518-0.60967239
0.01949397-0.042787771.000000000.24047933-0.243953490.04183513
0.004998710.007280230.240479331.00000000-0.98264308-0.01723133
-0.052958610.09649518-0.24395349-0.982643081.00000000-0.15435207
-0.04457736-0.609672390.04183513-0.01723133-0.154352071.00000000
Covariance matrix
2.86185117E-16-2.37634220E-161.44849374E-158.13678300E-15-8.72275678E-14-1.26390572E-14
-2.37634220E-164.17687390E-15-1.21461370E-144.52732629E-146.07190534E-13-6.60387818E-13
1.44849374E-15-1.21461370E-141.92923775E-111.01634655E-10-1.04326253E-103.07971740E-12
8.13678300E-154.52732629E-141.01634655E-109.25853748E-09-9.20578213E-09-2.77886153E-11
-8.72275678E-146.07190534E-13-1.04326253E-10-9.20578213E-099.47954285E-09-2.51873805E-10
-1.26390572E-14-6.60387818E-133.07971740E-12-2.77886153E-11-2.51873805E-102.80901259E-10