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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2008AR20 ∴ Orbital info ∴ Epoch epochXXX
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(312259) 2008AR20  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 312259.eq1)
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.65842 2.075e-08 au
e 0.105507 9.608e-08
i 5.059 1.05e-05 deg
Ω 333.52 6.497e-05 deg
ω 196.537 7.141e-05 deg
M 238.318 2.896e-05 deg
Other useful info
Absolute Magnitude (H)    17.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3779 au
Aphelion 2.9389 au
Asc. node-Earth separation 1.91464 au
Desc. node-Earth separation 1.3984 au
Earth MOID 1.38501 au
Orbital period 1583.2 days
Date of orbit computation  feb 22 02:56
Correlation matrix
1.00000000-0.03193404-0.00260001-0.005640770.01603453-0.26885311
-0.031934041.00000000-0.01198910-0.014183490.000037530.07748278
-0.00260001-0.011989101.000000000.22991596-0.217200200.01609545
-0.00564077-0.014183490.229915961.00000000-0.90111650-0.00665350
0.016034530.00003753-0.21720020-0.901116501.00000000-0.40804407
-0.268853110.077482780.01609545-0.00665350-0.408044071.00000000
Covariance matrix
4.30519305E-16-6.36629006E-17-5.66346691E-16-7.60402405E-152.37590729E-14-1.61568547E-13
-6.36629006E-179.23150564E-15-1.20929911E-14-8.85376413E-142.57538875E-162.15618931E-13
-5.66346691E-16-1.20929911E-141.10210259E-101.56815391E-10-1.62835134E-104.89395026E-12
-7.60402405E-15-8.85376413E-141.56815391E-104.22101692E-09-4.18086722E-09-1.25199940E-11
2.37590729E-142.57538875E-16-1.62835134E-10-4.18086722E-095.09980741E-09-8.43974640E-10
-1.61568547E-132.15618931E-134.89395026E-12-1.25199940E-11-8.43974640E-108.38862691E-10