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Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998EP4 ∴ Orbital info ∴ Epoch 50842 MJD
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1998EP4  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 1998EP4.eq0)
Keplerian elements
(Epoch 50842.9 MJD)
Value 1-σ variation Units
a 1.55996 5.194e-07 au
e 0.440775 4.707e-07
i 7.206 5.955e-05 deg
Ω 353.141 5.402e-05 deg
ω 265.991 0.0001449 deg
M 300.901 5.969e-05 deg
Other useful info
Absolute Magnitude (H)    21.8 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.8724 au
Aphelion distance 2.2476 au
Asc. node-Earth separation 0.28969 au
Desc. node-Earth separation 0.22522 au
Earth MOID 0.06174 au
Orbital period 711.654 days
Date of orbit computation   feb 26 10:21

Covariance matrix
2.69801336E-13-2.36897444E-131.05126404E-111.98251831E-12-6.66967547E-112.46864814E-11
-2.36897444E-132.21601695E-13-1.28422174E-11-2.60249525E-125.73326642E-11-1.92603907E-11
1.05126404E-11-1.28422174E-113.54624435E-091.79331489E-09-2.00808928E-09-7.36657286E-10
1.98251831E-12-2.60249525E-121.79331489E-092.91869080E-09-2.82346456E-09-2.24457220E-10
-6.66967547E-115.73326642E-11-2.00808928E-09-2.82346456E-092.09830541E-08-7.51535123E-09
2.46864814E-11-1.92603907E-11-7.36657286E-10-2.24457220E-10-7.51535123E-093.56250559E-09

Correlation matrix
1.00000000-0.968839390.339864210.07064820-0.886437880.79626819
-0.968839391.00000000-0.45810934-0.102331510.84077780-0.68548945
0.33986421-0.458109341.000000000.55741440-0.23279001-0.20725422
0.07064820-0.102331510.557414401.00000000-0.36078955-0.06960842
-0.886437880.84077780-0.23279001-0.360789551.00000000-0.86923490
0.79626819-0.68548945-0.20725422-0.06960842-0.869234901.00000000