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NEODyS ∴ Objects ∴ Apophis ∴ Orbital info ∴ Epoch 59000 MJD
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(99942) Apophis  ▹ 
ORBITAL INFORMATION
(ASCII data file 99942.eq1)
Keplerian elements
(Epoch 59000.0 MJD)
Value 1-σ variation Units
a 0.922571 2.761e-10 au
e 0.191475 4.34e-09
i 3.337 5.017e-07 deg
Ω 204.048 2.729e-05 deg
ω 126.687 2.653e-05 deg
M 248.148 3.067e-06 deg
Other useful info
Absolute Magnitude (H)    18.9 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.7459 au
Aphelion distance 1.0992 au
Asc. node-Earth separation 0.00031 au
Desc. node-Earth separation -0.19832 au
Earth MOID 9e-05 au
Orbital period 323.667 days
Date of orbit computation   Feb 26 20:24

Covariance matrix
7.62510997E-20-9.46759401E-191.02868023E-16-7.31421282E-157.06105504E-15-1.14823503E-16
-9.46759401E-191.88332063E-17-1.13776093E-158.77750278E-14-8.05935522E-14-3.87356881E-15
1.02868023E-16-1.13776093E-152.51699172E-13-1.01109202E-111.03963728E-11-1.00588279E-12
-7.31421282E-158.77750278E-14-1.01109202E-117.44627004E-10-7.21239576E-101.24295520E-11
7.06105504E-15-8.05935522E-141.03963728E-11-7.21239576E-107.03855374E-10-1.89499599E-11
-1.14823503E-16-3.87356881E-15-1.00588279E-121.24295520E-11-1.89499599E-119.40707268E-12

Correlation matrix
1.00000000-0.790049750.74253417-0.970677910.96383973-0.13557527
-0.790049751.00000000-0.522574230.74120690-0.69999744-0.29101937
0.74253417-0.522574231.00000000-0.738550840.78108669-0.65370113
-0.970677910.74120690-0.738550841.00000000-0.996250250.14851107
0.96383973-0.699997440.78108669-0.996250251.00000000-0.23288383
-0.13557527-0.29101937-0.653701130.14851107-0.232883831.00000000