NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ Apophis ∴ Orbital info ∴ Epoch 58600 MJD
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(99942) Apophis  ▹ 
ORBITAL INFORMATION
(ASCII data file 99942.eq1)
Keplerian elements at epoch
58600.0 MJD
Value 1-σ variation Units
a 0.92252 2.222e-10 au
e 0.191466 3.415e-09
i 3.337 3.34e-07 deg
Ω 204.055 2.107e-05 deg
ω 126.681 2.062e-05 deg
M 163.222 1.756e-06 deg
Other useful info
Absolute Magnitude (H)    18.9 mag
Slope parameter (G)    0.15 mag
Perihelion 0.7459 au
Aphelion 1.0992 au
Asc. node-Earth separation 0.00056 au
Desc. node-Earth separation -0.19907 au
Earth MOID 0.00016 au
Orbital period 323.64 days
Date of orbit computation   May 25 11:16
Correlation matrix
1.00000000-0.771495610.93413832-0.961912880.95538080-0.21102354
-0.771495611.00000000-0.645498080.74821216-0.70456302-0.43391936
0.93413832-0.645498081.00000000-0.981899990.98981226-0.39685844
-0.961912880.74821216-0.981899991.00000000-0.997922970.25274354
0.95538080-0.704563020.98981226-0.997922971.00000000-0.31394432
-0.21102354-0.43391936-0.396858440.25274354-0.313944321.00000000
Covariance matrix
4.93939364E-20-5.85518312E-196.93404335E-17-4.50500570E-154.37923559E-15-8.23499424E-17
-5.85518312E-191.16611238E-17-7.36213367E-165.38415746E-14-4.96220876E-14-2.60180532E-15
6.93404335E-17-7.36213367E-161.11551930E-13-6.91080410E-126.81830392E-12-2.32739304E-13
-4.50500570E-155.38415746E-14-6.91080410E-124.44064004E-10-4.33715341E-109.35186897E-12
4.37923559E-15-4.96220876E-146.81830392E-12-4.33715341E-104.25373042E-10-1.13692857E-11
-8.23499424E-17-2.60180532E-15-2.32739304E-139.35186897E-12-1.13692857E-113.08312506E-12





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