NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ Apophis ∴ Orbital info ∴ Epoch 58400 MJD
Contact »
(99942) Apophis  ▹ 
ORBITAL INFORMATION
(ASCII data file 99942.eq1)
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 0.922559 2.221e-10 au
e 0.191457 3.415e-09
i 3.337 3.34e-07 deg
Ω 204.056 2.107e-05 deg
ω 126.679 2.062e-05 deg
M 300.761 1.741e-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 -0.00133 au
Desc. node-Earth separation -0.19898 au
Earth MOID 0.00039 au
Orbital period 323.66 days
Date of orbit computation   Feb 6 15:23
Correlation matrix
1.00000000-0.770699310.93433182-0.961940680.95547858-0.16771654
-0.770699311.00000000-0.645378610.74811041-0.70445015-0.47353055
0.93433182-0.645378611.00000000-0.981899650.98981244-0.35712428
-0.961940680.74811041-0.981899651.00000000-0.997922630.21046486
0.95547858-0.704450150.98981244-0.997922631.00000000-0.27250735
-0.16771654-0.47353055-0.357124280.21046486-0.272507351.00000000
Covariance matrix
4.93127748E-20-5.84433390E-196.92975202E-17-4.50137410E-154.37600057E-15-6.48309954E-17
-5.84433390E-191.16611307E-17-7.36074427E-165.38335631E-14-4.96132060E-14-2.81478627E-15
6.92975202E-17-7.36074427E-161.11551051E-13-6.91068399E-126.81814824E-12-2.07626748E-13
-4.50137410E-155.38335631E-14-6.91068399E-124.44052372E-10-4.33701239E-107.72011512E-12
4.37600057E-15-4.96132060E-146.81814824E-12-4.33701239E-104.25356811E-10-9.78322423E-12
-6.48309954E-17-2.81478627E-15-2.07626748E-137.72011512E-12-9.78322423E-123.03008057E-12





This Web Site has been visited 1202982 times since

and this Page has been visited 247 times since