NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ Apophis ∴ Orbital info ∴ Epoch 58200 MJD
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(99942) Apophis  ▹ 
ORBITAL INFORMATION
(ASCII data file 99942.eq1)
Keplerian elements at epoch
58200.0 MJD
Value 1-σ variation Units
a 0.922587 2.222e-10 au
e 0.191472 3.416e-09
i 3.337 3.34e-07 deg
Ω 204.059 2.107e-05 deg
ω 126.691 2.062e-05 deg
M 78.289 1.729e-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 0.00069 au
Desc. node-Earth separation -0.1997 au
Earth MOID 0.0002 au
Orbital period 323.675 days
Date of orbit computation   Jun 28 16:13
Correlation matrix
1.00000000-0.769735200.93457049-0.961980700.95559989-0.12378983
-0.769735201.00000000-0.645130220.74790611-0.70423303-0.51267353
0.93457049-0.645130221.00000000-0.981897680.98981090-0.31627314
-0.961980700.74790611-0.981897681.00000000-0.997922820.16733918
0.95559989-0.704233030.98981090-0.997922821.00000000-0.23009536
-0.12378983-0.51267353-0.316273140.16733918-0.230095361.00000000
Covariance matrix
4.93936089E-20-5.84310806E-196.93694962E-17-4.50516722E-154.38010432E-15-4.75709601E-17
-5.84310806E-191.16663334E-17-7.35928591E-165.38298850E-14-4.96085538E-14-3.02781729E-15
6.93694962E-17-7.35928591E-161.11542967E-13-6.91029375E-126.81783229E-12-1.82643821E-13
-4.50516722E-155.38298850E-14-6.91029375E-124.44036178E-10-4.33689711E-106.09717120E-12
4.38010432E-15-4.96085538E-146.81783229E-12-4.33689711E-104.25349543E-10-8.20545035E-12
-4.75709601E-17-3.02781729E-15-1.82643821E-136.09717120E-12-8.20545035E-122.98980697E-12





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