NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ Apophis ∴ Orbital info ∴ Epoch 58000 MJD
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(99942) Apophis  ▹ 
ORBITAL INFORMATION
(ASCII data file 99942.eq1)
Keplerian elements at epoch
58000.0 MJD
Value 1-σ variation Units
a 0.922617 2.259e-10 au
e 0.191506 3.75e-09
i 3.337 4.085e-07 deg
Ω 204.06 2.168e-05 deg
ω 126.687 2.107e-05 deg
M 215.856 2.751e-06 deg
Other useful info
Absolute Magnitude (H)    18.9 mag
Slope parameter (G)    0.15 mag
Perihelion 0.7459 au
Aphelion 1.0993 au
Asc. node-Earth separation 0.00193 au
Desc. node-Earth separation -0.19864 au
Earth MOID 0.00056 au
Orbital period 323.691 days
Date of orbit computation   Jul 10 22:03
Correlation matrix
1.00000000-0.705052880.69585645-0.954586050.947944080.02998262
-0.705052881.00000000-0.430286760.65002210-0.59606108-0.50365358
0.69585645-0.430286761.00000000-0.671440600.72216176-0.54580903
-0.954586050.65002210-0.671440601.00000000-0.99507911-0.03724732
0.94794408-0.596061080.72216176-0.995079111.00000000-0.06155733
0.02998262-0.50365358-0.54580903-0.03724732-0.061557331.00000000
Covariance matrix
5.10500740E-20-5.97373165E-196.42306900E-17-4.67690353E-154.51175440E-151.86396059E-17
-5.97373165E-191.40621478E-17-6.59186876E-165.28565839E-14-4.70848447E-14-5.19668967E-15
6.42306900E-17-6.59186876E-161.66897366E-13-5.94808927E-126.21475160E-12-6.13528141E-13
-4.67690353E-155.28565839E-14-5.94808927E-124.70208287E-10-4.54534960E-10-2.22233353E-12
4.51175440E-15-4.70848447E-146.21475160E-12-4.54534960E-104.43740523E-10-3.56790554E-12
1.86396059E-17-5.19668967E-15-6.13528141E-13-2.22233353E-12-3.56790554E-127.57073519E-12





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