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 2.246e-10 au
e 0.191472 3.748e-09
i 3.337 4.083e-07 deg
Ω 204.059 2.167e-05 deg
ω 126.691 2.105e-05 deg
M 78.289 2.75e-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   Apr 3 15:28
Correlation matrix
1.00000000-0.712724850.68670825-0.954396730.946209580.01589846
-0.712724851.00000000-0.430619370.65010495-0.59615392-0.48249427
0.68670825-0.430619371.00000000-0.671145710.72191214-0.56683818
-0.954396730.65010495-0.671145711.00000000-0.99507297-0.00897407
0.94620958-0.596153920.72191214-0.995072971.00000000-0.08973944
0.01589846-0.48249427-0.56683818-0.00897407-0.089739441.00000000
Covariance matrix
5.04270796E-20-5.99894254E-196.29661456E-17-4.64459008E-154.47329295E-159.81713468E-18
-5.99894254E-191.40488827E-17-6.59048525E-165.28069278E-14-4.70421742E-14-4.97291252E-15
6.29661456E-17-6.59048525E-161.66726973E-13-5.93890381E-126.20576556E-12-6.36443404E-13
-4.64459008E-155.28069278E-14-5.93890381E-124.69648647E-10-4.53993420E-10-5.34778237E-13
4.47329295E-15-4.70421742E-146.20576556E-12-4.53993420E-104.43216764E-10-5.19504361E-12
9.81713468E-18-4.97291252E-15-6.36443404E-13-5.34778237E-13-5.19504361E-127.56128368E-12





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