NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ Apophis ∴ Orbital info ∴ Epoch 54889 MJD
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(99942) Apophis  ▹ 
ORBITAL INFORMATION
(ASCII data file 99942.eq0)
Keplerian elements at epoch
54889.5 MJD
Value 1-σ variation Units
a 0.922436 9.493e-11 au
e 0.191212 2.958e-09
i 3.331 2.868e-07 deg
Ω 204.444 1.449e-05 deg
ω 126.401 1.409e-05 deg
M 354.588 2.517e-06 deg
Other useful info
Absolute Magnitude (H)    18.9 mag
Slope parameter (G)    0.15 mag
Perihelion 0.7461 au
Aphelion 1.0988 au
Asc. node-Earth separation -0.0007 au
Desc. node-Earth separation -0.19968 au
Earth MOID 0.0002 au
Orbital period 323.596 days
Date of orbit computation   Dec 7 14:46
Correlation matrix
1.00000000-0.748774110.37183269-0.635775180.587877880.54171549
-0.748774111.00000000-0.304316290.44731648-0.36953613-0.72409626
0.37183269-0.304316291.00000000-0.512325130.57563853-0.38889292
-0.635775180.44731648-0.512325131.00000000-0.99258209-0.24398866
0.58787788-0.369536130.57563853-0.992582091.000000000.12455740
0.54171549-0.72409626-0.38889292-0.243988660.124557401.00000000
Covariance matrix
9.01153536E-21-2.10279457E-191.01217089E-17-8.74550533E-167.86260146E-161.29454300E-16
-2.10279457E-198.75171689E-18-2.58153913E-161.91753577E-14-1.54022185E-14-5.39248275E-15
1.01217089E-17-2.58153913E-168.22268698E-14-2.12879816E-122.32560783E-12-2.80726072E-13
-8.74550533E-161.91753577E-14-2.12879816E-122.09973212E-10-2.02641376E-10-8.90015204E-12
7.86260146E-16-1.54022185E-142.32560783E-12-2.02641376E-101.98499533E-104.41768857E-12
1.29454300E-16-5.39248275E-15-2.80726072E-13-8.90015204E-124.41768857E-126.33711611E-12





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