NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ Apophis ∴ Orbital info ∴ Epoch 54888 MJD
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(99942) Apophis  ▹ 
ORBITAL INFORMATION
(ASCII data file 99942.eq0)
Keplerian elements at epoch
54888.3 MJD
Value 1-σ variation Units
a 0.922436 9.097e-11 au
e 0.191212 2.643e-09
i 3.331 2.191e-07 deg
Ω 204.444 1.372e-05 deg
ω 126.401 1.348e-05 deg
M 353.2 1.847e-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 -0.00079 au
Desc. node-Earth separation -0.19976 au
Earth MOID 0.00023 au
Orbital period 323.596 days
Date of orbit computation   Feb 5 17:38
Correlation matrix
1.00000000-0.748253180.59979197-0.707103300.668521650.55378091
-0.748253181.00000000-0.425178120.60020481-0.52498045-0.88411382
0.59979197-0.425178121.00000000-0.960674370.97706401-0.03936404
-0.707103300.60020481-0.960674371.00000000-0.99572035-0.18415319
0.66852165-0.524980450.97706401-0.995720351.000000000.09282247
0.55378091-0.88411382-0.03936404-0.184153190.092822471.00000000
Covariance matrix
8.27612106E-21-1.79895822E-191.19564200E-17-8.82470211E-168.19905450E-169.30755010E-17
-1.79895822E-196.98422434E-18-2.46216466E-162.17601724E-14-1.87041123E-14-4.31669394E-15
1.19564200E-17-2.46216466E-164.80146981E-14-2.88779976E-122.88632343E-12-1.59356840E-14
-8.82470211E-162.17601724E-14-2.88779976E-121.88194767E-10-1.84151828E-10-4.66731379E-12
8.19905450E-16-1.87041123E-142.88632343E-12-1.84151828E-101.81748048E-102.31191576E-12
9.30755010E-17-4.31669394E-15-1.59356840E-14-4.66731379E-122.31191576E-123.41324901E-12





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