NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ Apophis ∴ Orbital info ∴ Epoch 54956 MJD
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(99942) Apophis  ▹ 
ORBITAL INFORMATION
(ASCII data file 99942.eq0)
Keplerian elements at epoch
54956.7 MJD
Value 1-σ variation Units
a 0.922426 1.257e-10 au
e 0.191204 3.413e-09
i 3.331 3.298e-07 deg
Ω 204.444 2.112e-05 deg
ω 126.399 2.065e-05 deg
M 69.249 2.032e-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 -0.00068 au
Desc. node-Earth separation -0.1969 au
Earth MOID 0.0002 au
Orbital period 323.59 days
Date of orbit computation   Jun 28 16:13
Correlation matrix
1.00000000-0.848184730.78295995-0.844985830.823279670.57812185
-0.848184731.00000000-0.645831400.75109048-0.70759859-0.84634942
0.78295995-0.645831401.00000000-0.981097000.989265070.14447631
-0.844985830.75109048-0.981097001.00000000-0.99791868-0.30014246
0.82327967-0.707598590.98926507-0.997918681.000000000.23817022
0.57812185-0.846349420.14447631-0.300142460.238170221.00000000
Covariance matrix
1.57996198E-20-3.63890394E-193.24598741E-17-2.24273042E-152.13662949E-151.47683746E-16
-3.63890394E-191.16496707E-17-7.27042744E-165.41319180E-14-4.98657426E-14-5.87078973E-15
3.24598741E-17-7.27042744E-161.08784728E-13-6.83282417E-126.73682323E-129.68435326E-14
-2.24273042E-155.41319180E-14-6.83282417E-124.45870422E-10-4.35068852E-10-1.28801753E-11
2.13662949E-15-4.98657426E-146.73682323E-12-4.35068852E-104.26301656E-109.99392248E-12
1.47683746E-16-5.87078973E-159.68435326E-14-1.28801753E-119.99392248E-124.13028484E-12





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