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AstDyS ∴ Objects ∴ 1997AP4 ∴ Orbital info ∴ Epoch epochXXX
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(18546) 1997AP4  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 18546.eq0)
Keplerian elements at epoch
57390.0 MJD
Value 1-σ variation Units
a 2.42739 5.546e-09 au
e 0.150954 2.977e-08
i 1.512 3.443e-06 deg
Ω 198.369 0.0001021 deg
ω 309.766 0.0001026 deg
M 347.547 9.852e-06 deg
Other useful info
Absolute Magnitude (H)    14.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.061 au
Aphelion 2.7938 au
Asc. node-Earth separation 1.16129 au
Desc. node-Earth separation 1.62787 au
Earth MOID 1.07263 au
Orbital period 1381.36 days
Date of orbit computation  Jun 5 00:40
Correlation matrix
1.000000000.07592451-0.00106658-0.002937510.002229680.00535429
0.075924511.00000000-0.00141360-0.003098380.03234619-0.27781333
-0.00106658-0.001413601.00000000-0.134485230.13378109-0.00127088
-0.00293751-0.00309838-0.134485231.00000000-0.994685840.00027015
0.002229680.032346190.13378109-0.994685841.00000000-0.10090840
0.00535429-0.27781333-0.001270880.00027015-0.100908401.00000000
Covariance matrix
3.07595950E-171.25359337E-17-2.03687402E-17-1.66316193E-151.26928309E-152.92550865E-16
1.25359337E-178.86275563E-16-1.44907461E-16-9.41636239E-159.88400118E-14-8.14791554E-14
-2.03687402E-17-1.44907461E-161.18566027E-11-4.72736480E-114.72824627E-11-4.31115705E-14
-1.66316193E-15-9.41636239E-15-4.72736480E-111.04214654E-08-1.04225876E-082.71690143E-13
1.26928309E-159.88400118E-144.72824627E-11-1.04225876E-081.05353858E-08-1.02037916E-10
2.92550865E-16-8.14791554E-14-4.31115705E-142.71690143E-13-1.02037916E-109.70550419E-11