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AstDyS ∴ Objects ∴ 1997AP4 ∴ Orbital info ∴ Epoch epochXXX
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(18546) 1997AP4  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 18546.eq1)
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.42758 5.578e-09 au
e 0.150126 2.985e-08
i 1.519 3.45e-06 deg
Ω 198.107 0.0001013 deg
ω 310.902 0.0001019 deg
M 50.865 1.031e-05 deg
Other useful info
Absolute Magnitude (H)    14.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0631 au
Aphelion 2.792 au
Asc. node-Earth separation 1.15948 au
Desc. node-Earth separation 1.63369 au
Earth MOID 1.07521 au
Orbital period 1381.53 days
Date of orbit computation  Jun 5 00:40
Correlation matrix
1.000000000.07677699-0.00314875-0.00109962-0.00404546-0.21902038
0.076776991.00000000-0.00121009-0.003303130.03480002-0.31001076
-0.00314875-0.001210091.00000000-0.132859980.132029240.00057128
-0.00109962-0.00330313-0.132859981.00000000-0.994520230.00202595
-0.004045460.034800020.13202924-0.994520231.00000000-0.10058914
-0.21902038-0.310010760.000571280.00202595-0.100589141.00000000
Covariance matrix
3.11146929E-171.27853368E-17-6.05929533E-17-6.21653042E-16-2.30008025E-15-1.25992268E-14
1.27853368E-178.91244185E-16-1.24628387E-16-9.99414488E-151.05893680E-13-9.54446797E-14
-6.05929533E-17-1.24628387E-161.19015424E-11-4.64533393E-114.64262812E-112.03249219E-14
-6.21653042E-16-9.99414488E-15-4.64533393E-111.02716983E-08-1.02737007E-082.11751506E-12
-2.30008025E-151.05893680E-134.64262812E-11-1.02737007E-081.03892528E-08-1.05735260E-10
-1.25992268E-14-9.54446797E-142.03249219E-142.11751506E-12-1.05735260E-101.06353847E-10