Name

CL_oe_cirEqua2kep — Circular equatorial adapted to keplerian orbital elements

Calling Sequence

   [kep[,jacob]]=CL_oe_cirEqua2kep(cir_equa)
   
   

Description

  • Given circular equatorial adapted parameters [a,ex,ey,ix,iy,omega+w+M], computes the keplerien parameters [a,e,i,w,omega,M].

    The transformation jacobian is optionally computed.

  • Last update : 27/6/2008

Parameters

cir_equa:

circular equatorial adapted parameters [a,ex,ey,ix,iy,omega+w+M] [m],[rad] (6xN)

kep:

keplerien parameters [a,e,i,w,omega,M] [m],[rad] (6xN)

jacob:

(optional) transformation jacobian d(a,e,i,w,omega,M)/d(a,ex,ey,ix,iy,omega+w+M) (6x6xN)

Bibliography

1 CNES - MSLIB FORTRAN 90, Volume V (mv_cir_equa_kep)

Authors

CNES - DCT/SB

See also

CL_oe_kep2cirEqua, CL_oe_cirEqua2car

Examples

// Example 1
cirequa = [42166.712;-7.900e-6;1.100e-4;1.200e-4;-1.16e-4;5.300];
[kep,jacob1]=CL_oe_cirEqua2kep(cirequa);
[cirequa2,jacob2]=CL_oe_kep2cirEqua(kep);