Name
CL_op_rpvinf2ae — Periapsis radius and velocity at infinity to semi major axis and eccentricity (hyperbolic orbits)
Calling Sequence
[sma,ecc] = CL_op_rpvinf2ae(rp,vinf[,mu])
Description
-
Computes keplerian parameters semi major axis and eccentricity from
periapsis radius and velocity at infinity (only for hyperbolic orbits).
- Last update : 20/2/2008
Parameters
- rp:
periapsis radius [m] (1xN)
- vind:
velocity at infinity [rad] (1xN)
- mu :
(optionnal) geocentric gravitational constant [m^3/s^2] (default value is %CL_mu)
- sma:
semi major axis [m] (1xN)
- ecc:
eccentricity (1xN)
Examples
rp = 7078.e3;
vinf = 12.e3;
[sma,ecc] = CL_op_rpvinf2ae(rp,vinf)