VelAltFpaToHAE:

Path: Orbit/OrbitCoord

```% Compute (VF,gammaF) at hF from (V0,gamma0) at h0.
Given the initial velocity, altitude and flight path angle, compute the
angular momentum, semi-major axis and eccentricity, as well as velocity and
flight path angle at a second altitude.
--------------------------------------------------------------------------
Form:
[H,a,e,V2,fpa2] = VelAltFpaToHAE( V, h, fpa, h2, mu, R )
--------------------------------------------------------------------------

------
Inputs
------
V             (1,1)    Velocity magnitude                       (km/s)
h             (1,1)    Altitude                                 (km)
fpa           (1,1)    Flight path angle                        (rad)
h2            (1,1)    Second altitude to compute V2,fpa2 for   (rad)

-------
Outputs
-------
H             (1,1)    Angular momentum                 (km^2/s)
a             (1,1)    Semi-major axis                  (km)
e             (1,1)    Eccentricity
V2            (1,1)    Velocity at altitude h2          (km/s)
fpa2          (1,1)    Flight path angle at altitude h2 (rad)

--------------------------------------------------------------------------
```

Children:

```Common: Database/Constant
```

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