SLA_DS2C6 - Spherical Pos/Vel to Cartesian   

ACTION:

Conversion of position & velocity in spherical coordinates to Cartesian coordinates (double precision).

CALL:

CALL sla_DS2C6 (A, B, R, AD, BD, RD, V)

GIVEN:

$$\alpha$$ A

$$\delta$$ B D

R D radial coordinate

AD D longitude derivative (radians per unit time)

BD D latitude derivative (radians per unit time)

RD D radial derivative

RETURNED:

$$[\,x,y,z,\dot{x},\dot{y},\dot{z}\,]$$ V