An array to receive the cartesian position (x,y,z) and the velocity (xdot, ydot, zdot).

The position and velocity are expressed in Astronomical Unit (au) if unit contains CALCEPH_UNIT_AU.

The position and velocity are expressed in kilometers if unit contains CALCEPH_UNIT_KM.

The velocity, TT-TDB, TCG-TCB or the derivatives of the angles of the librations of the Moon are expressed in days if unit contains CALCEPH_UNIT_DAY.

The velocity, TT-TDB, TCG-TCB or the derivatives of the angles of the librations of the Moon are expressed in seconds if unit contains CALCEPH_UNIT_SEC.

The angles of the librations of the Moon are expressed in radians if unit contains CALCEPH_UNIT_RAD.

For example, to get the position and velocities expressed in kilometers and kilometers/seconds, the unit must be set to CALCEPH_UNIT_KM + CALCEPH_UNIT_SEC.