GroundStateMsgPayload# struct GroundStateMsgPayload# Message that defines the inertial location of a groundLocation at the current time. Public Members double r_LN_N[3]# Position vector of the location w.r.t. the inertial origin in the inertial frame. double r_LP_N[3]# Position vector of the location with respect to the planet center in the inertial frame.