Launch segment properties that can be selected as control parameters for a Target Sequence.

Member	Value	Description
eVAControlLaunchEpoch	500	The date and time of the launch.
eVAControlLaunchGeodeticLat	501	The geodetic latitude of the launch location.
eVAControlLaunchGeodeticLon	502	The geodetic longitude of the launch location.
eVAControlLaunchGeodeticAlt	503	The geodetic altitude of the launch location.
eVAControlLaunchGeocentricLat	504	The geocentric latitude of the launch location.
eVAControlLaunchGeocentricLon	505	The geocentric longitude of the launch location.
eVAControlLaunchGeocentricRad	506	The geocentric radius of the launch location.
eVAControlLaunchTimeOfFlight	507	The time of flight, from launch until burnout.
eVAControlLaunchBurnoutGeocentricLat	508	The geocentric latitude of the burnout point.
eVAControlLaunchBurnoutGeocentricLon	509	The geocentric longitude of the burnout point.
eVAControlLaunchBurnoutGeocentricRad	510	The geocentric radius of the burnout point.
eVAControlLaunchBurnoutGeodeticLat	511	The geodetic latitude of the burnout point.
eVAControlLaunchBurnoutGeodeticLon	512	The geodetic longitude of the burnout point.
eVAControlLaunchBurnoutGeodeticAlt	513	The geodetic altitude of the burnout point.
eVAControlLaunchBurnoutAzAltAz	514	The geodetic azimuth of the launch trajectory.
eVAControlLaunchBurnoutAzAltDownrangeDist	515	The geodetic downrange distance of the burnout point.
eVAControlLaunchBurnoutAzAltAlt	516	The geodetic altitude of the burnout point.
eVAControlLaunchBurnoutAzRadAz	517	The geocentric azimuth of the launch trajectory.
eVAControlLaunchBurnoutAzRadDownrangeDist	518	The geocentric downrange distnce of the burnout point.
eVAControlLaunchBurnoutAzRadRad	519	The geocentric radius of the burnout point.
eVAControlLaunchBurnoutFixedVelocity	520	The burnout velocity in the fixed frame.
eVAControlLaunchBurnoutInertialVelocity	521	The burnout velocity in the inertial frame.
eVAControlLaunchBurnoutInertialVelocityAzimuth	522	Inertial Velocity Azimuth - the angle from the projection of north in the local horizontal plane to the inertial velocity vector, right handed.
eVAControlLaunchBurnoutInertialHorizontalFPA	523	Inertial Horizontal FPA - the angle from the local horizontal to the inertial velocity vector, positive towards radius. It is also 90 degrees minus vertical flight path angle.
eVAControlLaunchDryMass	524	Dry Mass - the mass of the spacecraft exclusive of propellant.
eVAControlLaunchCd	525	Drag Coefficient (Cd) - the dimensionless drag coefficient associated with the drag area.
eVAControlLaunchDragArea	526	Drag Area - the cross-sectional area of the spacecraft assumed perpendicular to the direction of motion, used for atmospheric drag calculations.
eVAControlLaunchCr	527	Solar Radiation Pressure (Spherical) Coefficient (Cr) - the reflectivity of the spacecraft used for solar radiation pressure calculations, where 2.0 is fully reflective and 1.0 is not reflective at all.
eVAControlLaunchSRPArea	528	Solar Radiation Pressure (Spherical) Area - the cross-sectional area of the spacecraft assumed perpendicular to the direction of solar radiation, used for solar radiation calculations.
eVAControlLaunchCk	529	Radiation Pressure (Albedo/Thermal) Coefficient (Ck) - the reflectivity of the spacecraft used for central body radiation pressure (albedo / thermal pressure) calculations, where 2.0 is fully reflective and 1.0 is not reflective at all.
eVAControlLaunchRadiationPressureArea	530	Radiation Pressure (Albedo/Thermal) Area - the cross-sectional area of the spacecraft assumed perpendicular to the direction of central body radiation, used for central body radiation (albedo / thermal pressure) calculations.
eVAControlLaunchK1	531	GPS Solar Radiation Pressure K1 - if you are using a non-spherical SRP model, this field defines the model's K1 (scale) value.
eVAControlLaunchK2	532	GPS Solar Radiation Pressure K2 - if you are using a non-spherical SRP model, this field defines the model's K2 (scale) value.
eVAControlLaunchTankPressure	533	The fuel tank pressure.
eVAControlLaunchTankVolume	534	The volume of the fuel tank.
eVAControlLaunchTankTemp	535	The fuel tank temperature.
eVAControlLaunchFuelDensity	536	The density of the fuel tank.
eVAControlLaunchFuelMass	537	The mass of the spacecraft propellant.
eVAControlLaunchMaxFuelMass	538	Maximum Fuel Mass - the maximum fuel mass of the spacecraft; this parameter specifically applies to Finite Maneuver segments that are being executed in Backward Sequences.