Description
Launch segment properties that can be selected as control parameters for a Target Sequence.
Members
| 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 distance 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. |