Description
Update segment properties that can be selected as control parameters for a Target Sequence.
Members
| Member | Value | Description |
|---|---|---|
| eVAControlUpdateCdVal | 100 | Drag Coefficient (Cd) - the dimensionless drag coefficient associated with the drag area. |
| eVAControlUpdateCrVal | 101 | 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. |
| eVAControlUpdateDragAreaVal | 102 | Drag Area - the cross-sectional area of the spacecraft assumed perpendicular to the direction of motion, used for atmospheric drag calculations. Enter a value in the selected distance unit squared. |
| eVAControlUpdateDryMassVal | 103 | Dry Mass - the mass of the spacecraft exclusive of propellant. Enter a value in the selected mass unit (e.g. kg). |
| eVAControlUpdateFuelDensityVal | 104 | Fuel Density - the density of the fuel tank. Enter a value in the selected mass unit per the selected distance unit cubed (e.g. kg/m^3). |
| eVAControlUpdateFuelMassVal | 105 | Fuel Mass - the mass of the spacecraft propellant. Enter a value in the selected mass unit (e.g. kg). |
| eVAControlUpdateRadiationPressureAreaVal | 106 | 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. Enter a value in the selected distance unit squared. |
| eVAControlUpdateRadiationPressureCoefficientVal | 107 | 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. |
| eVAControlUpdateSRPAreaVal | 108 | 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. Enter a value in the selected distance unit squared. |
| eVAControlUpdateTankPressureVal | 109 | Tank Pressure - the fuel tank pressure. Enter a value in the selected pressure unit (e.g. Pa). |
| eVAControlUpdateTankTempVal | 110 | Tank Temperature - the temperature of the fuel tank. Enter a value in the selected temperature unit. |