Follow segment properties that can be selected as control parameters for a Target Sequence.
| Member | Value | Description |
|---|---|---|
| eVAControlFollowFuelMass | 200 | Fuel Mass - the mass of the spacecraft propellant. Enter a value in the selected mass unit (e.g. kg). |
| eVAControlFollowCd | 201 | Drag Coefficient (Cd) - the dimensionless drag coefficient associated with the drag area. |
| eVAControlFollowCr | 202 | 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. |
| eVAControlFollowDragArea | 203 | 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. |
| eVAControlFollowDryMass | 204 | Dry Mass - the mass of the spacecraft exclusive of propellant. Enter a value in the selected mass unit (e.g. kg). |
| eVAControlFollowFuelDensity | 205 | 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). |
| eVAControlFollowK1 | 206 | GPS Solar Radiation Pressure K1 - if you are using a non-spherical SRP model, this field defines the model's K1 (scale) value. |
| eVAControlFollowK2 | 207 | GPS Solar Radiation Pressure K2 - if you are using a non-spherical SRP model, this field defines the model's K2 (Y bias) value. |
| eVAControlFollowRadiationPressureArea | 208 | 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. |
| eVAControlFollowCk | 209 | 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. |
| eVAControlFollowSRPArea | 210 | 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. |
| eVAControlFollowTankPressure | 211 | Tank Pressure - the fuel tank pressure. Enter a value in the selected pressure unit (e.g. Pa). |
| eVAControlFollowTankTemp | 212 | Tank Temperature - the temperature of the fuel tank. Enter a value in the selected temperature unit. |
| eVAControlFollowMaxFuelMass | 213 | 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. Enter a value in the selected mass unit (e.g. kg). |
| eVAControlFollowTankVolume | 214 | Tank Volume - the volume of the fuel tank. Enter a value in the selected distance unit cubed (e.g. m^3). The minimum value is 1e-019 m^3. |
| eVAControlFollowXOffset | 215 | X Offset - the distance that the spacecraft will be offset from the leader's body frame along the X axis. |
| eVAControlFollowYOffset | 216 | Y Offset - the distance that the spacecraft will be offset from the leader's body frame along the Y axis. |
| eVAControlFollowZOffset | 217 | Z Offset - the distance that the spacecraft will be offset from the leader's body frame along the Z axis. |





