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STK/Astrogator is a specialized analysis module for interactive orbit maneuver and spacecraft trajectory design.
It supports an unlimited series of events for modeling and targeting a spacecraft’s trajectory, including
impulsive and finite burns and high-fidelity orbit propagation. Event triggers allow users to focus on overall
mission needs without having to perform off-line calculations to set up the problem. It offers tremendous
flexibility through the use of customized force models, engine models, and spacecraft attitude, along with the
ability to solve for and optimize solutions.
STK/Astrogator provides analysis of the entire trajectory, which can be used as the foundation for an overall
STK system analysis, including sensor coverage and constrained station visibility opportunities for quick, easy
analysis of the whole picture. Mission segments can be stored with STK scenarios and later edited as the
mission proceeds. During flight operations, a user can refine maneuver plans with flight-generated data—such
as engine-calibration parameters and actual initial orbits—to produce thruster firing and timing data for
command generation. Used with STK Professional Edition, STK/Astrogator generates dramatic 3-D representations of
space missions ranging from low-Earth orbit (LEO) to interplanetary trajectories.
STK/Astrogator Key Features
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- Leverages all STK functionality
- Visualization with STK Professional Edition
- Finite and impulsive burn modeling
- Targeted maneuver sequences
- Fuel-usage calculations
- Sophisticated event detection capability
- Deep-space mission design and analysis
- Industry-standard atmospheric density models—exponential, Harris-Priester, Jacchia 1971, Jacchia-Roberts, Cira 72, MSIS, US Standard
- Custom central bodies and force models
- High precision numerical integrators—Runge-Kutta-Fehlberg, Runge-Kutta-Verner, Burlisch-Stoer, Gauss-Jackson
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Desktop Applications
