ASTRA - AeroSpace TRAjectory optimizer
Optimizer and three degrees of freedom simulator together forms ASTRA
Trajectory optimization and simulation of launch vehicles, re-entry vehicles, sounding rockets, and space planes. Optimize satellite mission like orbit transfer, deorbit, constellation.
Trajectory optimization and simulation of launch vehicles, re-entry vehicles, sounding rockets, and space planes. Optimize satellite mission like orbit transfer, deorbit, constellation.
Vehicle configuration design and trajectory optimization of ascent and re-entry missions. Also carry out propulsion and structural load analysis.
Space Missions
- Launch vehicles
- Reentry vehicles
- Satellites
- Satellite constellations
Technical Tasks
- Preliminary/detailed vehicle design
- Feasibility studies
- Mission design
- Performance analysis
- System concept analysis and verification
Generic Characteristics
- Completely data driven modelling solution
- JSON-based configuration files
- Data export to CSV, MS-Excel, Mat file
Functionalities
- Multi-body simulation
- Control and parameter optimization
- Vehicle design optimization (MDO)
Optimization
- Gradient based parameter and control optimization for small to very large problems
- Global hybrid optimization techniques
- Vast library of mission related objective functions, boundary and path constraints
- Stage wise steering and sequence optimization
Model Libraries
- Gravity field (spherical & tesseral harmonics, J2)
- Planet model (Earth- WGS84, Moon, Mars)
- Atmosphere (NRLMSISE-00, JB2006, EMCD, Custom models)
- Wind
- Rocket propulsion models
- Aerodynamics
- Numerical propagations
- Various time bases (e.g., TT, TAI, UTC, GPS)
- Predefined Frames (J2000, ECEF, TOD, Mean of Date or Mean of Epoch)