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ASTRA - AeroSpace TRAjectory optimizer

Optimizer and three degrees of freedom simulator together forms ASTRA

Launch, Reentry, and Satellites

Trajectory optimization and simulation of launch vehicles, re-entry vehicles, sounding rockets, and space planes. Optimize satellite mission like orbit transfer, deorbit, constellation.

Vehicle and Mission Design

Vehicle configuration design and trajectory optimization of ascent and re-entry missions. Also carry out propulsion and structural load analysis.

Space Missions

Launcher

Trajectory optimization for orbital and sub-orbital launches.

Satellites

Orbit transfer, deorbiting, and constellation management.

Missiles

Simulation for tactical and strategic missile trajectories.

Re-Entry

Modeling of high-speed atmospheric re-entry dynamics.

Interplanetary

Support for lunar and deep space mission analysis.

Human Space

Advanced planning for manned mission trajectories.

Mission Design and Planning

Configuration Design

Design configurations for launch vehicles, reentry vehicles, missiles, satellites, and projectiles.

Satellite Mission Planning

Plan missions for LEO, SSO, GSO, and GTO satellite deployments with precision targeting.

Manned Mission Scenarios

Support advanced manned mission profiles including rendezvous, docking, and return phases.

Constellation & Swarm Flying

Design and manage coordinated trajectories for satellite swarms and constellations.

Interplanetary & Lunar Missions

Plan mission phases for lunar transfers, interplanetary flybys, and orbit insertions.

Multi-Body Simulation

Simulate dynamics with multiple gravitational bodies and custom reference frames.

Mission Analysis

Visibility Analysis
Range Safety Analysis
Long-term & short-term orbit propagation
Monte Carlo analysis for probabilistic assessment
Collision & Conjunction Analysis
Proximity Operations & Mitigation strategies
Re-entry Safety & Risk Analysis

Optimization

Gradient based parameter and control optimization
Global hybrid optimization techniques
Mission-related objective functions & 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)
Wind
Rocket propulsion models
Aerodynamics
Numerical propagations
Various time bases (TT, TAI, UTC, GPS etc.)
Predefined Frames (J2000, ECEF, TOD, MOD)

Generic Characteristics

Supports direct JSON input or an auto-generating UI
Reload functionality of past saved missions
Event-driven sequence management
Auto-population of dependent parameters
CSV data import/export capabilities
Mission state persistence and reload functionality