Trajectory Optimization for Missions to Small Bodies with a Focus on Scientific Merit

Area of Science:

• Aerospace Engineering
• Planetary Science
• Mission Design

Background:

• Trajectory optimization for small body missions traditionally focuses on pre-selected targets and spacecraft parameters.
• Recent advancements include multidisciplinary systems optimization incorporating spacecraft hardware.
• Integrating scientific value into target selection remains a critical next step.

Purpose of the Study:

• To present a novel technique for multidisciplinary mission optimization for small bodies.
• To incorporate classical trajectory design, spacecraft power and propulsion systems, and scientific target value into a unified optimization framework.
• To enable a holistic approach to small body mission design.

Main Methods:

• Developed a new multidisciplinary optimization technique.
• Integrated trajectory design, spacecraft system selection (power, propulsion), and scientific value assessment.
• Utilized modern parallel computing for enhanced computational efficiency.

Main Results:

• Demonstrated a technique that holistically optimizes small body missions.
• Enabled simultaneous consideration of engineering and scientific objectives.
• Reduced the need for iterative, siloed design processes.

Conclusions:

• The presented technique offers a comprehensive solution for small body mission design.
• Integrating scientific value alongside engineering parameters leads to more effective mission planning.
• This approach facilitates a more efficient and informed selection of targets and mission architectures.