gnc

Plan and optimize spacecraft GNC/ADCS architectures with pointing budgets.

17|Updated Feb 16, 2026
One-click install
npx skills add https://github.com/devideamax/aerospace-team --skill gnc
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: gnc
Source: https://github.com/devideamax/aerospace-team/tree/main/skills/gnc
Command: npx skills add https://github.com/devideamax/aerospace-team --skill gnc

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Expert spacecraft guidance, navigation and control (GNC) / attitude determination and control systems (ADCS) analysis — sensor selection, actuator sizing, pointing budgets, disturbance torque analysis, control mode design, and momentum management. Use when designing ADCS architectures, selecting star trackers or reaction wheels, calculating gravity gradient torques, building pointing error budgets, or evaluating slew performance.

Core Features & Use Cases

  • Role-based analysis and architecture design for GNC/ADCS systems
  • Sensor/actuator sizing, disturbance torque analysis, and control law selection
  • End-to-end ADCS workflow support across LEO through deep-space missions

Quick Start

Trigger with a spacecraft geometry and pointing requirement to obtain a complete ADCS plan

Frequently Asked Questions about gnc

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I size reaction wheels and select sensors for a spacecraft ADCS architecture?

Spacecraft ADCS architecture sizing evaluates pointing requirements and disturbance torques to select appropriate reaction wheels and sensors. The analysis outputs component selection options and control laws tailored to your specific mission geometry.

What is the best way to calculate gravity gradient torques and build a pointing error budget for LEO missions?

Pointing error budgets for LEO missions are built by calculating gravity gradient disturbance torques against your spacecraft geometry. This analysis produces robust pointing budgets with clear performance margins for your specific orbit.

How does disturbance torque analysis work for deep-space spacecraft control system design?

Disturbance torque analysis for deep-space control system design evaluates environmental torques against your spacecraft geometry to determine actuator sizing needs. It outputs momentum management strategies and control mode designs robust to mission disturbances.

Can I use this ADCS analysis for GEO missions and evaluating slew performance?

Yes, ADCS analysis supports GEO missions by evaluating slew performance against pointing requirements. It provides control law options and actuator sizing outputs applicable across LEO, GEO, and deep-space mission profiles.

How do I plan a complete GNC architecture starting from spacecraft geometry and pointing requirements?

Complete GNC architecture planning triggers when you input spacecraft geometry and pointing requirements. It outputs a comprehensive ADCS plan including sensor selection, actuator sizing, control modes, and momentum management options.

When do I need star tracker selection and momentum management for attitude determination and control?

Star tracker selection and momentum management are needed when designing ADCS architectures that require precise attitude determination. The analysis outputs sensor selection and momentum management strategies based on your pointing budget margins.