Space Traffic Management System for Collision Avoidance

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

There is no effective scheme for avoiding collisions between satellites whose orbit information is not disclosed and individual satellites in a mega-constellation group, as existing systems rely on public information, which is not available for such satellites, making real-time collision avoidance impossible.

Innovation Solution

A space traffic management system with secret communication lines and cryptographic keys connects space traffic management devices, collision avoidance assistance devices, and satellite constellation management devices, allowing for the recording and analysis of non-public orbit information and flight regions, enabling intrusion alerts and collision countermeasures.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If public information is used for collision avoidance, then system complexity is reduced and ease of operation is improved, but collision avoidance cannot be performed for satellites with non-disclosed orbit information

Engineering Contradiction:
Improveease of operationVSAvoidreliability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent introduces a secret communication line as an intermediary channel between the space object business device and collision avoidance assistance business device. This mediator enables the transmission of non-public orbit information without requiring public disclosure, thus maintaining operational security while enabling reliable collision avoidance for satellites with classified orbit data.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If non-public orbit information is transmitted, then collision avoidance reliability is improved, but communication security requirements increase and device complexity increases

Engineering Contradiction:
ImprovereliabilityVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent segments the communication infrastructure into two distinct channels: public communication lines for general information and secret communication lines for sensitive orbit data. This segmentation isolates the complexity of secure communication to specific components while keeping the overall system architecture modular and manageable.

Inventive Principle:
Principle #1Segmentation

3Loss of information

If secret communication lines are established, then information security is improved, but device complexity and communication infrastructure complexity increase

Engineering Contradiction:
Improveinformation securityVSAvoiddevice complexity
Core Design Contradiction:
Loss of informationVSDevice complexity

Solution Approach 1:

The patent applies local quality by implementing cryptographic protection and secret communication protocols only where necessary - specifically in the communication path between devices handling non-public orbit information. This localized approach to security enhances information protection while avoiding the need to complicate the entire system infrastructure.

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS12195208B2Space traffic management system, space traffic management device, space traffic management method, collision avoidance assistance business device, mega-constellation business device, space object business device, space situational awareness business device, and OADR
Publication Date: 2025.01.14 MITSUBISHI ELECTRIC CORP
  • US12195208B2 patent drawing
  • US12195208B2 patent drawing
  • US12195208B2 patent drawing

AI summary

An orbit analysis unit (431) of a collision avoidance assistance business device analyzes an orbit of a specific space object. When it is foreseen that the specific space object will intrude into an orbital altitude region where a satellite group of a satellite constellation flies, a notification unit (432) of the collision avoidance assistance business device notifies a satellite constellation business operator of an intrusion alert and non-public orbit information of the specific space object via a communication line that is kept secret. A collision analysis unit (411) of a satellite constellation business device analyzes a collision between the specific space object and an individual satellite in the satellite group of the satellite constellation. A countermeasure planning unit (412) of the satellite constellation business device plans a collision avoidance countermeasure when a collision is foreseen.