Retrofittable Satellite Modules for In-Orbit Capability Upgrades
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Solution Overview
Problem
Satellite operations and design are costly and static, leading to outdated technology in orbit, limiting new business models and increasing collision risks due to inadequate space situational awareness, especially in geosynchronous orbits.
Innovation Solution
An in-orbit, retrofittable satellite system with enhancement modules that can add, modify, or extend satellite capabilities, including space situational awareness sensors, using a transfer vehicle to install modules on host satellites, forming a mesh network for improved collision avoidance and debris tracking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional satellite design and operation methods are used, then satellite lifespan is extended to cover asset depreciation, but technology in orbit significantly lags behind terrestrial capabilities
Solution Approach 1:
The satellite system is divided into modular components: a base satellite platform and separate enhancement modules. This segmentation allows the core satellite to remain in orbit for its full lifespan while capability modules can be independently updated or replaced, resolving the contradiction between maintaining long operational life and keeping technology current.
Solution Approach 2:
The system transitions from static satellite design to dynamic reconfigurability through in-orbit module attachment and detachment. Enhancement modules can be added or removed during operational lifetime based on mission requirements and technological advancements, enabling the satellite to adapt its capabilities without replacing the entire platform.
2Adaptability or versatility
If satellites are redesigned for new missions or technology, then new capabilities are achieved, but the process is costly and labor-intensive
Solution Approach 1:
A universal base satellite platform is designed with standardized interfaces and attachment mechanisms that can accommodate multiple types of enhancement modules. This universality allows a single platform to serve multiple missions and technologies by simply changing modules, eliminating the need for costly redesigns for each new capability.
Solution Approach 2:
Enhancement modules are designed as self-contained units that can be nested onto the base satellite platform. Each module is a complete functional unit with its own housing, interfaces, and subsystems, allowing it to be independently manufactured, tested, and attached without affecting the base satellite or other modules.
3Reliability
If satellites are designed with specific mission objectives, then mission performance is optimized, but the satellite cannot be easily serviced or repaired on-orbit
Solution Approach 1:
The satellite system separates critical mission functions into detachable enhancement modules that can be independently accessed, removed, or replaced. This segmentation enables on-orbit servicing where malfunctioning modules can be exchanged without affecting the base satellite or requiring complex repairs, significantly improving ease of repair while maintaining mission performance.
4Adaptability or versatility
If enhancement modules are added to satellites, then satellite capabilities are extended, but attachment mechanisms must be reliable in high-value orbits like GEO
Solution Approach 1:
Attachment mechanisms are pre-configured on both the base satellite and enhancement modules before launch. Standardized mechanical interfaces, alignment features, and locking mechanisms are built into the design from the outset, ensuring that when modules need to be attached or detached in orbit, the process can be performed reliably using predetermined procedures and hardware configurations.
Data Source
AI summary
Retrofittable satellite systems for an in-orbit host satellite comprising an enhancement module for adding a capability to the in-orbit host satellite, modifying the function of the in-orbit host satellite, and/or extending the function of the in-orbit host satellite. The in-orbit, retrofittable satellite system comprises a transfer vehicle for transferring the enhancement module from a first to a second location and a service vehicle for receiving the enhancement module from the transfer vehicle and installing the enhancement module on the in-orbit host satellite. In-orbit space situational awareness systems, comprising one or more in-orbit host satellites having one or more enhancement modules attached thereto, the enhancement modules comprising sensors such as satellite spatial location/position sensors, range sensors, navigation sensors, and/or proximity sensors for detecting other objects in-orbit, their location, speed, acceleration, orbital trajectory or the like, wherein the enhancement modules communicate to create a mesh network between the satellites. Clamps may be provided for attaching the enhancement module to an existing structural component of the in-orbit host satellite.