Speaker
Description
The growing demand for automated and autonomous operations in space is reshaping the Low Earth Orbit (LEO) environment, particularly through applications that exploit Close‑Proximity Operations (CPO) and In‑Orbit Servicing (IOS). The ESA Space Rider System (SRS) is a versatile, reusable, uncrewed platform designed to support a broad range of mission classes and payload needs. These include in‑orbit demonstration and validation (IOD/IOV) of technologies related to Clean Space applications and, importantly, the system’s evolution into a cooperative platform capable of supporting scenarios involving proximity operations, inspection, payload handover, and berthing, thereby enabling a comprehensive spectrum of IOS applications.
The results presented form part of an internal ESA study on SRS interoperability features, highlighting technical guidelines, operational scenarios, and interface requirements that enable the integration of both institutional and commercial payloads within servicing missions. The study characterizes Space Rider’s current capabilities and potential evolution paths, providing foundational close‑proximity and IOS guidelines. These include definitions of proximity zones, permitted approach corridors, clearance envelopes, mechanical and power/data interfaces, and safety‑critical GO/NO‑GO decision logic. The document also describes berthing and docking concepts, capture interface locations, and constraints related to plume impingement, reaction wheel desaturation, and ground‑visibility requirements.
The study provides the baseline guidance for future in‑orbit collaboration with Space Rider. Based on the information presented, potential customers or in‑space partners can identify research or commercial use‑cases that exploit the unique capabilities offered by the system. Furthermore, Space Rider’s distinctive characteristics position it as one of Europe’s reference technologies for sustainable access to LEO, thanks to its inherent ability to safely return payloads to Earth, perform a non‑destructive re‑entry and soft landing, and undergo refurbishment to achieve a reusability objective of up to six missions.
In conclusion, we can state that the study’s outcomes contribute to ESA’s broader objective of supporting a sustainable, clean, institutional and commercially viable ecosystem for in‑orbit services.