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2.4 Auto-IOS (In-Orbit Servicing) Logical Architecture

Document/Purpose Traceability (Upstream /Downstream) Documents Upstream: Downstream: Status pre-DRAFT Baseline Version/Date | Current Version Not yet established | v0.1 01 Sep 2026 Last Updated  18 Sep 2026 Owner / Lead  Sanjay Chadha Contributors Reviewers Scope/Out-Of-Scope Scope: Out-of-Scope:   Auto-IOS (In-Orbit Servicing)… 

2.3 Auto-IOS CONOPS

Document/Purpose Defines the operational concept of the AUTO-IOS mission including mission context, actors, operational contexts, system actors, their interactions, and OPCON stages. Traceability (Upstream /Downstream) Documents Upstream: Mission Context, Stakeholder Requirements Downstream: Mission Requirements (note), System Requirements Status DRAFT Baseline… 

2.2 Auto-IOS: Mission and Stakeholder Requirements

Document/Purpose Mission requirements, users and stakeholders needs and documents their needs/requirements to enable an autonomous IOS system. Reference: https://sebokwiki.org/wiki/Stakeholder_Needs_and_Requirements_(glossary) Traceability (Upstream /Downstream) Documents Upstream: Mission Context Downstream: Mission Requirements, CONOPS Status DRAFT Baseline Version/Date | Current Version Not yet established… 

2.1 Auto-IOS: Mission Business Analysis

Document/Purpose Mission Business Analysis for Automated In-Orbit Servicing Traceability (Upstream /Downstream) Documents  Upstream: None   Downstream: Mission Context, Stakeholder Needs, Mission Requirements Status DRAFT Baseline Version/Date | Current Version Not yet established | v0.1 01 Sep 2026 Last Updated  14 Sep… 

2.0 AUTONOMOUS IOS (In-Orbit Servicing)

This document extends IOR Systems Engineering to create and support AUTONOMOUS IOS behavior, hence the extension is in two parts supporting In-Orbit Servicing other than IOR and delivering In-Orbit Servicing autonomously.  

In-Orbit Refueling Ecosystem

1 IOR Ecosystem Objective 1.1 Assumptions 2 Business of IOR 2.1 In-Orbit Refueling vs Refueling a Car 2.2 Benefits of Interoperability in IOR 2.3 Space In-Orbit Refueling Market – Financial projections 3 IOR Refueling Technologies 3.1 In-Orbit Refueling Core Technologies… 

3.0 Interface Documents

1.2.1 Interface Requirements Documents 1.2.1.1 Inter-Spacecraft Interfaces  

1.9.5 Space Technical Knowledge

Propellants Electric Propulsion Propellants (Noble Gases) Primary propellants: Xenon Krypton Why? Used by almost all modern LEO constellations Increasingly used in GEO satellites Very high efficiency (high Isp) Ideal for orbit raising + station keeping Compatible with all-electric satellite platforms… 

1.9.4: Terms & Conditions, Timeline and License

Terms and Conditions Project Artifacts & Structure: Confluence and Jira are the source of truth. Web pages manage the review process. Contributor: Two contributors assist in Confluence/Jira updates based on their systems engineering and space project experience, and based on…