Acronyms
- AR&C – Autonomous Rendezvous and Capture.
- DSO – Dynamic Space Operations.
- ECEF – Earth-Centered Earth-Fixed. Used for ground locations.
- ECI – Earth Central Inertial – uses for orbits, spacecraft trajectory.
- GGNS – Guidance, Navigation and Control System.
- GN&C – Guidance Navigation and Control.
- T&M – Telemetry and Monitoring.
- ISAM – In-space Servicing, Manufacturing, and Assembly.
- LVLH – Local Vertical Local Horizontal.
- OPS – Operational.
- PRM – Northrop Grumman’s Passive Refueling Module.
- RAFTI – Orbit Fab’s Rapidly Attachable Fluid Transfer Interface.
- RPOD – Rendezvous, Proximity Operations, Docking.
- SERB – Space System Command’s System Engineering Review Board.
- SSM – sustained space maneuver
- STM – Space Traffic Management.
- TACS – Target Vehicle Analysis Coordinate System. Coordinate system aligned with Target/client space craft. See IRSIS document.
- TLM – Telemetry.
- TT&C – Telemetry, Tracking and Command.
- AS – Approach Sphere around the target (~10 km → ~1 km in radius).
- KOS – Keep-Out Sphere (~100–200 m between target and chaser). Also called Keep-out Zone.
- REP – Rendezvous Entry Point (~10s km → ~10 km). Rendezvous operations begin at the Rendezvous Entry Point (REP).
- RS – Rendezvous Sphere.
IOR Project Related
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SO – Service Orbit.
- IOR – In-Orbit Refueling.
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SV – Service Vehicle, vehicle which delivers propellant.
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CS – Client Spacecraft, which requires the propellant to be delivered to.