The Italian Research Interim Stage (IRIS) is described. It consists of a Shuttle upper stage system designed to inject light payloads up to 900 kg mass from the Shuttle circular parking orbit into a geostationary transfer orbit. A summary of the information included in the IRIS user's manual provides users with the necessary performance data, environment and interfaces for their payloads. A review of the status of the project is presented. The first flight unit will be launched in Aug. 1991.
IRIS System and Future Application to Expandable Launchers
1989
9 pages
Report
No indication
English
Space Launch Vehicles & Support Equipment , Expendable stages (Spacecraft) , Iris satellites , Launch vehicles , Payload control , Transfer orbits , Geosynchronous orbits , Italian space program , Mission planning , Parking orbits , Space shuttle payloads , Space transportation system , Foreign technology
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