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Losat-X

Losat-X [Ball]

Losat-X (Low Altitude Satellite Experiment), built for SDIO, was to gather multi-spectral data on ground-launched rocket plumes and the space environment. It also was used for development and testing of other technologies (wide field-of-view star camera).

Originally planned to be launched with LACE and RME, Losat-X was delayed and finally launched with GPS-2A 2. The spacecraft was sidemounted on the second stage of the Delta-7925 launch vehicle and was spring-ejected after the deployment of the third stage.

Planned for a three-month lifetime, the main objectives were accomplished during the first day in orbit, but Losat-X was lost due to a failure in the command receiver after nine days.

Nation: USA
Type / Application: SDI Experiments
Operator: SDIO
Contractors: Ball Aerospace
Equipment: SDI multispectral-sensor payload; wide field-of-view star camera
Configuration: Quickstar Bus
Propulsion: ?
Power: Solar cells, batteries
Lifetime: 3 month planned, failed after nine days
Mass: 75 kg
Orbit: 405 km × 417 km; 40.0
Satellite COSPAR Date LS Launch Vehicle Remarks
Losat X 1991-047B 04.07.1991 CC LC-17A Delta-7925 with GPS-2A 2