SEDSat 1 (Students for the Exploration & Development of Space - Satellite) is an american microsatellite. It was to obtain images of the Earth and distribute them through the Internet from the University of Alabama in Huntsville. It also served as a relay for amateur radio communications.
The 34 kg satellite was built on a 32.13 cm × 32.13 cm × 35.43 cm structure. Originally it was to be deployed via a SEDS tether system (similar to SEDS 1, 2) from the Shuttle under the name SEDS-3, but due to concerns with using the tether system with the Shuttle, the mission was first redesigned for a tetherless deployment from the Shuttle and then for a deployment from a Delta stage 2.
SEDSat featured following equipment:
SEDSat 1 was launched as a piggy back payload mounted on stage 2 of a three stage Delta-7326 launch vehicle, which sent the Deep Space 1 (DS 1) space probe into a solar orbit. SEDSat 1 suffered from problems in the power system, causing both the imaging payloads and the amateur radio transponders never becoming operational. Only some telemetry was received. It was designed with a lifetime of five years, but was still semi operational in 2013.
|Type / Application:||Technology|
|Configuration:||32.13 cm × 32.13 cm × 35.43 cm structure|
|Power:||Solar cells, batteries|
|Lifetime:||5 years (design)|
|Orbit:||547 km × 1079 km, 31.4°|
|SEDSat (SO 33, OSCAR 33)||1998-061B||24.10.1998||CC SLC-17A||Delta-7326||with DS 1|