some sources:

I'm primarily interested in the use of Linux on mission-critical processors, but I'll also list efforts to use Linux in supplementary roles aboard spacecraft.

linux on spacecraft

nameorganizationstatuslinux roledescription
TacSat-1Naval Research Laboratoryawaiting launch
JAESATa consortium of 3 Australian organizationsnever launched?
Space Technology 7
UPESATHacettepe U.???
UoSAT-12 (see FlightLinux under "research efforts")Surrey Satellite Technology Ltdlaunched April 1999an experimental mission used to demonstrate and test a number of new technologies
CHIPSatSpace Sciences Laboratorylaunched January 2003
STRVQinetiQ (DERA)
Remote ATV Control at the ISSEuropean Space Agency
Communication and Navigation Demonstration on Shuttle
BLUEsatU. of New South Walesunder development since November 1997
sounding rocketMontana State U.

research efforts

nameorganizationstatusdescription
FlightLinux (see UoSAT-12 under "linux on spacecraft")NASA Goddard Space Flight Centercompleted June 2002
Reconfigurable Scalable ComputingNASA Goddard, NASA Langley, U. of Queensland, Jefferson Lab.
Mars Rover Student ProjectU. of Michigan

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