C&DH: Functional Diagram

OFF

DIAGNOSTICS

LOW POWER

BAD

THERMAL

COMMAND &

DATAHANDLING

SCIENCE

MODE

DOWNLINK/

UPLINK

FORMATION

KEEPING

PROPULSION

FORMATION

MANEUVERING

SEPARATION FROM SHUTTLE

BATTERY NEEDS CHARGING

TEMP PROBLEMS

EVERYTHING OK !!

TIME FOR EARTH COMM.

ATTITUDE CONTROL

MAXIMISE SOLAR CHARGING

ROTATE AWAY FROM SUN

UPLINK INSTR

ATTITUDE CONTROL

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