Solid state telescopeMagnetic field measurementLangmuir probeFor communication backupGamma ray burst monitor
SNIPE, Scale magNetospheric and Ionospheric Plasma Experiment; CDHS, Command and Data Handling Subsystem; EPS, Electric Power System; AOCS, Attitude and Orbit Control Subsystem; COMS, Communication Subsystem; STS, Structure and Thermal Subsystem; PS, Propulsion Subsystem; OBC, On Board Computer; RWA, Reaction Wheel Assembly; MTQR, Magnetorquer; ST, Star Tracker; ASS, Analogue Sun Sensor.