la Solidification sur eT en Orbite (MEPHISTO), sponsored by the French agency Centre National d'Études Spatiales (CNES); and Space Acceleration Measurement System (SAMS).

Secondary payloads: (1) Canadian experiment (CANEX-2), located in both the orbiter's cargo bay and middeck and which consisted of Space Vision System (SVS); Materials Exposure in Low-Earth Orbit (MELEO); Queen's University Experiment in Liquid-Metal Diffusion (QUELD); Phase Partitioning in Liquids (PARLIQ); Sun Photospectrometre Earth Atmosphere