| Acronym | Meaning |
| AIAA | American Institute Of Aeronautics And Astronautics |
| BFC | Backup Flight Computer |
| HRPT | High Resolution Picture Transmission |
| VMS | Vertical Motion Simulator |
| RA | Right Ascension |
| IOTA | International Occultation Timing Association |
| IC | Index Catalog |
| WMO | World Meterological Organisation |
| ESOC | European Space Operations Centre |
| PAM-D | Payload Assist Module |