| Acronym | Meaning |
 | IC | Index Catalog |
| EUTELSAT | European Telecommunications Satellite Organization |
| SMEX | Small EXplorers |
| RKA | Rossiskoye Kosmicheskoye Agentsvo |
| ATAL | Alternate Transoceanic Abort Landing |
| MOPITT | Measurements Of Pollution In The Troposphere |
| HR | Hertzsprung-Russell |
| ERS | Earth Resources Satellite |
| ATDRS | Advanced Tracking And Data Relay Satellite |
| USMP | United States Microgravity Payload |
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