| Acronym | Meaning |
| LGA | Low Gain Antenna |
| TSUP | Tsentr Upravileniya Polyoti |
| DCCS | Dynamic Cell Culture System |
| AGB | Asymptotic Giant Branch |
| IOTA | International Occultation Timing Association |
| CGRO | Compton Gamma Ray Observatory |
| IAUC | IAU Circular |
| EROS | Earth Resources Observations System |
| RCT | Radiometric Calibration Target |
| LRB | Liquid Rocket Booster |