| español | spa-000 |
| Orbiting Astronomical Observatory | |
| Deutsch | deu-000 | Orbiting Astronomical Observatory 3 |
| English | eng-000 | Orbiting Astronomical Observatory |
| français | fra-000 | Orbiting Astronomical Observatory |
| magyar | hun-000 | Orbiting Astronomical Observatory |
| русский | rus-000 | Орбитальная астрономическая обсерватория |