From FreeSpace Wiki
- Distance from Sol: Unknown
- Type of System: Unknown
- Color: Unknown
- Right Ascension: Unknown
- Declination: Unknown
- 2335: Destruction of Tombaugh Station by the SD Lucifer, following the transport of a captured Shivan cruiser (SC Taranis) to the installation.
- Ribos has at least four planets, since "Debris from the station is still falling from orbit on Ribos 4." (Cbrief, FS1, SM2-01a)
- This may also indicate that Ribos 4 is, or was, inhabited.