Thasus IV
Thasus IV was the fourth planet in its star system.

Thasus IV appeared in a star chart Data and Picard studied in Stellar Cartography in 2371. (, display graphic)

See also 
 Thasus

Appendices

Background information

Apocrypha 
According to the FASA source book The Federation, Thasus IV was the homeworld of the Thasians (and thus synonymous with Thasus.

External link 
 

Planets