Tessen III
Tessen III was the inhabited third planet in its star system. 

In 2368, the  destroyed an asteroid threatening to impact on the planet. While most of the asteroid could be destroyed with photon torpedoes, the core composed of nitrium and chrondite could only be a destroyed with a particle beam from the deflector dish. After destroying the asteroid, the Enterprise left Tessen III for the Moselina system. ()

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Tessen 03