A friend of mine, Blackbird, wrote "No Need for a Mining Vessel,"  A Red
Dwarf/ Tenchi Muyo! Fusion Story in which Tenchi is placed in stasis, Aeka is
the hologram, and Ryoko is a being decended from Tenchi's pet Cabbit...

You can find this at Blackbird's Tenchi Muyo! Cosmos page:
http://www.geocities.com/Tokyo/6127/Tenchi.html