Nelvana V
Nelvana V was the uninhabited first planet of the Nelvana system. This Beta Quadrant system was located in the Romulan Neutral Zone. 

In 2366, the location of Nelvana V was labeled on a Starfleet tactical intelligence analysis system map. This map illustrated the current position and orbital path of this planet. A tactical scan analysis of this planet by the  resulted in negative readings which Data interpreted as no unusual activity. The starship was scanning for artificially-generated , reflected pattern return, subspace distortion, electromagnetic emissions, gravimetric perturbation, microwave enhancement, background radiation, particulate distribution, virtual interferometry, and low-level gamma imaging. (, okudagram)

Nelvana 05
Romulan Neutral Zone