Cache is NOT at posted coordinates.
This is a bonus physical Geocache available after completing the "Star Trek At The Library" Adventure Lab and collecting the clues in it.
At each of 5 locations of the Adventure Lab you should have received a code letter for each correct answer. Enter these 5 letters in the order they were given into the Certitude geochecker to receive the final coordinates to this cache.
I hope you enjoyed the adventure!
You can validate your puzzle solution with certitude.