USS Copernicus (NCC-58637)
The USS Copernicus (NCC-58637) was a 24th century Federation starship operated by Starfleet. 

In 2364, while on a mission in the Sigma Antares sector, this ship sent a request for additional fuel allotments. On stardate 41417.3, Vice Admiral Maxwell Headroom of Starfleet Mission Operations Division sent a reply in which he denied the request. The admiral advised the starship to maximize its resources for greater operational efficiency. The captain was to acknowledge this order on subspace com net security code 045, code 100 alpha. Later that year, this order was read by Lieutenant Commander Data during an investigation into an alleged conspiracy in the highest levels of Starfleet Command. (, okudagram)

Appendices

Background information

Apocrypha 
According to the s The Best and the Brightest and Pathways, the Copernicus was an  starship.

External link 
 

de:USS Copernicus (NCC-58637)
Copernicus, USS (NCC-58637)