Denobula Denobula was an inhabited planet in the Denobula Triaxa system . It was the homeworld of the Denobulan s , a warp - capable humanoid species , as well as of the Denobulan lemur . History . Genetic engineering was used on Denobula since the mid - 20th century , according to Phlox to " generally positive effect . " ( ) The first Human to serve on Denobula was Doctor Jeremy Lucas , who was stationed there circa September 2151 . ( ) As of 2152 , Denobula was heavily populated , with twelve billion inhabitants on a single continent . The cities were quite crowded , though Phlox noted that the atmosphere was " vibrant , communal " . The riverside nightclubs of the Kaybin District were known as meeting places to find intimate partners during the Denobulan mating season . ( ) Denobula was mentioned in a hallucination Hoshi Sato experienced in mid - 2152 . She imagined asking Phlox if people on Denobula spoke about the dreamt - up figure Cyrus Ramsey , which Phlox then denied . ( ) In reality , later the same year , Phlox requested information on Pa ' nar Syndrome from Vulcan doctor Yuris , claiming it was on behalf of a colleague on Denobula studying thymic sclerosis . ( ) In 2153 , a group of Denobulan scientist s studied a system of caves on the planet , seeking to avert seismic disasters on Denobula . ( ) In 2155 , a representative from Denobula participated in talks at Starfleet Headquarters on Earth to form a Coalition of Planets . ( ) Appendices . Background information . Depicting the planet in canon . As evidenced by an early draft of the series bible for , the point of origin for Phlox was originally to have been " a system called Noor " . Phlox actor John Billingsley imagined the Denobulan homeworld as a utopia , to the point of causing the Denobulans to become insular . " " I mean , maybe it ' s so Eden - like [ on Denobula ] , " " he reckoned , " " that it ' s like , ' Oh , what do I want to go out there for ? I ' ve got everything that I want right here . " " ( ) Denobula was mentioned in voiceover dialogue that was scripted for but not included in the final version of that episode ; at one point , Phlox said that miner s who had been assigned , along with him , to a Denobulan mining facility on Pree ' nos had tried to make their compound as much like Denobula as they could ( such as with " entertainment from home " ) , though that hadn ' t seemed right to him . The planet was likewise referred to once in the final draft script of but not in the final edit of that installment . Denobula was referenced once in a deleted scene from , Phlox mentioning that he was looking forward to introducing nearly thirty new - found descendants of his ( who were meanwhile aboard a version of " Enterprise " from an alternate timeline ) to his wives on Denobula . ( ENT Season 3 DVD & Blu - ray special features ) Denobula was also referenced in the final draft script of , though not in the final version of that episode . In the script , a scene description stated , " " Fond memories of Denobula give Phlox something to smile about , even in these dire surroundings . " " Shortly before was cancelled at the end of its fourth season , John Billingsley expressed an interest in viewing Denobula in the series , saying , " " I would love to see a visit to Denobula . " " In fact , Manny Coto once stated that , if the series had gone into a fifth season , " Enterprise " would indeed have visited the planet . Details from reference works . The – in the article for the Denobulans – placed Denobula in the Alpha Quadrant . According to , Denobula was a M - class planet and the sole planet in its system . According to the reference book " " ( p . 75 ) , a Romulan force attacked Denobula and its orbiting spaceport in 2158 . The ambush resulted in over three million casualties and intimidated Denobula , causing it to refrain from supporting the Coalition of Planets during the Earth - Romulan War . According to " " ( p . 44 ; " United Federation of Planets I " ) , in 2378 , Denobula was a Federation member . This planet was located in the Alpha Quadrant . According to " " ( " Stellar Cartography " p . 13 ; " Federation Historical Highlights , 2161 - 2385 " ) , while Denobula Prime was located in the Beta Quadrant , the Denobula Triaxa system was located in the Alpha Quadrant . The latter was a Federation member . Apocrypha . The " " novel " Precipice " mentions the national reserve bank in Denobula ' s capital city being broken into , in the mid - 23rd century . Denobula appears in the computer game " Star Trek Timelines " .