Centauri

Centauri was a planet that was destroyed by the Oroborus before 2050, it turned the planet into a Black hole by Siphoning its future.(K9TV: Oroborus)

Behind the Scenes

 * It is likely due to its name, Centauri is located in the Centaurus constellation. The fact that Proxima Centauri is the neighbouring star to Sol, and the Oroborus targeted Earth supports this.