For the ship? 
BlackStar or WhiteStar or whatever color IDGAF
DarkVexen
The Nexus
Titan AE (heehee)
AbyssWalker

for the roleplay?
Journey of Eternity
Chaoticlism
SoundlessSouls (cause there is no sound in space)
StarHearted
Starred-crossed pirates (heehee)

don't judge me these are off the top of my espresso-filled head.