Here is the full list of all 14 Masteroid achievements.
Fly at least 100,000 units.
Deliver 5,000 resources to any space station.
Destroy 500 ships from any combination of factions.
Fly at least 500,000 units.
Fly at least 1,000,000 units.
Destroy 10 ships from any combination of factions.
Destroy 50 ships from any combination of factions.
Destroy 100 ships from any faction.
Deliver 100 resources to any combination of space stations.
Deliver 1,000 resources to any combination of space stations.
Complete 5 missions for any combination of factions.
Complete 50 missions for any combination of factions.
Complete 100 missions for any combination of factions.
Reach reputation level 10 with any faction.