Here is the full list of all 16 ASTROKILL achievements.
Complete the Firefight mission.
Accumulate 100 kills.
Accumulate 40 kills.
Accumulate 20 kills.
Kill an ejected pilot.
Accumulate 10 kills.
Complete 1 secondary objective.
Destroy an enemy ship.
Kill 10 unarmed pilots.
Kill 20 hapless pilots.
Kill 100 loved and respected pilots.
Complete 20 secondary objectives.
Complete 10 secondary objectives.
Complete 100 secondary objectives.
Complete the Colonists mission.
Spawn 9 times.