Here is the full list of all 15 Obduction achievements. It takes around 10-12 hours to unlock all of the achievements on Windows.
Left the nest.
Viewed Earth from Soria.
Approached an active Mofang WMD.
Viewed an Easter Egg.
Checked in with CW after turning on the power.
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Returned to Earth.
Destroyed the Bleeder in Hunrath.
Kaptar connected to the Heart.
Destroyed the Box of Infinite Complexity.
Soria connected to the Heart.
Maray connected to the Heart.
Found Farley's pod in the Silo.
Hunrath connected to the Heart.
Redirected the water in Hunrath.