Here is the full list of all 38 0RBITALIS achievements.
You've completed the Lambda Sector!
You've completed the Mu Sector!
You've completed the Kappa Sector!
You've completed the Iota Sector!
Remain in orbit for thirty minutes!
Remain in orbit for one hour!
You've completed the Theta Sector!
Let there be light.
Every day a new challenge.
You've completed the Zeta Sector!
You've completed the Eta Sector!
You've completed the Epsilon Sector!
You've completed the Beta Sector!
You've completed the Gamma Sector!
You've completed the Delta Sector!
Remain in orbit for five minutes!
Remain in orbit for one minute!
You've completed the Alpha Sector!
The first artificial satellite completed its orbit!