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 Theta Sector!
You've completed the Iota Sector!
You've completed the Kappa Sector!
Remain in orbit for one hour!
Remain in orbit for thirty minutes!
Let there be light.
You've completed the Zeta Sector!
You've completed the Eta Sector!
Every day a new challenge.
Remain in orbit for five minutes!
You've completed the Epsilon Sector!
Remain in orbit for one minute!
You've completed the Delta Sector!
You've completed the Beta Sector!
You've completed the Gamma Sector!
You've completed the Alpha Sector!
The first artificial satellite completed its orbit!