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