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