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