Orbital Sandbox

Challenges

Guided flight academy

Launch missions

Learn orbital flight through 8 missions. Every mission is unlocked, every solution is yours, and hints never reduce your score.

Academy progress0 / 8
  1. Earth mission
    Recommended

    First Orbit

    Semi-major-axis altitude · Nearly circular

    Flight tools
    2 burns max
    Best result
    Not completed
    Begin mission
  2. Earth mission

    Save the Satellite

    Safe periapsis · Remain bound

    Flight tools
    2 burns max
    Best result
    Not completed
    Begin mission
  3. Earth mission

    The High Road

    Target periapsis · Target apoapsis

    Flight tools
    4 burns max
    Best result
    Not completed
    Begin mission
  4. Moon mission

    Lunar Skimmer

    Low lunar periapsis · Controlled apoapsis

    Flight tools
    2 burns max
    Best result
    Not completed
    Begin mission
  5. Mars mission

    Mars Relay

    Relay periapsis · Relay apoapsis

    Flight tools
    3 burns max
    Best result
    Not completed
    Begin mission
  6. Jupiter mission

    Jupiter Breakaway

    Escape Jupiter · Nonnegative orbital energy

    Flight tools
    2 burns max
    Best result
    Not completed
    Begin mission
  7. Moon mission

    Lunar Polar Scanner

    Capture into a high lunar orbit · Polar inclination (degrees)

    Flight tools
    5 burns max
    Best result
    Not completed
    Begin mission
  8. Earth mission

    Rescue Rendezvous

    Distance to stranded spacecraft · Relative speed at rendezvous

    Flight tools
    4 burns max
    Best result
    Not completed
    Begin mission