NASA's New Exoplanet Hunter is Using A Clever Orbit

The Transiting Exoplanet Survey Satellite (TESS) is launching on board a SpaceX Falcon 9 rocket, and some clever work by the designers has enabled it to reach an ideal orbit with almost no work by the spacecraft. Instead much of the work is carried out by the Falcon 9 upper stage with only small adjustments made by the spacecraft's attitude control thrusters. By doing this they were able to make the spacecraft even cheaper and fit it into the small budget available.