This is the development version of the TESS Science Support Center website. For the live website, visit https://heasarc.gsfc.nasa.gov/docs/tess

TESS commissioning nominal and on track for lunar encounter

TESS commissioning has been nominal. The space craft has undergone several phasing orbit burns and turn on and checkout of key subsystems. Since launch on April 18, TESS has reached many mission milestones that include:

  • Separation from the Falcon 9 second stage, solar array deployment, and first contact with NASA …

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