September 2013

  • Preliminary computer model of the end-to-end performance of the Sentinel Mission developed, which provides an analysis tool for comparing the asteroid detection efficiency of various design alternatives as we fine-tune the mission design.

June 2013

  • First working session of Sentinel Operations and Data Analysis Working Group
  • Orbit determination accuracy objectives developed

April 2013

January 2013

  • Passed first major technical review
  • Prototype infrared detectors fabricated and in-test

June 2012

  • Technical leadership team among most experienced in world
  • Preliminary spacecraft and mission design complete
  • Firm fixed price proposal submitted by Ball Aerospace (enabled by early infrared detector work funded by B612)
  • Experienced Ball contractor team previously built Kepler Space Telescope, Spitzer Space Telescope, Deep Impact Mission, Hubble Space Telescope instrumentation
  • NASA Space Act Agreement to provide communications, tracking, technical support

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