NASA Logo, National Aeronautics and Space Administration
NASA Space Science Data Coordinated Archive Header

Scisat 1



SCISAT 1 is a Canadian (CSA) atmospheric research satellite that was launched at 02:10 UT by a Pegasus XL rocket released from a an L-1011 cargo plane flying out of Vandenberg AFB on 13 August 2003. The 152 kg, 70 W, "bias momentum stabilized" spacecraft points to the Sun at one degree accuracy, and carries two instruments, FTS and MAESTRO, to monitor the atmospheric ozone and dust composition in the 4-100 km altitude range. More details of the mission and the instruments are available via

Alternate Names

  • 27858
  • ACE
  • Atmospheric Chemistry Experiment (ACE)
  • Scisat1

Facts in Brief

Launch Date: 2003-08-13
Launch Vehicle: Pegasus XL
Launch Site: Vandenberg AFB, United States

Funding Agency

  • Canadian Space Agency (Canada)


  • Earth Science

Additional Information

Questions and comments about this spacecraft can be directed to: Coordinated Request and User Support Office



NameRoleOriginal AffiliationE-mail
Dr. Peter F. BernathMission
[] NASA Logo -