Transition Region and Coronal Explorer (TRACE)

• Launched April 1, 1998 on a Pegasus XL rocket.

• 600 x 650 km Sun synchronous

• Spacecraft Parameters

  • Weight - 250 kg
  • Instrument Dimensions - 30 cm x 160 cm, 8.66 m focal length
  • Attitude control system - three-axis stabilized..
  • Data Rates - 2.25 mbps downlink (416 Kbps real-time)
  • Command Rate - 2 Kbps
  • Power System - ~220 watts

• SMEX spacecraft built by NASA/GSFC

• Supporting network - Wallops Island, Poker Flat, McMurdo

• Instrument:

  • UV/EUV Imaging Telescope built by Lockheed Palo Alto Research Laboratory.
  • Dimensions - 30 cm x 160 cm, 8.66m effective focal length.

• Extended mission will begin April 1999.

• Flight Segment Failures:

  • N/A

• Key personnel

  • Dr. Charles Holmes - Program Executive
  • Dr. William Wagner - Program Scientist
  • Dr. Richard Fisher - Project Scientist
  • Dr. Alan M. Title - Principal Investigator
  • Patrick Crouse - Mission Director

6/9/98

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