Subscribe free to our newsletters via your
  Space Travel News  

Subscribe free to our newsletters via your

Outstanding In-Orbit Performance Of The Terma Star Tracker On TacSat-2

A Terma Star Tracker
by Staff Writers
Herlev, Denmark (SPX) Jan 24, 2007
The Terma Star Tracker team has now received the first ever in-orbit live data from the Terma HE-5AS Star Tracker. The data has been recorded onboard the TacSat-2 spacecraft during the first hours following the successful release from the Minotaur I launch vehicle on Dec 16 2006. The Star Tracker was switched-on exactly one hour after the spacecraft release.

At this time TacSat-2 was tumbling with an angular rate of more than 0.6 deg/sec 415km above sea level. With no a priori information about the spacecraft attitude the Terma Star Tracker immediately solved the lost in space problem, made an autonomous transition into accurate tracking mode and delivered a continuous stream of precise vital attitude information to the spacecraft.

Following the Spacecraft de-tumbling, the Star Tracker has generated numerous series of attitudes with unprecedented accuracy in the order of 0.3 arc-second (rms) verifying the ambitious design goals of the HE-5AS Star Tracker.

The first Terma Star Tracker in space launched on June 21 2006 onboard the NRL Micro-Satellite Technology Experiment MiTEx is still reported to be operating according to specifications, but no data have been released so far for unrestricted use.

Over the next two years, Terma will deliver a number of star trackers to end-customers including the European Space Agency, the U.S. Navy, the U.S. Air Force and the Missile Defense Agency.

Related Links
All about the technology of space and more
News About Space Exploration Programs
Space Tourism, Space Transport and Space Exploration News

Memory Foam Mattress Review
Newsletters :: SpaceDaily :: SpaceWar :: TerraDaily :: Energy Daily
XML Feeds :: Space News :: Earth News :: War News :: Solar Energy News

Decomposition Of Plants Could Shed Light On Climate Change
Washington (AFP) Jan 19, 2007
Nitrogen release by decomposing plants is surprisingly similar across the planet and could help shed light on the evolution of climate change, researchers said in a study released Friday. Dozens of researchers worked for 10 years in 27 sites, from Arctic tundra to the tropical forests of North and Central America, in one of the largest studies ever done on nitrogen release during plant decomposition published in the journal Science.

  • Test Flights Of Angara Boosters To Start In 2010
  • Researchers Create New Class Of Compounds
  • India Delays Cryogenic Rocket Engine Test Two Weeks
  • India To Conduct Full-Duration Cryogenic Stage Test

  • SpaceWorks Engineering Releases Study On Emerging Commercial Transport Services To ISS
  • JOULE II Launches With Success At Poker Flat
  • Russia To Stop Spacecraft Launches From Far East In 2007
  • SpaceX Delays Launch, Faces New Problems With Static Fire Test

  • Expedition 14 Talks To Martha Stewart
  • NASA Says Destroyed Chinese Satellite Is No Threat To Space Station
  • International Space Station Heads Of Agencies Meet At ESA Headquarters
  • M-59 Drops Off The Shopping

  • Outstanding In-Orbit Performance Of The Terma Star Tracker On TacSat-2
  • Coalition For Space Exploration Names New Leadership
  • Chance For European Student To Join The NASA 2007 Summer Academy
  • Indian Space Capsule Back To Earth

  • China Seeks To Quell Fears Over Space Program
  • China's Manned Spacecraft To Carry Small Satellite
  • No Response From China On US Space Complaints Says White House
  • China Anti-Satellite Test Sparks Space Junk Outcry

  • Conceptualizing A Cyborg
  • Hunt On For Next World-Changing Gadget At US Electronics Show
  • NASA Awaits New FIRST Robotics Season
  • Futuristic Tools And Toys At Largest Consumer Electronics Show

  • A Stellar Moment Frozen In Martian Time
  • Spirit Studies Distinctive Rock Layers With Granules And Platy Beds
  • German HRSC Onboard Mars Express Now In Its Third Year
  • Opportunity Studies Cobbles And Rock Exposures Around 'Victoria Crater'

  • The content herein, unless otherwise known to be public domain, are Copyright Space.TV Corporation. AFP and UPI Wire Stories are copyright Agence France-Presse and United Press International. ESA Portal Reports are copyright European Space Agency. All NASA sourced material is public domain. Additional copyrights may apply in whole or part to other bona fide parties. Advertising does not imply endorsement, agreement or approval of any opinions, statements or information provided by Space.TV Corp on any Web page published or hosted by Space.TV Corp. Privacy Statement