NSSDC Master Catalog Display: Spacecraft http://nssdc.gsfc.nasa.gov/database/MasterCatalog?sc=1971-030A NSSDC Master Catalog Display: Spacecraft Tournesol NSSDC ID: 1971-030A Other Names D2A Diamant-B No 3 05128 Launch Date/Time: 1971-04-15 at 09:19:00 UTC On-orbit Dry Mass: 96 kg Description The scientific mission of this spacecraft was to detect the probable presence of hydrogen in several directions of the celestial sphere. Scientific and technological data recorded by an onboard recorder were transmitted on command. The satellite was a cylinder 70 cm in diameter and 80 cm long. The rotating axis was directed parallel to the sun-satellite axis, with an accuracy of about 10-20 min of arc. The spin rate was 1 rpm. Discipline Astronomy Sponsoring Agency/Country Unknown/France Personnel Information Launch/Orbital Information Experiment Information Data Set Information NSSDC home page Further questions can be directed to: NSSDC Coordinated Request and Support Office, Code 633 NASA Goddard Space Flight Center, Greenbelt, MD 20771 +1-301-286-6695 (Voice) +1-301-286-1635 (fax) [email protected] 1 of 2 3/20/2006 2:51 PM NSSDC Master Catalog Display: Spacecraft http://nssdc.gsfc.nasa.gov/database/MasterCatalog?sc=1971-030A NSSDC Security and Privacy Statement NASA Official: Ed Grayzeck, [email protected] Last Updated: 1999-03-05 Output Generated: 2006-01-17 Programming by: E. V. Bell, II ([email protected]) 2 of 2 3/20/2006 2:51 PM