Tansei

, also known as Tonsei, is the name of the second Japanese artificial satellite which was put into orbit.Nussbaum, Louis-Frédéric. (2005). "Ōsumi" in Japan Encyclopedia, p. 762. 

The launch was a project of the Institute of Space and Astronautical Science of the University of Tokyo. The name of the satellite means "light blue", which is the school color of the University of Tokyo."Japan's Satellite Transmits," New York Times. February 18, 1971; retrieved 2012-4-16.

The satellite was sent into orbit on February 16, 1971.JAXA,  "Catalogue of ISAS Missions" ; retrieved 2012-4-2.   

 References 

 Other websites 
 Japan Aerospace Exploration Agency (JAXA), Tansei (MS-T1) mission profile 

Category:Japanese satellites
Category:Spacecraft launched in the 1970s