A

David

Darling

Tansei

Tansei was a series of small Japanese satellites designed to test the performance of new ISAS (Institute of Space and Astronautical Science) launch vehicles. All were launched from Kagoshima.

 

spacecraft launch date launch vehicle orbit mass (kg)
Tansei Feb 16, 1971 M-4S 990 × 1,110 × 30° 63
Tansei-2 Feb 16, 1974 M-3C 290 × 3,240 × 31° 56
Tansei-3 Feb 19, 1977 M-3H 790 × 3,810 × 31° 129
Tansei-4 Feb 17, 1980 M-3S 521 × 606 × 39° 185