M-3S2 R/B
| Launched | 4 February 1987 | 
| Flight ended | 27 June 1997 | 
| Status | Decayed | 
| Launch site | Uchinoura Space Center (Fomerly Kagoshima Space Center-University of Tokyo, Japan) | 
| Owner | Japan | 
| NORAD ID | 17481 | 
| COSPAR ID | 1987-012B | 
| Observing | 
Launched alongside
GINGA ASTRO-C DEB ASTRO-C DEB ASTRO-C DEB ASTRO-C DEB ASTRO-C DEB ASTRO-C DEB ASTRO-C DEB ASTRO-C DEB