Spacecraft information: TAIYO
| Launched | 23 February 1975 |
| Flight ended | 28 June 1980 |
| Status | Decayed |
| Launch site | Uchinoura Space Center (Fomerly Kagoshima Space Center-University of Tokyo, Japan) |
| Owner | Japan |
| NORAD ID | 7671 |
| COSPAR ID | 1975-014A |
| Alternative names |
SRATS |
| Observing |
Launched alongside
M-3C R/B