N-2 R/B(2)
| Launched | 9 August 1981 |
| Flight ended | 22 November 1990 |
| Status | Decayed |
| Launch site | Tanegashima Space Center, Japan |
| Owner | Japan |
| NORAD ID | 12810 |
| COSPAR ID | 1981-076C |
| Observing |
N-2 R/B(2)
| Launched | 9 August 1981 |
| Flight ended | 22 November 1990 |
| Status | Decayed |
| Launch site | Tanegashima Space Center, Japan |
| Owner | Japan |
| NORAD ID | 12810 |
| COSPAR ID | 1981-076C |
| Observing |