H-1 R/B(2)
| Launched | 27 August 1990 |
| Flight ended | 14 March 1991 |
| Status | Decayed |
| Launch site | Tanegashima Space Center, Japan |
| Owner | Japan |
| NORAD ID | 20773 |
| COSPAR ID | 1990-077C |
| Observing |
H-1 R/B(2)
| Launched | 27 August 1990 |
| Flight ended | 14 March 1991 |
| Status | Decayed |
| Launch site | Tanegashima Space Center, Japan |
| Owner | Japan |
| NORAD ID | 20773 |
| COSPAR ID | 1990-077C |
| Observing |