OKINA
| Launched | 13 September 2007 |
| Flight ended | 11 February 2009 |
| Status | Decayed |
| Launch site | Tanegashima Space Center, Japan |
| Owner | Japan |
| NORAD ID | 32055 |
| COSPAR ID | 2007-039B |
| Alternative names |
RELAY |
| Observing |