| Name of Satellite, Alternate Names | Kizuna (WINDS - Wideband InterNetworking engineering Demonstration Satellite) |
| Country of Operator/Owner | Japan |
| Operator/Owner | Japan Aerospace Exploration Agency (JAXA) |
| Users | Government |
| Purpose | Technology Development |
| Class of Orbit | GEO |
| Type of Orbit | |
| Longitude of GEO (degrees) | 143.05 |
| Perigee (km) | 35776 |
| Apogee (km) | 35796 |
| Eccentricity | 0.000237214156940886 |
| Inclination (degrees) | 0.02 |
| Period (minutes) | 1436.1 |
| Launch Mass (kg.) | 4850 |
| Dry Mass (kg.) | 2450 |
| Power (watts) | |
| Date of Launch | 23-02-2008 |
| Expected Lifetime | |
| Contractor | JAXA/National Institute of Information and Communications Technology (NICT) |
| Country of Contractor | Japan |
| Launch Site | Tanegashima Space Center |
| Launch Vehicle | H2A |
| COSPAR Number | 2008-007A |
| NORAD Number | 32500 |
| Comments | Technology demonstration; carries ultra-fast, 1.2 Gbps direct-to-home downlink in Ka-band. |