Amateur Radio Small Satellite Launch Alert
Mineo Wakita, JE9PEL sent a launch alert for seven amateur radio satellites planned as secondary payloads when Japan launches its GOSAT IBUKI satellite on January 21, 2009 at 03.54 UTC. GOSAT - Greenhouse gases Observing SATellite is an environmental monitoring satellite which will be launched from Japan's Tanegashima Space Center aboard the H-IIA F15 booster.
| Satellite | Downlink | Beacon | Mode | Callsign |
| Kagayaki | 437.375 | 437.375 | FSK9K6/CW | |
| STARS | 437.485/.465 | 437.305/.275 | FM/CW | JR5YBN JR5YBO |
| KKS-1 | 437.445 | 437.385 | AFSK/CW | JQ1YYY |
| PRISM | 437.425 | 437.250 | AFSK/GMSK/CW | JQ1YCX |
| SOHLA-1 | 437.505 | 437.505 | AFSK/CW | |
| SPRITE | Scientific observation satellite | |||
| SDS-1 | Small demonstration satellite | |||
Masa, JN1GKZ reported that the small satellites are technically not CubeSats since they are larger in size and each platform is a unique design. Click on the satellite name in the table to follow the links for more information about each satellite.
The mission will be launched into a sun synchronous orbit to an altitude of 660km with an inclination of 98.1 degrees. The orbital period is estimated to be 98 minutes.