JAXA received telemetry data from the Rapid Innovative Payload Demonstration Satellite 1 (RAPIS-1), launched aboard the fourth Epsilon Launch Vehicle (Epilon-4) earlier at 9:50 a.m. (Japan Standard Time, JST), January 18 , 2019 from the JAXA Uchinoura Space Center. The RAPIS-1 telemetry confirmed that the satellite's solar panels started generating electricity, which is essential for the RAPIS-1 operation. The telemetry also shows communication with the satellite via ground stations proceeded well. This concludes the critical operations phase.

At 9:50:20 a.m. (Japan Standard Time) January 18, 2019 JAXA launched Epsilon-4, the Fourth Epsilon launch vehicle With The Innovative Satellite Technology Demonstoration-1.

From the JAXA Uchinoura Space Center. The launch occurred on time. The launch and flight of Epsilon-4 took place normally. Approximately 51 minutes 55 seconds into the flight, the separation of "The Innovative Satellite Technology Demonstoration-1" proceeded, with confirmation as successful.

The launch time of the Epsilon-4 with the Innovative Satellite Technology Demonstoration-1 was set for 9:50:20 a.m. on January 18 (Fri.), 2019 (Japan Standard Time.)

JAXA will broadcast a live launch report from the Uchinoura Space Center from 9:25 a.m. on the 18th. You can watch it through the Internet. Please have a look!

The Innovative Satellite Technology Demonstoration-1 launch postponed to Jan. 18 (Fri., JST)
The launch date of the the Epsilon-4 with the Innovative Satellite Technology Demonstoration-1 has been postponed as unfavorable weather is forecasted. The launch was originally scheduled for January 17. The live broadcast of the launch will also be put off accordingly.