Electron | Kakushin Rising (JAXA Rideshare)
The satellites were originally planned to launch with RAISE-4 on a Japanese Epsilon-S rocket, but the Epsilon-S was heavily delayed due to test firing failures.
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Countdown Timer - Electron | Kakushin Rising (JAXA Rideshare)
Related countdowns

Falcon 9 Block 5 | Starlink Group 17-27
Launch by SpaceX. A batch of 25 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system. From Vandenberg SFB, CA, USA.

Booster 19 Static Fire #2
SpaceX will static fire Super Heavy Booster 19, with all 33 engines installed, in preparation for Starship's 12th launch. Location: Starbase. Texas.

Solar Orbiter Venus Flyby
Solar Orbiter, a partnership between ESA and NASA, will perform a gravity assist maneuver with Venus on December 24, 2026. Throughout its mission it also makes repeated gravity assist flybys of Venus to get closer to the Sun, and to change its orbital inclination, boosting it out of the ecliptic plane, to get the best – and first – views of the Sun’s poles. Location: Venus.

Hayabusa2 S-Type Asteroid (98943) Torifune Flyby
As part of its mission extension, JAXA's Hayabusa2 spacecraft will observe S-type asteroid (98943) Torifune during a high-speed fly-by. Location: (98943) Torifune.

Roman Telescope Unveiling News Conference
NASA's Nancy Grace Roman Space Telescope recently completed construction and is wrapping up prelaunch testing. NASA participants in this briefing include: - NASA Administrator Jared Isaacman - Nicky Fox, associate administrator, Science Mission Directorate, NASA Headquarters, Washington - Jamie Dunn, Roman telescope project manager, NASA Goddard - Julie McEnery, Roman telescope senior project scientist, NASA Goddard Location: Goddard Space Flight Center, Greenbelt, MD, USA.

Falcon 9 Block 5 | Starlink Group 17-14
Launch by SpaceX. A batch of 25 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system. From Vandenberg SFB, CA, USA.
