Flight 3
Space One · KAIROS
Failure
TBD
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Launch Details
Launch Date
—
Agency
Space OneRocket
Kii-based Advanced & Instant ROcket System
Launch Pad
Space One Launch Pad — Spaceport Kii, Japan
Launch Window
—
Launch date history
No date changes since Orbit started tracking this launch on 27 Sep 2026.
Mission Progress
Current Stage
Liftoff
Main engines ignite and the vehicle clears the tower
4 of 9 stages complete
56%
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- Announced
Mission confirmed and added to the launch manifest
- Vehicle Integration
Rocket assembled and transported to the launch pad
- Pre-Launch Checks
Fuelling, systems checks, and final go/no-go polling
- Launch Window Open
Countdown active — T-0 within the launch window
- Liftoff
Main engines ignite and the vehicle clears the tower
- Max-Q
Maximum aerodynamic pressure on the vehicle
- MECO / Stage Separation
Main engine cutoff and first stage separates
- Second Stage Ignition
Upper stage engine ignites to continue to orbit
- Orbit Insertion
Payload deployed to target orbit — primary mission success
Launch Provider
Space One
CommercialSpace OneSpace One is a private launch service provider founded in 2018 by Canon Electronics, IHI Aerospace, construction company Shimizu and the government-backed Development Bank of Japan. Their KAIROS launch vehicle is planned for use to launch small satellites
Founded2018
Total launches3
CountryJPN
Rocket & Vehicle
Kii-based Advanced & Instant ROcket System
Launch Pad
Space One Launch Pad
Spaceport Kii, Japan
Lat 33.544
Lng 135.890
Launches from pad3
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