Launches / KAIROS

Past launch Failed

Flight 3

KAIROS, flown by Space One

KAIROS lifting off with the Flight 3 mission
Image via The Space Devs.

This was Space One's first launch of 2026, and its third in all.

Counting every operator, it was the 46th orbital launch attempt anywhere in 2026, and the first from Space One Launch Pad.

Launched
Thursday, March 5, 2026, 2:10 a.m. UTC
Window
Thursday, March 5, 2026, 2:10 to 2:20 a.m. UTC
Launch site
Spaceport Kii, Japan
Rocket
Kii-based Advanced & Instant ROcket System
Operator
Space One
Failure
AFTS activated at T+68.8 seconds, cause under investigation with possibility of mis-activation.

Watch the webcast →

The mission

Third flight of the KAIROS launch vehicle. 5 satellites will be on board: * TATARA-1R * SC-Sat1a * HErO * AETS-1 * Nutsat-3 (TASA/Taiwan)

Type
Test flight
Destination
Sun-synchronous orbit

The rocket

4-stage all solid fuel small satellite launch vehicle from the Japanese company Space One, founded in 2018 by Canon Electronics, IHI Aerospace, construction company Shimizu and the government-backed Development Bank of Japan.

Height
18 m
Built by
Space One
First flew
March 13, 2024
Lifts to low Earth orbit
250 kg
View 2 specifications Show less
Diameter
1.4 m
Stages
4

3 flights, 0 of them successful.

space-one.co.jp →

The operator

Space One

Space 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

Sector
Commercial
Based in
Japan
Founded
2018

3 launches so far, 0 of them successful.

space-one.co.jp →

The launch site

It went up from Space One Launch Pad at Spaceport Kii, Japan.

See the pad on a map →

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