Third launch of KAIROS, following two unsuccessful test flights back in March and December of 2024.

| Scheduled for (UTC) | 2026-03-05 02:10 | |

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| | Scheduled for (local) | 2026-03-05 11:00 (JST) | | Launch site | Space One Launch Pad, Space Port Kii, in Kushimoto, Japan | | Launch vehicle | KAIROS | | Launch provider | Space One | | Mission success criteria | Successful launch and deployment of payload into Sun-Synchronous Orbit |

Livestreams

| Stream | Link | |

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| | 和歌山県庁成長産業推進課 (Official) | https://www.youtube.com/watch?v=ZGaimti4hCE (scrub 2) (scrub 1) | | The Launch Pad (unofficial re-stream) | https://www.youtube.com/watch?v=wpQLlW6jXk8 (scrub 2) (scrub 1) |

Space One

Space One is a Japanese private spaceflight company aiming to develop and eventually operate a launch vehicle for small satellites. Founded in 2018 July with investments from Canon Electronics, IHI Aerospace, Shimizu Corporation and the Development Bank of Japan.

KAIROS

KAIROS is a 4-stage launch vehicle, with 3 solid-propellant stages and one 1 liquid-propellant upper stage.

Stats

☑️ 3rd launch of KAIROS

☑️ 3rd launch from Space One Launch Pad

☑️ 3rd Space One launch

☑️ 1st Japanese launch this year

Payload info (NextSpaceflight)

5 satellites will be on board:

• TATARA-1R
• SC-Sat1a
• HErO
• AETS-1
• Nutsat-3 (TASA/Taiwan)

Target orbit: Sun-Synchronous Orbit