Family-level launch record combining canonical variants, historical missions, public cadence forecasts, and available payload performance specs.
Historical missions are grouped by actual launch year. Forecast cadence uses family-level launch-rate rows.
| Year | Historical missions | Forecast launches |
|---|---|---|
| 2024 | 2 | 0 |
| 2026 | 1 | 1 |
| 2027 | 0 | 1 |
| 2028 | 0 | 1 |
| 2029 | 0 | 1 |
| 2030 | 0 | 1 |
| 2031 | 0 | 1 |
| 2032 | 0 | 1 |
| 2033 | 0 | 1 |
| 2034 | 0 | 1 |
| 2035 | 0 | 1 |
| 2036 | 0 | 1 |
| 2037 | 0 | 1 |
| 2038 | 0 | 1 |
| 2039 | 0 | 1 |
| 2040 | 0 | 1 |
| 2041 | 0 | 1 |
Payload capacity by variant and target orbit when structured capacity rows are available.
| Variant | Orbit | Capacity | Altitude | Inclination | Source |
|---|---|---|---|---|---|
Kairos | SSO | 150 kg | 500 km | Unknown | Space One official KAIROS service page |
Latest launched missions using variants in this family.
| Mission | Variant | Launch |
|---|---|---|
| Launch 2026-F04 | Kairos | Mar 5, 2026 |
| Launch 2024-F04 | Kairos | Dec 18, 2024 |
| Launch 2024-F01 | Kairos | Mar 13, 2024 |
Upcoming mission rows with announced launch timing.
| Mission | Variant | Announced |
|---|
Canonical variants rolled up into this launch vehicle family.
| Variant | Stages | Missions | Status |
|---|---|---|---|
Kairos | Not stated | 3 | Active |
1 launch location represented.
| Year | Location | Launches | Confidence | Basis |
|---|---|---|---|---|
| 2026 | Spaceport Kii | 1 | 25% | Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot. |
| 2027 | Spaceport Kii | 1 | 25% | Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot. |
| 2028 | Spaceport Kii | 1 | 25% | Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot. |
| 2029 | Spaceport Kii | 1 | 25% | Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot. |
| 2030 | Spaceport Kii | 1 | 25% | Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot. |
| 2031 | Spaceport Kii | 1 | 25% | Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot. |
| 2032 | Spaceport Kii | 1 | 25% | Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot. |
| 2033 | Spaceport Kii | 1 | 25% | Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot. |
| 2034 | Spaceport Kii | 1 | 25% | Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot. |
| 2035 | Spaceport Kii | 1 | 25% | Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot. |
| 2036 | Spaceport Kii | 1 | 25% | Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot. |
| 2037 | Spaceport Kii | 1 | 25% | Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot. |
| 2038 | Spaceport Kii | 1 | 25% | Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot. |
| 2039 | Spaceport Kii | 1 | 25% | Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot. |
| 2040 | Spaceport Kii | 1 | 25% | Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot. |
| 2041 | Spaceport Kii | 1 | 25% | Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot. |
Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.
Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.
Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.
Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.
Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.
Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.
No forecasted missionsNo upcoming announced mission rows are linked to this vehicle family. |
Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.
Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.
Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.
Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.
Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.
Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.
Kairos SpaceOne determined during the flight that Kairos 3 could not achieve its mission objectives and implemented flight interruption measures.
KAIROS Rocket F3 is identified as the third KAIROS rocket (No. 3).
The flight termination system on Kairos 3 was activated during the launch.
Photos of the Kairos Rocket No.3 launch show the rocket producing a visible contrail about 16 seconds after liftoff.
The Kairos Rocket No.3 launch event occurred on March 5, 2026.
Space One (スペースワン株式会社) conducted a second GO/NG decision for the KAIROS F3 launch on March 5, 2026 and the result was GO.
Kairos SpaceOne launched the Kairos 3 vehicle on March 5, 2026 at 11:10:00.
NVS (Necovideo Visual Solutions) provided long-distance camera coverage of the KAIROS Rocket F3 launch.
A photo taken about 1 minute 13 seconds after liftoff shows what appears to be a second explosion during the Kairos Rocket No.3 launch.
Kairos rocket No. 3 is also referred to as Kairos F3.
Space One set the KAIROS F3 launch time as 11:10:00 on March 5, 2026.
Kairos 1 experienced a slow combustion rate that caused a slow initial velocity.
The Kairos Rocket No.3 flight terminated at T+68.8 seconds at an altitude of 29 km and 20 km downrange.
Space One planned a launch attempt for KAIROS F3 at 02:10 UTC on March 5, 2026.
A next KAIROS Rocket No. 3 launch attempt is scheduled for March 5 at 02:10 UTC.
A new launch date for Kairos 3 will be determined and published by SpaceOne.
The gantry at the Kushimoto launch site was ready to retract in preparation for the Kairos-3 launch.
Kairos 3 is described as a private rocket.
Kairos 3 was positioned at a launch facility in Kushimoto Town, Wakayama Prefecture, Japan.
Kairos 3 was scheduled to launch on March 4, 2026 at 11:00:00 Japan Standard Time.