Polaris Intelligence
Polaris
Intelligence
About
Ctrl K
Sign in
© Polaris Intelligence 2026
PrivacyTermsAdmin
Launch Vehicles
Vehicle family profile

Kairos

Family-level launch record combining canonical variants, historical missions, public cadence forecasts, and available payload performance specs.

Manufacturer unknownActive
Admin
Variants
1
Canonical variants linked to this family.
Historical missions
3
Missions in the public mission table with actual launch dates.
Peak listed capacity
150 kg
Maximum payload capacity across listed variants and orbits.

Launch Cadence

Historical missions are grouped by actual launch year. Forecast cadence uses family-level launch-rate rows.

YearHistorical missionsForecast launches
202420
202611
202701
202801
202901
203001
203101
203201
203301
203401
203501
203601
203701
203801
203901
204001
204101

Performance Specs

Payload capacity by variant and target orbit when structured capacity rows are available.

VariantOrbitCapacityAltitudeInclinationSource
Kairos
SSO150 kg500 kmUnknownSpace One official KAIROS service page

Recent Missions

Latest launched missions using variants in this family.

MissionVariantLaunch
Launch 2026-F04
Kairos
Mar 5, 2026
Launch 2024-F04
Kairos
Dec 18, 2024
Launch 2024-F01
Kairos
Mar 13, 2024

Forecasted Missions

Upcoming mission rows with announced launch timing.

MissionVariantAnnounced

Variants

Canonical variants rolled up into this launch vehicle family.

VariantStagesMissionsStatus
Kairos
Not stated3Active

Forecast Location Split

1 launch location represented.

YearLocationLaunchesConfidenceBasis
2026Spaceport Kii125%Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.
2027Spaceport Kii125%Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.
2028Spaceport Kii125%Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.
2029Spaceport Kii125%Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.
2030Spaceport Kii125%Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.
2031Spaceport Kii125%Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.
2032Spaceport Kii125%Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.
2033Spaceport Kii125%Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.
2034Spaceport Kii125%Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.
2035Spaceport Kii125%Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.
2036Spaceport Kii125%Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.
2037Spaceport Kii125%Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.
2038Spaceport Kii125%Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.
2039Spaceport Kii125%Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.
2040Spaceport Kii125%Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.
2041Spaceport Kii125%Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.
Spaceport Kii
2026 · 25% confidence
1

Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.

Spaceport Kii
2027 · 25% confidence
1

Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.

Spaceport Kii
2028 · 25% confidence
1

Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.

Spaceport Kii
2029 · 25% confidence
1

Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.

Spaceport Kii
2030 · 25% confidence
1

Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.

Spaceport Kii
2031 · 25% confidence
1

Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.

No forecasted missions

No upcoming announced mission rows are linked to this vehicle family.

Track
Spaceport Kii
2032 · 25% confidence
1

Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.

Spaceport Kii
2033 · 25% confidence
1

Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.

Spaceport Kii
2034 · 25% confidence
1

Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.

Spaceport Kii
2035 · 25% confidence
1

Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.

Spaceport Kii
2036 · 25% confidence
1

Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.

Spaceport Kii
2037 · 25% confidence
1

Catalog-completeness placeholder for active KAIROS family; not used by latest forecast capacity snapshot.

Mentions
117
All verified mentions of this launch vehicle family in source documents.
0.0-5.0
Actions

QuantX Labs’ KAIROS program is aimed at developing precision timing technologies for space applications.

CapabilityValue 3.2Jul 21, 2026QuantX Labs reports successful in-orbit commissioning of optical frequency comb

QuantX Labs’ optical frequency comb mission is part of the KAIROS program.

General
Page1of6
Value 2.3
Jul 21, 2026
QuantX Labs reports successful in-orbit commissioning of optical frequency comb

Space One’s Kairos rocket has not yet achieved a successful orbital launch.

PlanValue 2.2Jul 20, 2026Vikram-1: A success for India’s entire space ecosystem

Kairos’s maiden launch in March 2024 ended in an explosion seconds after liftoff, and its second and third attempts also failed.

PlanGeneralValue 4.0Jul 20, 2026Vikram-1: A success for India’s entire space ecosystem

Space One provided no technical reason for terminating the Kairos flight beyond determining that success was difficult.

PlanGeneralValue 2.0Mar 6, 2026Space One Rocket Fails Third Consecutive Flight

Kairos is the first rocket developed by Space One.

GeneralCapabilityValue 3.0Mar 6, 2026Fracasa el tercer lanzamiento del cohete Kairós de la empresa japonesa Space One

The first Kairos launch attempt in March 2024 ended in an explosion seconds after liftoff due to a thrust prediction error.

CapabilityPlanValue 4.0Mar 6, 2026Fracasa el tercer lanzamiento del cohete Kairós de la empresa japonesa Space One

Space One’s Kairos rocket logged its third consecutive launch failure.

GeneralCapabilityValue 2.5Mar 6, 2026Space One Rocket Fails Third Consecutive Flight

Kairos carried five payloads on the failed flight, including satellites from Tokyo-based ArkEdge Space and the Taiwan Space Agency.

GeneralValue 4.0Mar 6, 2026Space One Rocket Fails Third Consecutive Flight

Kairos consists of three solid-fuel stages topped by a liquid-propulsion upper stage.

CapabilityValue 4.0Mar 6, 2026Fracasa el tercer lanzamiento del cohete Kairós de la empresa japonesa Space One

Space One terminated the Kairos launch approximately 69 seconds into flight on Wednesday.

GeneralValue 3.5Mar 6, 2026Space One Rocket Fails Third Consecutive Flight

Space One aborted the Kairos flight 69 seconds after liftoff at 11:10 local time.

PlanGeneralValue 3.0Mar 6, 2026Fracasa el tercer lanzamiento del cohete Kairós de la empresa japonesa Space One

Kairos is 18 meters tall and has a mass of 23 tonnes.

CapabilityValue 4.0Mar 6, 2026Fracasa el tercer lanzamiento del cohete Kairós de la empresa japonesa Space One

A December 2024 Kairos launch failed due to an attitude-control problem.

CapabilityPlanValue 4.0Mar 6, 2026Fracasa el tercer lanzamiento del cohete Kairós de la empresa japonesa Space One

Space One has recorded three consecutive failed Kairos launches in its effort to become the first private company to place a commercial satellite into orbit from Japan.

GeneralGrowthValue 3.5Mar 6, 2026Fracasa el tercer lanzamiento del cohete Kairós de la empresa japonesa Space One

The Kairos rocket developed by Space One failed on 5 March when its third launch attempt from the Kii base in Kushimoto, Japan was unsuccessful.

PlanCapabilityValue 4.0Mar 6, 2026Fracasa el tercer lanzamiento del cohete Kairós de la empresa japonesa Space One

All payloads on board Kairos were lost when the rocket tore apart during its tumble back to Earth.

GeneralCapabilityValue 4.0Mar 6, 2026Space One Rocket Fails Third Consecutive Flight

The Kairos vehicle on the failed flight was carrying five satellites, including one from the Taiwan Agency of Space Administration (TASA) and one from ArkEdge Space, planned for deployment at an altitude of 500 kilometers.

PlanGeneralValue 4.0Mar 6, 2026Fracasa el tercer lanzamiento del cohete Kairós de la empresa japonesa Space One

Kairos can place up to 150 kilograms of payload into sun-synchronous orbit.

CapabilityGeneralValue 4.0Mar 6, 2026Fracasa el tercer lanzamiento del cohete Kairós de la empresa japonesa Space One

The launch termination occurred before the Kairos rocket reached the fairing separation stage.

PlanGeneralValue 1.8Mar 6, 2026Space One Rocket Fails Third Consecutive Flight