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

Neutron

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

Rocket LabDevelopment
Admin
Variants
1
Canonical variants linked to this family.
Historical missions
0
Missions in the public mission table with actual launch dates.
Peak listed capacity
15,000 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
202601
202703
202805
202906
203008
203108
2032010
2033010
2034010
2035012
2036012
2037012
2038012
2039012
2040012
2041012

Forecast Location Split

Performance Specs

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

VariantOrbitCapacityAltitudeInclinationSource
Neutron
LEO15,000 kgUnknownUnknownRocket Lab Reusable Rockets
Neutron
LEO13,000 kgUnknownUnknownRocket Lab Neutron

Recent Missions

Latest launched missions using variants in this family.

MissionVariantLaunch

No recent missions

No launched missions are linked to variants in this family.

Forecasted Missions

Upcoming mission rows with announced launch timing.

MissionVariantAnnounced

No forecasted missions

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

Variants

Canonical variants rolled up into this launch vehicle family.

VariantStagesMissionsStatus
Neutron
Not stated0Development

1 launch location represented.

YearLocationLaunchesConfidenceBasis
2026Wallops Flight Facility / MARS | Launch Complex 3135%Conservative startup-ramp annual family throughput default: Neutron is targeted for debut in late 2026; use early operational ramp, not mature medium-lift cade...
2027Wallops Flight Facility / MARS | Launch Complex 3335%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.
2028Wallops Flight Facility / MARS | Launch Complex 3535%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.
2029Wallops Flight Facility / MARS | Launch Complex 3630%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.
2030Wallops Flight Facility / MARS | Launch Complex 3830%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.
2031Wallops Flight Facility / MARS | Launch Complex 3830%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.
2032Wallops Flight Facility / MARS | Launch Complex 31025%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.
2033Wallops Flight Facility / MARS | Launch Complex 31025%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.
2034Wallops Flight Facility / MARS | Launch Complex 31025%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.
2035Wallops Flight Facility / MARS | Launch Complex 31225%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.
2036Wallops Flight Facility / MARS | Launch Complex 31225%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.
2037Wallops Flight Facility / MARS | Launch Complex 31225%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.
2038Wallops Flight Facility / MARS | Launch Complex 31225%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.
2039Wallops Flight Facility / MARS | Launch Complex 31225%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.
2040Wallops Flight Facility / MARS | Launch Complex 31225%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.
2041Wallops Flight Facility / MARS | Launch Complex 31225%Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated. Site-...
Wallops Flight Facility / MARS | Launch Complex 3
2026 · 35% confidence
1

Conservative startup-ramp annual family throughput default: Neutron is targeted for debut in late 2026; use early operational ramp, not mature medium-lift cadence.

Wallops Flight Facility / MARS | Launch Complex 3
2027 · 35% confidence
3

Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.

Wallops Flight Facility / MARS | Launch Complex 3
2028 · 35% confidence
5

Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.

Wallops Flight Facility / MARS | Launch Complex 3
2029 · 30% confidence
6

Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.

Wallops Flight Facility / MARS | Launch Complex 3
2030 · 30% confidence
8

Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.

Wallops Flight Facility / MARS | Launch Complex 3
2031 · 30% confidence
8

Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.

Wallops Flight Facility / MARS | Launch Complex 3
2032 · 25% confidence
10

Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.

Wallops Flight Facility / MARS | Launch Complex 3
2033 · 25% confidence
10

Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.

Wallops Flight Facility / MARS | Launch Complex 3
2034 · 25% confidence
10

Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.

Wallops Flight Facility / MARS | Launch Complex 3
2035 · 25% confidence
12

Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.

Wallops Flight Facility / MARS | Launch Complex 3
2036 · 25% confidence
12

Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.

Wallops Flight Facility / MARS | Launch Complex 3
2037 · 25% confidence
12

Conservative startup-ramp annual family throughput default: Neutron cadence below previous 16/year upper curve until regular operations are demonstrated.

Neutron
LEO
8,000 kg
Unknown
Unknown
Rocket Lab Reusable Rockets
Neutron
escape1,500 kgUnknownUnknownRocket Lab Neutron Payload User Guide
Track
Mentions
285
All verified mentions of this launch vehicle family in source documents.
0.0-5.0
Actions

Rocket Lab plans to use a new automated tape laying technology to build Neutron composite structures at rates of meters per minute.

CapabilityPlanGrowthValue 4.3Dec 2, 2021Rocket Lab updates Neutron design
Page14of15

Rocket Lab has started discussions with potential Neutron customers including companies planning satellite constellations that Neutron is optimized to deploy.

RelationshipsPlanValue 2.6Dec 2, 2021Rocket Lab updates Neutron design

Rocket Lab will receive $24,300,000 for upper stage development of its future Neutron launch vehicle.

RelationshipsFinancialPlanValue 4.0Sep 25, 2021Blue Origin, Rocket Lab, SpaceX, ULA win Space Force contracts for rocket technology projects

SSC’s Launch Enterprise awarded a FY21 prototype project for Upper Stage Development for Neutron to Rocket Lab for $24,350,000.

RelationshipsFinancialPlanValue 5.0Sep 25, 2021SpaceX, ULA, Rocket Lab + Blue Origin Receive Space Systems Command Prototype Project Contracts

Rocket Lab plans to human-rate Neutron despite having no current plans to launch people on it.

PlanCapabilityValue 3.5Aug 30, 2021Small launch vehicles grow up

Rocket Lab estimates that Electron and Neutron together can launch as much as 98% of commercial and government satellites forecast to launch through the end of the decade.

GrowthGeneralValue 3.0Aug 30, 2021Small launch vehicles grow up

Rocket Lab’s SPAC merger was scheduled to complete in late August and the company set a goal of a first Neutron launch as soon as 2024.

PlanGrowthRelationshipsValue 4.0Aug 30, 2021Small launch vehicles grow up

Rocket Lab announced it was going public through a special-purpose acquisition company and unveiled the Neutron rocket in March.

CapabilityRelationshipsPlanValue 3.0Aug 30, 2021Small launch vehicles grow up

Rocket Lab unveiled the Neutron medium-class rocket in March at the same time it announced the SPAC deal.

PlanGeneralFinancialValue 3.0Aug 26, 2021Rocket Lab closes lower in first day on Nasdaq

Rocket Lab will provide an update on the Neutron rocket later 2021.

PlanValue 2.0Aug 26, 2021Rocket Lab closes lower in first day on Nasdaq

Rocket Lab plans to use the $777,000,000 raised from the SPAC merger to support new initiatives such as the Neutron medium-class rocket.

FinancialPlanGrowthValue 4.0Aug 26, 2021Rocket Lab closes lower in first day on Nasdaq

On 2021-03-01, Rocket Lab proposed a merger with Vector Acquisition Corporation and disclosed intent to develop a medium-class launch vehicle called Neutron.

PlanGeneralValue 4.0Aug 20, 2021Shareholders approve Rocket Lab SPAC deal

Rocket Lab announced plans to build the Neutron launch vehicle with a reusable first stage intended to compete with SpaceX’s Falcon 9.

PlanCapabilityValue 4.0Aug 19, 2021National security launch in transition as Space Force waits for Vulcan

StarBurst will focus on neutron star research using a 250 kg smallsat built by Space Flight Laboratory.

CapabilityGeneralValue 4.0Jun 28, 2021NASA’s StarBurst SmallSat Mission To Be Developed By Space Flight Laboratory

Rocket Lab plans to launch its medium-class Neutron rocket from Wallops using the existing Pad 0-A and to manufacture Neutron at a facility to be built nearby.

PlanGrowthCapabilityValue 4.0Jun 13, 2021New Virginia spaceport head seeks to increase launch activity

Rocket Lab announced plans to build Neutron, a medium-class vehicle capable of placing 8,000 kg into low Earth orbit.

PlanCapabilityValue 4.5Jun 8, 2021Relativity raises $650 million round, announces Terran R rocket

Rocket Lab operates the Electron small rocket and plans to develop a larger Neutron vehicle to compete with SpaceX’s Falcon 9.

PlanCapabilityGrowthValue 4.2Jun 2, 2021Launch executives see booming demand despite gloomy forecasts

Rocket Lab developed the Electron small launch vehicle and the Photon satellite bus and plans to develop a medium-class launcher called Neutron.

PlanCapabilityGeneralValue 4.0Jun 1, 2021New Zealand signs Artemis Accords

Rocket Lab’s Neutron launch vehicle under development is an 8,000 kg-class rocket designed for propulsive landing.

CapabilityValue 4.0Apr 11, 2021Rocket Lab’s Next Mission To Attempt The Recover Of The Electron Rocket’s Booster

Rocket Lab developed a launch facility at Wallops for its Electron rocket and will also use Wallops for its Neutron medium-class rocket while building a factory near the launch site to minimize transportation issues.

PlanGrowthCapabilityValue 4.5Mar 8, 2021Georgia spaceport proponents upbeat despite latest delay