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Rocket file · LV-476

Neutron

Rocket Lab · FLIGHTS FILED

Neutron is a reusable launch vehicle built by Rocket Lab. It stands 40.0 m tall, lifts 15,000 kg to low Earth orbit. It hasn't flown yet. Its next flight is Neutron | Maiden Flight for Rocket Lab, no earlier than 2027.

Specification

Vehicle spec sheet

ON FILE
Height40.0 m
Diameter7.0 m
Payload to LEO15,000 kg
Payload to GTONOT ON FILE
Maiden flightNOT ON FILE
ReusableYes, stage recovery
Launch costNOT ON FILE
StatusFLIGHTS FILED

As listed by Launch Library 2. The cost is Launch Library’s figure, not a quoted price. Figures for rockets outside the sixty most-flown were last read on 2026-11-05.

Flight record

Reliability

NO FLIGHTS
Total flights0
Successful0
Failed0
Success rateNO DATA
Landing attempts0
Landing successN/A
Scheduled3

About Neutron

Neutron is an upcoming medium-lift two-stage launch vehicle under development by Rocket Lab. Neutron features a reusable first stage fueled by LOX and Methane.

Upcoming flights

Neutron in the archive

From NASA's public image library and Wikimedia Commons. Each photo shows the credit its licence asks for and links back to where it came from.

Cosmic Rays Liberate Neutrons
Cosmic Rays Liberate NeutronsNASA / JPL · public domainNASA ↗
Neutron Spectrometer Measurements
Neutron Spectrometer MeasurementsNASA / JPL · public domainNASA ↗
Astronomers Find the First 'Wind Nebula' Around a Rare Ultra-Magnetic Neutron Star
Astronomers Find the First 'Wind Nebula' Around a Rare Ultra-Magnetic Neutron StarNASA / GSFC · public domainNASA ↗

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Common questions

How many times has Neutron flown?
Neutron hasn't flown yet, but 3 flights are scheduled.
What is Neutron's success rate?
Neutron hasn't flown, so there's no success rate yet.
When is the next Neutron launch?
Neutron | Maiden Flight, flown by Rocket Lab. It's set for no earlier than 2027 from Rocket Lab Launch Complex 3 (Launch Area 0 D).
How much can Neutron lift to orbit?
Launch Library 2 lists Neutron at 15,000 kg to low Earth orbit.
Is Neutron reusable?
Yes. Launch Library 2 lists Neutron as reusable. On most reusable rockets that's the first stage, not the whole rocket.