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Neutron

Neutron familyRocket LabRetiredReusable

Next flightNeutron | Maiden FlightNET Q4 2026

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.

Neutron vehicle

Specifications

Thrust
5,960 kN
Height
40 m
Diameter
7 m
Launch mass
480 t
Stages
2
Launch cost
$50M
LEO capacity
15,000 kg

Specifications from Launch Library. Figures the operator has not published are omitted.

Flight record

0flightswith a definitive outcome
0success streakcurrent

Counted from padside's own launch record, the same basis as the stats page.

Flights

No completed launches on record yet.