In DevelopmentRocket LabFirst Launch: 2026-06-30
Neutron
Partially reusable medium-lift rocket under development by Rocket Lab, featuring a distinctive 'Hungry Hippo' hinged fairing integrated into the first stage.
SpaceStats Reliability & Flight Record
TOTAL LAUNCHES
0
Orbital missions
SUCCESSFUL
0
0 failures
SUCCESS RATE
0.0%
LANDINGS
0
Reusable First Stage
Rocket LabFeatured Photography
Rocket Lab Neutron Reusable Medium-Lift Launcher
Rocket Lab
Technical & Propulsion Specifications
Operator: Rocket LabVehicle Dimensions & Mass
- Overall Height
- 43 m
- Body Diameter
- 7 m
- Gross Lift-off Mass
- 480 t
- Stages Count
- 2
- Fairing Diameter
- 5 m
Stage 1 (Booster)
- Recovery Mode
- Reusable VTVL
Stage 2 & Capacities
- LEO Capacity
- 13 t
- Cost per Launch
- $50,000,000
- LEO Price / kg
- ~$3,846 / kg
Fleet Deployment & Economics Suite
Model Satellite Constellations or Payload Charters with Neutron
Calculate multi-plane Walker Delta fleet costs, fairing dispenser limits, launch cadence timelines, and single-mission rideshare economics.
High-Resolution Photo Gallery & Media
2 photos & renders of Neutron
View Fullscreen
Pad2024-03-01Rocket Lab Neutron Reusable Medium-Lift Launcher
Rocket Lab's next-generation 43-meter carbon composite Neutron rocket designed for mega-constellation deployment.
Rocket Lab
Source 
View Fullscreen
Engine2024-08-08Archimedes Methalox Engine Hot-Fire Test
Archimedes oxygen-rich staged combustion engine hot-fire test at NASA Stennis Space Center.
Rocket Lab
Source SpaceStats Launch Manifest & Database
0 mission records cataloged in database
No individual manifest entries logged in database for Neutron.
Summary stats and flight achievements are detailed in the overview above.