Retired· Mitsubishi Heavy Industries

N-I

The N-I or N-1 was a derivative of the American Thor-Delta rocket, produced under licence in Japan.

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Launches

since Sep 1975

Success rate

85.7%

6 of 7 successful

In a row

successful launches

Launches per Year

Full year2026 so far

Specifications

Height: 34 m
Diameter: 2.44 m
Liftoff mass: 131 t
To low Earth orbit: 1,200 kg
To geostationary transfer: 360 kg
Stages: 2 to 3
First flight: September 9, 1975
Manufacturer: Mitsubishi Heavy Industries

Next Launches

No Upcoming Launches

No launch is scheduled for this vehicle right now.

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