N-II Launch Vehicle

Operation Finished



N-II rocket is three-stage launch vehicles employing the U.S "Thor-Delta Rockets" technology and used for launching experiments, communications, broadcasting, meteorological and earth observation satellites. N-II was utilized in a total of 8 launches from 1981 to 1987.

Principal specifications

Overall length 35.36m
Diameter 2.44m
Total weight 135.2t (payload not included)
Guidance system Inertial guidance system

Launch Records

Flight No.Launch DatePayload
N7F 2/11/1981 Engineering Test Satellite IV "KIKU-3"(ETS-IV)
N8F 8/11/1981 Geostationary Meteorological Satellite-2 "Himawari-2"(GMS-2)
N10F 2/4/1983 Communication Satellite-2a "Sakura-2a"(CS2a)
N11F 8/6/1983 Communication Satellite-2b "Sakura-2b"(CS2b)
N12F 1/23/1984 Broadcasting Satellite-2a "Yuri-2a"(BS2a)
N13F 8/3/1984 Geostationary Meteorological Satellite-3 "Himawari-3"(GMS-3)
N14F 2/12/1986 Broadcasting Satellite-2b "Yuri-2b"(BS2b)
N16F 2/19/1987 Marine Observation Satellite-1 "Momo-1"(MOS-1)