N-I (rocket)
…1,200 kg (2,600 lb) Payload to GTO Mass 360 kg (790 lb) Associated rockets Family Delta Derivative work N-II Launch history Status Retired Launch sites Tanegashima, Osaki Total launches 7 Success(es) 6 Failure 1 First flight 9 September 1975 Last flight 3 September 1982 Boosters – Castor 2 No. boosters 3 Maximum…