Launch vehicle manufacturer

Institute of Space and Astronautical Science

ISASJapanNo active vehicles

Vehicles6

Active0

Flights flown28

Success rate75%21/28

First flight1966-09-26

Largest to LEO800kg · Mu-3S-II

Institute of Space and Astronautical Science has built 6 orbital launch vehicles in Japan, flying 28 missions between them.

Vehicles

6 vehicles

Vehicle	Flights	Success	LEO kg	Maiden	Status
Mu-3S-II	8	88%	800	1985	Retired
Lambda 4S	5	20%	26	1966	Retired
Mu-3C	4	75%	195	1974	Retired
Mu-3S	4	100%	300	1980	Retired
Mu-4S	4	75%	180	1970	Retired
Mu-3H	3	100%	300	1977	Retired

Specifications from Launch Library 2 by The Space Devs, launch records from Space Index. Derived figures are computed here; see sources and method.