ISAS Mu-3S-II Yohkoh
Mu-3S-II
Status
Success
Date
30 AUG 1991
02:30
Launch Provider
Institute of Space and Astronautical Science
Launch Pad
Mu Center
Uchinoura Space Center, Japan
Mission Overview
The objective of Solar A or Yohkoh (Japanese for sunbeam) is to study the high-energy radiations from solar flares (hard and soft X-rays and energetic neutrons) as well as quiet structures and pre-flare conditions. The mission is a successor to Hinotori, a previous Japanese spacecraft flown at the previous solar activity maximum in 1981.
Rocket
Mu-3S-II
Mission Type
Earth Science
Orbit
Low Earth Orbit
Stages
4
Livestream
Not availableRocket Details
The Mu, also known as M, was a series of Japanese solid-fuelled carrier rockets, which were launched from Uchinoura between 1966 and 2006. Originally developed by Japan's Institute of Space and Astronautical Science, Mu rockets were later operated by Japan Aerospace Exploration Agency following ISAS becoming part of it.
Height
27.8 m
Diameter
1.41 m
Launch Mass
61 T
Thrust
1,930 kN