Institute of Space and Astronautical ScienceLaunch SuccessfulHeliophysics

Hinotori

Name: Mu-3S | Hinotori
Start: 1981-02-21T00:30:00Z
Location: Mu Center, Uchinoura Space Center, Japan

Mu-3S

Launched Sat, Feb 21 · 12:30 AM UTC1981-02-21 00:30 UTCMu Center, Uchinoura Space Center, Japan

Reached orbit

Follow Institute of Space and Astronautical Science in the app Institute of Space and Astronautical Science updates

Success

Reached Low Earth Orbit

Worldwide

18th

orbital launch attempt in 1981

Institute of Space and Astronautical Science

1st

launch this year

Mu Center

1st

launch from this pad this year

Pad turnaround

369 d 23 h

since the pad's previous launch

Mission

A satellite for the study of solar flares during solar maximum

Launch Provider

Institute of Space and Astronautical Science

Government · Japan

ISAS is a Japanese national research organization of astrophysics using rockets, astronomical satellites and interplanetary probes which played a major role in Japan's space development.

Launches

Successful

75%

Upcoming

scheduled

FliesLambda

All Institute of Space and Astronautical Science launches Website Wikipedia

Mu-3S

Vehicle history

Height

23.8m

Diameter

1.4m

To low Earth orbit

300kg

Liftoff thrust

2,150kN

Space Launch Now for iOS and Android

Notifications before every launch you follow, live countdowns on your home screen and watch, and webcasts as they start.

See what's in the app

Scan to open on your phone

[data-page-skeleton]{display:none}body{display:flex;flex-direction:column}body>footer{order:2}body>main{padding-bottom:0}body:has(>div[hidden][id^="S:"]>[data-data-unavailable]) header[data-site-header]{background:var(--canvas);border-color:var(--rule);color:var(--ink)}body:has(>div[hidden][id^="S:"]>[data-data-unavailable]) [data-header-scrim]{display:none}body>div[hidden][id^="S:"]>[data-data-unavailable]{max-width:calc(var(--container-content) + 2 * var(--s-5));padding:var(--s-9) var(--s-5) 0}body>div[hidden][id^="S:"]:last-of-type{padding-bottom:var(--s-9)}body:has(>div[id^="S:"] [data-app-promo])>div[hidden][id^="S:"]:last-of-type{padding-bottom:0}@layer base{body>div[hidden][id^="S:"]{display:block!important;order:1}}

Institute of Space and Astronautical ScienceLaunch SuccessfulHeliophysics

Hinotori

Mu-3S

Launched Sat, Feb 21 · 12:30 AM UTC1981-02-21 00:30 UTCMu Center, Uchinoura Space Center, Japan

Reached orbit

Follow Institute of Space and Astronautical Science in the app Institute of Space and Astronautical Science updates

Success

Reached Low Earth Orbit

Worldwide

18th

orbital launch attempt in 1981

Institute of Space and Astronautical Science

1st

launch this year

Mu Center

1st

launch from this pad this year

Pad turnaround

369 d 23 h

since the pad's previous launch

Mission

A satellite for the study of solar flares during solar maximum

Launch Provider

Institute of Space and Astronautical Science

Government · Japan

ISAS is a Japanese national research organization of astrophysics using rockets, astronomical satellites and interplanetary probes which played a major role in Japan's space development.

Launches

Successful

75%

Upcoming

scheduled

FliesLambda

All Institute of Space and Astronautical Science launches Website Wikipedia

Mu-3S

Vehicle history

Height

23.8m

Diameter

1.4m

To low Earth orbit

300kg

Liftoff thrust

2,150kN

Next From Uchinoura Space Center

Uchinoura Space Center schedule

NET2026

JV-LOTUSat-1JAXA · Epsilon S · Mu Center, Uchinoura Space Center, JapanSun-Synchronous OrbitTo be determinedNET 2026 Nov—NET

SOLAR-CJAXA · Epsilon S · Mu Center, Uchinoura Space Center, JapanSun-Synchronous OrbitTo be determinedNET November 2028

Space Launch Now for iOS and Android

Notifications before every launch you follow, live countdowns on your home screen and watch, and webcasts as they start.

See what's in the app

Scan to open on your phone

Hinotori

Mission

Institute of Space and Astronautical Science

Mu-3S

Never Miss a Launch.

Hinotori

Mission

Institute of Space and Astronautical Science

Mu-3S

Next From Uchinoura Space Center

Never Miss a Launch.

Next From Uchinoura Space Center