Mitsubishi Heavy IndustriesLaunch SuccessfulEarth Science

Ajisai

Name: H-1 | Ajisai
Start: 1986-08-12T20:45:00Z
Location: Osaki Launch Complex, Tanegashima Space Center, Japan

H-1

Launched Tue, Aug 12 · 8:45 PM UTC1986-08-12 20:45 UTCOsaki Launch Complex, Tanegashima Space Center, Japan

Reached orbit

Follow Mitsubishi Heavy Industries in the app Mitsubishi Heavy Industries updates

Success

Reached Low Earth Orbit

Worldwide

66th

orbital launch attempt in 1986

Mitsubishi Heavy Industries

1st

launch this year

Osaki Launch Complex

2nd

launch from this pad this year

Pad turnaround

181 d 12 h

since the pad's previous launch

Mission

Japanese geodesy satellite used to test the H-1 launch vehicle

Launch Provider

Mitsubishi Heavy Industries

Commercial · Japan · Founded 1884 · President Seiji Izumisawa

Mitsubishi Heavy Industries, Ltd. is a Japanese multinational engineering, electrical equipment and electronics company headquartered in Tokyo, Japan. MHI is one of the core companies of the Mitsubishi Group. MHI's products include aerospace components, air conditioners, aircraft, automotive components, forklift trucks, hydraulic equipment, machine tools, missiles, power generation equipment, printing machines, ships and space launch vehicles. Through its defense-related activities, it is the world's 23rd-largest defense contractor measured by 2011 defense revenues and the largest based in Japan.

Launches

Successful

97%

Upcoming

scheduled

FliesH-I H-II H-III Kounotori HTV

All Mitsubishi Heavy Industries launches Website Wikipedia

H-I

Vehicle history

Height

42m

Diameter

2.4m

To low Earth orbit

3,200kg

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}}

Mitsubishi Heavy IndustriesLaunch SuccessfulEarth Science

Ajisai

H-1

Launched Tue, Aug 12 · 8:45 PM UTC1986-08-12 20:45 UTCOsaki Launch Complex, Tanegashima Space Center, Japan

Reached orbit

Follow Mitsubishi Heavy Industries in the app Mitsubishi Heavy Industries updates

Success

Reached Low Earth Orbit

Worldwide

66th

orbital launch attempt in 1986

Mitsubishi Heavy Industries

1st

launch this year

Osaki Launch Complex

2nd

launch from this pad this year

Pad turnaround

181 d 12 h

since the pad's previous launch

Mission

Japanese geodesy satellite used to test the H-1 launch vehicle

Launch Provider

Mitsubishi Heavy Industries

Commercial · Japan · Founded 1884 · President Seiji Izumisawa

Launches

Successful

97%

Upcoming

scheduled

FliesH-I H-II H-III Kounotori HTV

All Mitsubishi Heavy Industries launches Website Wikipedia

H-I

Vehicle history

Height

42m

Diameter

2.4m

To low Earth orbit

3,200kg

Next From Tanegashima Space Center

Tanegashima Space Center schedule

NET2026

ETS-9Mitsubishi Heavy Industries · H3-22 · Yoshinobu Launch Complex LP-2, Tanegashima Space Center, JapanGeostationary Transfer OrbitTo be determinedNET 2026 Jun30Wed

IGS Optical Diversification 1Mitsubishi Heavy Industries · H3-30 · Yoshinobu Launch Complex LP-2, Tanegashima Space Center, JapanSun-Synchronous OrbitTo be determinedTime TBD

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

Ajisai

Mission

Mitsubishi Heavy Industries

H-I

Never Miss a Launch.

Ajisai

Mission

Mitsubishi Heavy Industries

H-I

Next From Tanegashima Space Center

Never Miss a Launch.

Next From Tanegashima Space Center