Launcher

H-III

Expendable two-stage hydrolox medium-lift launcher in the H-II launcher family of Japanese launchers, used to launch to the H-II Transfer Vehicle (HTV).

Launcher Info

Status
In Service
Maximum Performance
Medium-Lift
Type
Rocket Launcher
Reusability

Launcher Cofigurations

Tab 1
Tab 2
Tab 3

Related Links

No items found.

Additional Background

Launches From

Mitsubishi Heavy Industries
Active
Japan

Engines

Mitsubishi Heavy Industries
In Service
Liquid
Hydrogen
Oxygen
Mitsubishi Heavy Industries
In Service
Liquid
Hydrogen
Oxygen

Common Payloads

No items found.

Company

Publicly-Traded
Active Business

Operated By

No items found.

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Service History

First flying in early 2023, it has two more times since. It's current manifest stretches into 2033 (with a low flight-rate).

Development History

A joint effort by MHI Launch Services and JAXA, H-III was developed to provide launch capabilities for a variety of commercial satellites - whether Japanese or otherwise. The JAXA side of the work was authorized in 2013. the LE-9 engine was developed to power the first-stage of the H-III.

Launch Manifest

30 Oct 2024

DSN-3

Launch Time (UTC)
2024-11-04 6:48
Launch Time (Local)
2024-11-04 15:48
Local Timezone
Japan Standard Time UTC+9

Being launched by

Mitsubishi Heavy Industries

Launching from 

LA-Y2

Tanegashima Space Center
Tanegashima, Kagoshima, Japan

Launch to augment the existing X-Band communications capabilities of the Japanese military.

Launch History

No items found.
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H3-30S
Configuration with three LE-9 engines on the first stage, no strap-on solid-fueled boosters, and a standard payload fairing.
Configuration Service Status
In Service
Mass to LEO Classification
Medium-Lift
Performance
Orbit
Mass to Orbit (kg)
Low-Earth Orbit (LEO)
No Data
Sun-Synchronous Orbit (SSO)
No Data
Geostationary Transfer Orbit (GTO)
No Data
Geostationary Orbit (GSO)
No Data
Lunar Transfer Orbit (LTO)
No Data
Mars Transfer Orbit (MTO)
No Data
Specs
Orbit
Mass to Orbit (kg)
Length
63
No Data
Diameter
63
No Data
Dry Mass
No Data
Pressurized Volume
No Data
No detailed launcher stage information is available.
H3-24S
Configuration with two LE-9 engines on the first stage, four strap-on solid-fueled boosters, and a standard payload fairing.
Configuration Service Status
In Service
Mass to LEO Classification
Medium-Lift
Performance
Orbit
Mass to Orbit (kg)
Low-Earth Orbit (LEO)
No Data
Sun-Synchronous Orbit (SSO)
No Data
Geostationary Transfer Orbit (GTO)
8800
No Data
Geostationary Orbit (GSO)
No Data
Lunar Transfer Orbit (LTO)
6000
No Data
Mars Transfer Orbit (MTO)
No Data
Specs
Orbit
Mass to Orbit (kg)
Length
63
No Data
Diameter
63
No Data
Dry Mass
No Data
Pressurized Volume
No Data
No detailed launcher stage information is available.
H3-22L
Configuration with two LE-9 engines on the first stage, two strap-on solid-fueled boosters, and a lengthened payload fairing.
Configuration Service Status
In Service
Mass to LEO Classification
Medium-Lift
Performance
Orbit
Mass to Orbit (kg)
Low-Earth Orbit (LEO)
No Data
Sun-Synchronous Orbit (SSO)
No Data
Geostationary Transfer Orbit (GTO)
No Data
Geostationary Orbit (GSO)
No Data
Lunar Transfer Orbit (LTO)
No Data
Mars Transfer Orbit (MTO)
No Data
Specs
Orbit
Mass to Orbit (kg)
Length
63
No Data
Diameter
63
No Data
Dry Mass
No Data
Pressurized Volume
No Data
No detailed launcher stage information is available.
H3-22S
Configuration with two LE-9 engines on the first stage, four strap-on solid-fueled boosters, and a standard payload fairing.
Configuration Service Status
In Service
Mass to LEO Classification
Medium-Lift
Performance
Orbit
Mass to Orbit (kg)
Low-Earth Orbit (LEO)
4000
No Data
Sun-Synchronous Orbit (SSO)
No Data
Geostationary Transfer Orbit (GTO)
No Data
Geostationary Orbit (GSO)
No Data
Lunar Transfer Orbit (LTO)
No Data
Mars Transfer Orbit (MTO)
No Data
Specs
Orbit
Mass to Orbit (kg)
Length
63
No Data
Diameter
63
No Data
Dry Mass
No Data
Pressurized Volume
No Data
No detailed launcher stage information is available.