Mitsubishi Heavy IndustriesLaunch SuccessfulResupply

HTV‑X1

Name: H3-24 | HTV-X1
Start: 2025-10-26T00:00:15Z
Location: Yoshinobu Launch Complex LP-2, Tanegashima Space Center, Japan

H3-24

Launched Sun, Oct 26 · 12:00:15 AM UTC2025-10-26 00:00:15 UTCYoshinobu Launch Complex LP-2, Tanegashima Space Center, Japan

Reached orbit

Follow Mitsubishi Heavy Industries in the app Watch the replay

Success

Reached Low Earth Orbit

The second stage shut down at T+13:45 and released the payload at T+14:13.

Worldwide

247th

orbital launch attempt in 2025

Mitsubishi Heavy Industries

2nd

launch this year

Yoshinobu Launch Complex LP-2

2nd

launch from this pad this year

Pad turnaround

265 d 15 h

since the pad's previous launch

Replay

Replay: Launch of New unmanned cargo transfer spacecraft1（HTV-X1） aboard the 7th H3 Launch Vehicle (H3 F7)

The Flight Plan

Planned times, from liftoff at 12:00 AM UTC. The result is at the top of the page.

Ascent6

T+0:0012:00 AMFirst upwards movement of the rocket
T+1:5812:02 AMThe side boosters are separated from the launcher.
T+2:5512:03 AMSeparation of the payload fairing
T+4:5212:05 AMCut-off of the main engine
T+4:5912:05 AMSeparation of the second stage from the first
T+5:1212:05 AMFirst start of the second engine

Second Stage and Payload2

T+13:4512:14 AMFirst cut-off of the second engine
T+14:1312:14 AMFinal deployment of the payload from the rocket

Mission

First flight of the upgraded Japanese HTV-X spacecraft designed to resupply the International Space Station.

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

Updates

Oct 26 · 3:18 AM
Launch success.
Cosmic_Penguin
Oct 26 · 12:17 AM
Spacecraft separation.
Cosmic_Penguin
Oct 26 · 12:12 AM
Official Webcast by JAXA | 宇宙航空研究開発機構 has started
Launch Library 2
Oct 26 · 12:00 AM
Liftoff.
Cosmic_Penguin
Oct 25 · 11:44 PM
Official Webcast by JAXA | 宇宙航空研究開発機構 has started
Launch Library 2

Show earlier updates

Oct 24 · 5:42 AM
Tweaked T-0.
Cosmic_Penguin
Oct 23 · 5:21 AM
Rescheduled for October 26.
Cosmic_Penguin
Oct 19 · 5:06 AM
Launch delayed due to launch site weather, new date TBD.
Cosmic_Penguin
Oct 16 · 5:48 PM
Tweaked T-0.
Cosmic_Penguin
Oct 14 · 1:36 PM
Tweaked T-0
Nosu
Oct 7 · 12:13 AM
Tweaked T-0.
Cosmic_Penguin
Aug 22 · 5:19 AM
GO for launch.
Cosmic_Penguin
Mar 12 · 4:24 PM
NET October.
Cosmic_Penguin
Oct 25 · 6:31 AM
NET September 2025.
Cosmic_Penguin
Jan 9 · 2:30 PM
Tweaked approximate launch date per launch manifest (P.129 of source).
Cosmic_Penguin
Oct 27 · 1:47 AM
NET January 2024
Cosmic_Penguin

H3-24

Vehicle history

Height

63m

Diameter

5.3m

Liftoff thrust

12,142kN

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.

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Mitsubishi Heavy IndustriesLaunch SuccessfulResupply

HTV‑X1

H3-24

Launched Sun, Oct 26 · 12:00:15 AM UTC2025-10-26 00:00:15 UTCYoshinobu Launch Complex LP-2, Tanegashima Space Center, Japan

Reached orbit

Follow Mitsubishi Heavy Industries in the app Watch the replay

Success

Reached Low Earth Orbit

The second stage shut down at T+13:45 and released the payload at T+14:13.

Worldwide

247th

orbital launch attempt in 2025

Mitsubishi Heavy Industries

2nd

launch this year

Yoshinobu Launch Complex LP-2

2nd

launch from this pad this year

Pad turnaround

265 d 15 h

since the pad's previous launch

Replay

Replay: Launch of New unmanned cargo transfer spacecraft1（HTV-X1） aboard the 7th H3 Launch Vehicle (H3 F7)

The Flight Plan

Planned times, from liftoff at 12:00 AM UTC. The result is at the top of the page.

Ascent6

T+0:0012:00 AMFirst upwards movement of the rocket
T+1:5812:02 AMThe side boosters are separated from the launcher.
T+2:5512:03 AMSeparation of the payload fairing
T+4:5212:05 AMCut-off of the main engine
T+4:5912:05 AMSeparation of the second stage from the first
T+5:1212:05 AMFirst start of the second engine

Second Stage and Payload2

T+13:4512:14 AMFirst cut-off of the second engine
T+14:1312:14 AMFinal deployment of the payload from the rocket

Mission

First flight of the upgraded Japanese HTV-X spacecraft designed to resupply the International Space Station.

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

Updates

Oct 26 · 3:18 AM
Launch success.
Cosmic_Penguin
Oct 26 · 12:17 AM
Spacecraft separation.
Cosmic_Penguin
Oct 26 · 12:12 AM
Official Webcast by JAXA | 宇宙航空研究開発機構 has started
Launch Library 2
Oct 26 · 12:00 AM
Liftoff.
Cosmic_Penguin
Oct 25 · 11:44 PM
Official Webcast by JAXA | 宇宙航空研究開発機構 has started
Launch Library 2

Show earlier updates

Oct 24 · 5:42 AM
Tweaked T-0.
Cosmic_Penguin
Oct 23 · 5:21 AM
Rescheduled for October 26.
Cosmic_Penguin
Oct 19 · 5:06 AM
Launch delayed due to launch site weather, new date TBD.
Cosmic_Penguin
Oct 16 · 5:48 PM
Tweaked T-0.
Cosmic_Penguin
Oct 14 · 1:36 PM
Tweaked T-0
Nosu
Oct 7 · 12:13 AM
Tweaked T-0.
Cosmic_Penguin
Aug 22 · 5:19 AM
GO for launch.
Cosmic_Penguin
Mar 12 · 4:24 PM
NET October.
Cosmic_Penguin
Oct 25 · 6:31 AM
NET September 2025.
Cosmic_Penguin
Jan 9 · 2:30 PM
Tweaked approximate launch date per launch manifest (P.129 of source).
Cosmic_Penguin
Oct 27 · 1:47 AM
NET January 2024
Cosmic_Penguin

H3-24

Vehicle history

Height

63m

Diameter

5.3m

Liftoff thrust

12,142kN

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

HTV‑X1

Replay

More Videos

The Flight Plan

Ascent6

Second Stage and Payload2

Mission

Mitsubishi Heavy Industries

Updates

H3-24

HTV‑X1

Replay

More Videos

The Flight Plan

Ascent6

Second Stage and Payload2

Mission

Mitsubishi Heavy Industries

Updates

H3-24

Next From Tanegashima Space Center

Next From Tanegashima Space Center

HTV‑X1

Replay

More Videos

The Flight Plan

Ascent6

Second Stage and Payload2

Mission

Mitsubishi Heavy Industries

Updates

H3-24

Never Miss a Launch.

HTV‑X1

Replay

More Videos

The Flight Plan

Ascent6

Second Stage and Payload2

Mission

Mitsubishi Heavy Industries

Updates

H3-24

Next From Tanegashima Space Center

Never Miss a Launch.

Next From Tanegashima Space Center