HTV-X 1

Liftoff Time (GMT)

01:58:00

Tuesday October 21, 2025

Mission Details

Launch Notes

The first flight of HTV-X.

HTV-X 1

Wiki

HTV-X 1 is the maiden flight of HTV-X. It is designed to be more affordable compared to the original H-II Transfer Vehicle (HTV). Like its predecessor, HTV-X vehicle will transport cargo to the International Space Station.

Low Earth Orbit

1 Payload

Rocket

Active
H3-24L

Active Since 2025

Mitsubishi Heavy Industries logo

Agency

MHI

Price

$50.00 million

Rocket

Height: 69m

Payload to Orbit

GTO: 6,500 kg

Liftoff Thrust

12,142 Kilonewtons

Fairing

Diameter: 5.27m

Height: 16.4m

Stages

2

Strap-ons

4

Launch Site

General Trajectory

E

S

Launching

Southeast

LA-Y2

Tanegashima Space Center, Japan

Fastest Turnaround

90 days 1 hour

Stats

H3


6th

Mission

2nd

Mission of 2025

2025


237th

Orbital launch attempt