H
H3
JAXA / MHI·JapanExpendable
Specifications
Payload to LEO
16,500 kg
Payload to GTO
6,500 kg
Height
57 m
First Flight
2024
Success Rate
75%
Cost per kg
$5,500
Reusable
No
Operator
JAXA / MHI
Payload Comparison
H3 payload to LEO relative to other launch vehicles.
Starship150,000 kg
SLS Block 195,000 kg
Falcon Heavy63,800 kg
New Glenn45,000 kg
Vulcan Centaur27,200 kg
Long March 525,000 kg
Falcon 922,800 kg
Ariane 621,650 kg
Reliability
75%
Moderately Reliable
H3 has demonstrated solid reliability with room for improvement as the platform matures.
Cost Analysis
Estimated launch costs based on $5,500/kg to LEO.
1,000 kg payload
$5.5M
estimated cost
5,000 kg payload
$27.5M
estimated cost
10,000 kg payload
$55.0M
estimated cost