H-IIA

Country of Origin: Japan
Manufacturer: Mitsubishi Heavy Industries

Height: 53 m
Diameter: 4.0 m
Payload to LEO: 10 to 15 tons
Total Mass: 285 to 445 tons

Launch Sites: Tanegashima
First Flight: August 29, 2001
Last Flight: Active
Total Launches: 48
Successful Launches: 47

H2A202

Stage	Diameter	Fuel	Engine	Time	Thrust (Vac.)	ISP (SL / Vac.)
Boosters (SRB-A)	2.5 m	Solid	2 x Solid	120 s	2 x 2260 kN	? / 280 s
1	4 m	LH2 / LO2	LE-7A	390 s	1098 kN	? / 440 s
2	4 m	LH2 / LO2	LE-5B	534 s	137 kN	? / 447 s

H2A2022

Stage	Diameter	Fuel	Engine	Time	Thrust (Vac.)	ISP (SL / Vac.)
Boosters (SRB-A)	2.5 m	Solid	2 x Solid	120 s	2 x 2260 kN	? / 280 s
Boosters (Castor 4XL)	1.22 m	Solid	2 x Solid	60 s		? / 283 s
1	4 m	LH2 / LO2	LE-7A	390 s	1098 kN	? / 440 s
2	4 m	LH2 / LO2	LE-5B	534 s	137 kN	? / 447 s

H2A2024

Stage	Diameter	Fuel	Engine	Time	Thrust (Vac.)	ISP (SL / Vac.)
Boosters (SRB-A)	2.5 m	Solid	2 x Solid	120 s	2 x 2260 kN	? / 280 s
Boosters (Castor 4XL)	1.22 m	Solid	4 x Solid	60 s		? / 283 s
1	4 m	LH2 / LO2	LE-7A	390 s	1098 kN	? / 440 s
2	4 m	LH2 / LO2	LE-5B	534 s	137 kN	? / 447 s