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Here are charts and drawings showing the major characteristics and launch capability of H-IIA Standard Type, and H-IIA Launch Vehicle Family.
Major Characteristics
Major Specifications of the H-IIA launch vehicle
| Length (m) | 53 |
|---|---|
| Liftoff mass (t) | 289 (without payload mass) |
| Guidance Method | Inertial Guidance Method |
| Item | |||||
|---|---|---|---|---|---|
| First Stage | SRB-A | SSB | Second Stage | Payload fairing (4S) |
|
| Length (m) | 37.2 | 15.1 | 14.9 | 9.2 | 12 |
| Diameter (m) | 4 | 2.5 | 1 | 4 | 4.07 |
| Mass (t) | 114 | 151 (2 units) | 31 (2 units) | 20 | 1.4 |
| Propellant mass | 101.1 | 130 (2 units) | 52.4 (2 units) | 16.9 | - |
| Thrust (KN) | 1,098 | 5,040 (2 units) | 1,490 (2 units) | 137 | - |
| Burning time (s) | 390 | 100 | 60 | 530 | - |
| Propellant | Lox/LH2 | Polybutadiene composite solid propellant | Polybutadiene composite solid propellant | Lox/LH2 | - |
| Propellant Loading Method | Turbo pomp | - | - | Turbo pomp | - |
| Specific Impulse (s) | 440 | 283 | 282 | 448 | - |
| Attitude control method | Gimbal engine system Auxiliary engine |
Gimballed nozzle system | Gimballed nozzle system | Gimbal engine system Gas jet system |
- |
| Avionics | Control Systems, Telemetry Transmitter |
- | - | Guidance Navigation, and Control Systems, Rader Transponder, Telemetly Transmitter, Command Destruct Receiver |
- |
Launch Capability (H-IIA Standard)
| Orbit | Altitude | Payloads |
|---|---|---|
| Geosynchronous Transfer Orbit (GTO) |
about 36,000km | about 4t |
| Low Earth Orbit (Inclination:30 degrees |
about 300km | about 10t |
| Sun Synchronous Orbit (Summer/Other seasons) |
about 800km | about 4t / about 3.8t |
| Escape from the Earth Gravitation | Planetary Mission | about 2.5t |
H-IIA Lineup
H-IIA Launch Vehicle can be in various configurations by installing solid rocket boosters (SRB-As) additionally. H-IIA can answer various launch needs of payload size and weight by its family members.
- Currently, only H2A202 and H2A204 types are in operation.