The H-IIA Launch Vehicle No. 18 is a "H2A202" model with two solid rocket boosters (SRBs). The fairing design is 4S (4 meters in diameter.) Mitsubishi Heavy Industries, Ltd. is in charge of the launch service of the H-IIA.
*) When the maximum combustion pressure reaches 2%
**) Thrust strut cutoff
H-IIA Launch Vehicle No. 18 Mission
The mission of the H-IIA Launch Vehicle No. 18 is to inject its main payload, the Quasi-Zenith Satellite-1 "MICHIBIKI", into its scheduled orbit.F18 Launch Sequence
| Event | Time [min:sec] | Altitude (km) | Inertial speed (km/s) |
|
|---|---|---|---|---|
| 1 | Liftoff | 0 | 0 | 0.4 |
| 2 | Solid rocket booster burnout* | 1:37 | 45 | 1.4 |
| 3 | Solid rocket booster jettison** | 1:47 | 54 | 1.5 |
| 4 | Payload fairing jettison | 4:10 | 150 | 2.6 |
| 5 | 1st stage engine (main engine) cutoff (MECO) | 6:36 | 228 | 5.2 |
| 6 | 1st and 2nd stages separation | 6:44 | 223 | 5.2 |
| 7 | 2nd stage 1st ignition (SEIG1) | 6:50 | 236 | 5.2 |
| 8 | 2nd stage engine 1st cutoff (SECO1) | 12:32 | 288 | 7.7 |
| 7 | 2nd stage 2nd ignition (SEIG2) | 24:34 | 256 | 7.7 |
| 8 | 2nd stage engine 2nd cutoff (SECO2) | 27:35 | 254 | 10.2 |
| 9 | MICHIBIKI separation | 28:26 | 275 | 10.2 |
*) When the maximum combustion pressure reaches 2%
**) Thrust strut cutoff