H3-22 | Michibiki 5 (QZS-5)
To Be Determined
L - -- : -- : -- : --
H3ロケット8号機の打上げの様子を現地、種子島宇宙センターからライブ配信します。 The launch of H3 Rocket F8 will be broadcast live from the Tanegashima Space Center. This time as well, we plan to conduct live coverage of the launch of the H3 Rocket F7. 打上げ予定日（Launch Date）：2025.12.17 打上げ予定時刻（Launch Time）：11:10'00" +0900 (JST) 打上げ時間帯 ： 11時10分00秒～11時24分30秒 予備期間（Preliminary duration）： 2025/12/18～2026/01/31 ペイロード衛星（Payload）：準天頂衛星システム「みちびき5号機」（QZS-5） 打上げ前会見 Pre Launch …
QZSS (Quasi Zenith Satellite System) is a Japanese satellite navigation system operating from inclined, elliptical geosynchronous orbits to achieve optimal high-elevation visibility in urban canyons and mountainous areas. The navigation system objective is to broadcast GPS-interoperable and augmentation signals as well as original Japanese (QZSS) signals from a three-spacecraft constellation. The navigation system objective is to broadcast GPS-interoperable and augmentation signals as well as original Japanese (QZSS) signals from a three-spacecraft constellation in inclined, elliptical geosynchronous orbits.
Scrubbed for the day.
Hold at T-13 seconds.
Tweaked T-0.
Tweaked launch window.
Rescheduled for December 17.
The H3 Launch Vehicle is a Japanese expendable launch system. Each H3 booster configuration has a two-digit and a letter designation that indicates the features of that configuration. The first digit represents the number of LE-9 engines on the main stage, either "2" or "3". The second digit indicates the number of SRB-3 solid rocket boosters attached to the base of the rocket, and can be "0", "2" or "4". All layouts of solid boosters are symmetrical. The letter in the end shows the length of the payload fairing, either short "S" or long "L". For example, an H3-24L has two engines, four solid rocket boosters, and a long fairing, whereas an H3-30S has three engines, no solid rocket boosters, and a short fairing.
See DetailsMitsubishi Heavy Industries, Ltd. is a Japanese multinational engineering, electrical equipment and electronics company headquartered in Tokyo, Japan. MHI is one of the core companies of the Mitsubishi Group. MHI's products include aerospace components, air conditioners, aircraft, automotive components, forklift trucks, hydraulic equipment, machine tools, missiles, power generation equipment, printing machines, ships and space launch vehicles. Through its defense-related activities, it is the world's 23rd-largest defense contractor measured by 2011 defense revenues and the largest based in Japan.
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