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| subject: | 12\02 Japan - H-IIA F4- Daily Rpt |
This Echo is READ ONLY ! NO Un-Authorized Messages Please! ~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ NASDA, Japan 2002/12/02 ADEOS-II Orbit -- 12 days before a launch -- ================================================ In the Spacecraft and Fairing Assembly Building, encapsulation operations of the Advanced Earth Observing Satellite-II (ADEOS-II) are still continuing. On Nov. 30 and Dec. 1, the fairing separation mechanism, such as pyrotechnics and separation bolts, was installed. The mechanism is necessary for jettisoning the fairing during flight. The payload fairing will be jettisoned in approximately four minutes and 20 seconds after liftoff. After the jettison, subsequent flight events, including first and second stages separation, second stage engine ignition and cutoff, and second stage coast flight, will occur, and, in about 16 minutes after liftoff, ADEOS-II will be separated from the launch vehicle and injected into its orbit. The altitude at the separation is scheduled to be approximately 800 km. ADEOS-II will be injected into sun-synchronous subrecurrent orbit, which circulates around the earth vertically, and ADEOS-II will make one revolution around the earth in about 101 minutes. In this type of orbit, a satellite comes back to pass over one specific location on the earth every few days thus the orbit has its advantage to enable a satellite to observe a specific location in a constant manner. ADEOS-II will come back to the same position every four days. - End of File - ================ ---* Origin: SpaceBase[tm] Vancouver Canada [3 Lines] 604-473-9357 (1:153/719) SEEN-BY: 633/267 270 @PATH: 153/719 715 7715 140/1 106/2000 1 379/1 633/267 |
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