Updated Launch Schedule of the H-II Transfer Vehicle KOUNOTORI8 aboard the H-IIB Vehicle No. 8

Mitsubishi Heavy Industries, Ltd. (MHI) has revised the launch schedule of the H-IIB Launch Vehicle No. 8 (H-IIB F8) which carries aboard the H-II Transfer Vehicle "KOUNOTORI8" (HTV8), the cargo transporter to the International Space Station (ISS) from the JAXA Tanegashima Space Center.

The following changes will be made based on the results of the latest orbit based analysis (※ 1) of the International Space Station and Soyuz spacecraft. It was revealed there’s a possibility that the 2nd stage of H-IIB rocket after separation from "KOUNOTORI8" may approach the Soyuz spacecraft.

*1: COLlision Avoidance Analysis to prevent collision between the rocket and debris from the rocket and manned space systems (Space Station, etc.) in orbit after launching the rocket. The launch was previously rescheduled for September 24, 2019.
Updated launch schedule is as follows.
    Launch Date : Wednesday, September 25, 2019
    Launch Time : 1:05 am (Japan Standard Time, JST) *1
    Launch Window : September 26 through October 31, 2019 *2

    *1) The launch time is subject to change as the ISS orbit is updated.
    *2) Launch time and date during this period are pending, determined by the ISS operations and other status.