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H-II Transfer Vehicle KOUNOTORI (HTV)

The HTV-1 Performed the First Height Adjustment Maneuver

Last Updated: September 16, 2009

On Flight Day 7 (FD7), the HTV-1 successfully performed its first Height Adjustment Maneuver (HAM1) at 9:04 a.m. September 16. The HTV-1 is now flying in a near-circular orbit with apogee altitude 324 km and perigee altitude 305 km, as planned.

On Flight Day 8 (FD8), the HTV-1 is scheduled to perform two more Height Adjustment Maneuvers (HAM0 and HAM3) at 6:24 p.m. and 9:26 p.m. September 17, respectively. With these maneuvers, the HTV-1 will be inserted into the orbit of the ISS. The HTV-1 is expected to arrive at 5 km behind the ISS at 10:59 p.m. September 17.

The next HTV-1 Mission updates will be posted on September 17.

*All times are Japan Standard Time (JST. UTC + 9 hours)

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