M 5
Launch vehicle M 5
Launch site Kagoshima Space Centre, Kagoshima, Kyushu, Japan
Date/Time 2000-02-10 01:30
Description First stage failure
Cause Fatigue
Payload Astro E (X-ray observatory, NASDA, Japan)
Desired orbit circular, approximately 550 kilometers

The rocket malfunctioned less than a minute into flight, leaving the payload in a useless 80-km orbit.

Officials with Japan's Institute of Space and Astronautical Science blamed a crack in a first-stage engine nozzle for the failure. The rocket veered off course and lost speed.

Launch Failures Chronology