[1] Kyushu Inst Technol, Kitakyushu, Fukuoka 8048550, Japan
[2] USAF, Res Lab, Albuquerque, NM 87117 USA
[3] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA
[4] ESA, NL-2200 AG Noordwijk, Netherlands
[5] MIT, Space Prop Lab, Cambridge, MA 02139 USA
[6] Off Natl Etud & Rech Aerosp, F-31055 Toulouse, France