1. [1] Asteroid exploration HAYABUSA, JAXA/ISAS,http://www.isas.jaxa.jp/e/enterp/missions/hayabusa/index.shtml
2. [2] Near earth asteroid rendezvous mission, JHUAPL,http://near.jhuapl.edu/
3. [3] Stardust-NASA's comets sample return mission, NSAS/JPL, http://stardust.jpl.nasa.gov/home/index.html
4. [4] Rosetta, NSAS/JPL, http://rosetta.jpl.nasa.gov/index.cfm
5. [5] P.N. Desai and D.T. Lyons, “Entry, descent, and landing operations analysis for the genesis re-entry capsule,” 15th AAS/AIAA Space Flight Mechanics Conference AAS05-121, Colorado, 2005.