Goldstein, B.; Buffington, A.; Cummings, A. C.; Fisher, R.; Jackson, B. V.; Liewer, P. C.; Mewaldt, R. A.; Neugebauer, M.
(1998-07-19)
The Solar Polar Sail Mission uses solar-sail propulsion to place a spacecraft in a circular orbit 0.48 AU from the Sun with an inclination of 90 °.