1 min readActively Steerable Femtosat Constellations for In-situ Exploration of Saturn’s Rings, Atmosphere, and MagnetosphereLoura HallJul 21, 2026 Article
Michael RubensteinNorthwestern University, Chicago
We propose a mission to use ~10,000 actively steerable femtosats to map the ring composition, atmospheric composition and density, and the magnetic field distribution of Saturn. Conducting in-situ surveys of Saturn’s rings with a single flagship mission, such as Cassini, would carry an unacceptably high risk of mission failure due to particle collisions. However, the distributed nature of the proposed mission means it can accept a risk that could destroy many of femtosats in the constellation, making in-situ survey of the ring possible.
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