Aladdin: Sample Collection from the Moons of Mars

Statistics – Computation

Scientific paper

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Deimos, Phobos, Soil Sampling, Mars Sample Return Missions, Ejecta, Projectile Cratering

Scientific paper

Aladdin was proposed as a Discovery Mission to obtain samples from the enigmatic Martian moons, Phobos and Deimos, and to return them to Earth. Do the moons share a common origin with Mars, or could they be derived from Martian materials? Are the moons captured primitive bodies from the outer solar system, that may have delivered volatiles and organics to the Martian system? These questions are fundamental to understanding the formation of the Martian system and the early histories of water and other volatiles on Mars. Aladdin uses an innovative "launch and capture" technique to sample Phobos and Deimos. The spacecraft will launch projectiles targeted at specific geological units on the satellites' surfaces and collect ejecta excavated by the impact on a "flying carpet" at low velocity (about 1 km/s). Repeated encounters with both moons provide redundant opportunities for sampling. We present an overview of the sampling technique, laboratory tests, and the computational model used to calculate Aladdin's sample yield.

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