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E2E mission performance Simulators for Space Science missions

Over the course of this study we have convinced ourselves of the benefits of a reference architecture in particular and of an end-to-end simulator in general. Our arguments have mostly been technical ones, but the reality is that it can only be sold to the space science community by successfully making the case that it improves the science return of the mission.

Portugal

13-003-b

Deimos Portugal
Weak GNSS Signal Navigation on the Moon

Global Navigation Satellite Systems (GNSS) are already used in space missions (e.g. GOCE, Swarm, Sentinel, and MetOp, among others), not only as a navigation sensor (either for autonomous orbit and attitude determination or for relative navigation) but also as a science instrument (e.g. for altimetry, global geodesy, Radio Occultation and GNSS Reflectometry applications). However, its use is usually limited to orbits or mission phases below the orbits of GNSS satellites, since GNSS satellite antennas transmit mainly in the Earth's direction.

Portugal

13-071

Deimos

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