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  • Lunar Orbit
  • Lunar Pathfinder
upon request
< 18 months

Service Description

The Lunar Pathfinder spacecraft is designed to provide affordable communications services to lunar missions via S-band and UHF links to lunar assets on the surface and in orbit around the Moon, and an X-band link to Earth.

ESA and NASA have signed an MoU in June 2022 and agreed to have NASA to provide a rideshare to lunar orbit for the Lunar Pathfinder spacecraft in 2025 and ESA to provide NASA with access to the Lunar Pathfinder lunar relay communication services.

The Lunar Pathfinder services will be a mission enabler for polar and far-side missions, which, without direct line of sight of the Earth, would otherwise have to procure their own communications relay spacecraft.

Lunar Pathfinder is complementary to Direct-to-Earth communication solutions and a credible alternative to institutional deep-space ground stations, offering orbiters and near-side missions a better availability, enhanced safety and improved data-rate.


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Lunar Pathfinder Mission Builder


Lunar Pathfinder is a first step towards ESA’s ambitious Moonlight vision to create a network of communications and data relay satellites serving users worldwide. Such satellites could also provide navigation data for lunar exploration, just as today we navigate using Galileo and GPS on Earth.

The far side and polar regions of the Moon are a particular area of interest to space agencies as a potential source of resources for water, fuel and oxygen. A communications relay satellite such as Lunar Pathfinder is necessary to ensure continuous contact for both robots and humans.

The Lunar Pathfinder mission also hosts two separate ESA experiments, the first testing the possibility of using existing navigation satellites for positioning on the Moon and the second a space weather monitor to understand radiation levels around the Moon – important for human explorers.

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Interested in Lunar Pathfinder? Get in touch!