SSTL (Surrey Satellite Technologies)

Founded
Country
1985
UK
Website
SSTL
Social
SSTL (Surrey Satellite Technologies)

Service - Lunar Pathfinder

Classification
Space Utilities
Category
In-Space Communications Relay
Fields
Moon
Status
3) Development
First launch
2024

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. As early as Q4 2022, the 280 kg Lunar Pathfinder spacecraft 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 a more cost effective alternative to Direct-to-Earth 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.
To support booming demand from Lunar missions and a clear goal in the scientific community to undertake detailed study and analysis of the Aitken Basin, Lunar Pathfinder intends to operate in a stable elliptical orbit to provide long duration visibility of the Southern Lunar Hemisphere each day, with maximum opportunities for the transmission and reception of data between Earth and the lunar surface. NASA’s Artemis programme also calls for “landing the first American woman and next American man at the South Pole of the Moon by 2024, followed by a sustained presence on and around the Moon by 2028” and Lunar Pathfinder is accordingly working towards a launch in Q4 2022 to support early NASA missions.
In parallel to the Lunar Pathfinder mission SSTL has been working on future plans for a constellation of spacecraft around the Moon, capable of providing enhanced communications, as well as navigation services for the Lunar market as it grows from exploration to commercial exploitation and even tourism. 
ESA will be the anchor customer for services from Lunar Pathfinder which will be the first dedicated lunar communications relay spacecraft when it launches in 2024.

Sources


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