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Blue Moon Mk1

Single-launch lunar cargo lander; Pathfinder Mission 1 to validate BE-7 engine and precision landing.

Verified 2026-06-17

Operator page

Subsystems

propulsion

BE-7 engine: 44.5 kN (10,000 lbf) thrust, throttleable to 8.9 kN (2,000 lbf); dual-expander cycle; LOX/LH2 propellants.

avionics

Autonomous GNC for precision landing to within 100 m; avionics validated in Pathfinder Mission objectives.

thermal

Thermal vacuum testing completed at NASA Johnson Space Center.

power

Cryogenic fluid power system; solar array architecture not publicly specified for Mk1.

comms

Continuous downlink communications validated as part of Pathfinder Mission objectives.

Specs & Metrics

Cargo Upmass ↑ better
3,000 kg
Max cargo to lunar surface
Maximum pressurized + unpressurized cargo delivered to station orbit (upmass), in kg.

Program roadmap

Blue Moon Mk1 program roadmap2026PlannedPathfinder Mission 1 — uncrewed…2028PlannedBlue Moon Mk2 crewed lander dev…20262029
  • planned

    Pathfinder Mission 1 — uncrewed lunar cargo delivery; validates BE-7, avionics, precision landing

    2026
  • planned

    Blue Moon Mk2 crewed lander development — larger human-class system building on Mk1 heritage

    2028