In the era of lunar exploration, data isn’t just a tool; it’s the key to progress and safety. SpaceData inc., a pioneer in digital twin technologies for the Moon, brings unique strength to the Lunar Ledger signatory community - transforming how mission planners, agencies, and commercial operators confront uncertainty.

Japan-based Dymon Co. Ltd. Founder and CEO Shinichiro Nakajima, signs the Lunar Ledger Memorandum of Understanding with Open Lunar Foundation Executive Director Rachel Williams on October 2, 2025, in Sydney.

Japan-based JAOPS Founder and CEO, Alejandro Sela holds the signed Lunar Ledger Memorandum of Understanding alongside (from left to right) Open Lunar Foundation Director of Industry Integration Mehak Sarang, Stakeholder Lead Samuel Jardine, Ledger Lead Christine Tiballi, Executive Director Rachel Williams, and JAOPS CMO and Co-Founder, Louis Burtz, on October 1, 2025, in Sydney.

US-based Astrolab’s Founder and CEO, Jaret Matthews signs the Lunar Ledger Memorandum of Understanding alongside (from left to right) Open Lunar Foundation Lunar Ledger Lead Christine Tiballi, Executive Director Rachel Williams, Director of Industry Integration Mehak Sarang, and Stakeholder Lead Samuel Jardine at the Ledger’s Launch event on September 30, 2025, in Sydney.

Japan-headquartered ispace, inc. CEO, Takeshi Hakamada, signs the Lunar Ledger Memorandum of Understanding alongside Open Lunar Foundation’s Executive Director Rachel Williams on September 29, 2025, in Sydney.

US-based Firefly Aerospace’s Will Coogan, the chief lander engineer for the company’s successful first CLPS Moon mission, signs the Lunar Ledger Memorandum of Understanding alongside Open Lunar Foundation Executive Director Rachel Williams, Director of Industry Integration Mehak Sarang, and Stakeholder Lead Samuel Jardine at the Ledger’s Launch event on September 30, 2025, in Sydney.

To keep pace with lunar development, the Lunar Ledger is now in closed beta with selected partners. Months of design and a concentrated build sprint have brought our core transparency and collaboration features to life, and we’re now refining them with direct user feedback. Below is a snapshot of the platform’s current status and what’s next.

After three years of rigorous research, community consultation, and technical development, the Open Lunar Foundation is proud to announce the official launch and rebranding of our flagship registry project as the Lunar Ledger: Global Lunar Database of Objects and Activities.