Below are the current Moon Society Chapters and Outposts. Outposts are defined as one or more persons serving as contact persons looking for others to help start a Chapter (which requires a minimum of 2 people).


Mare Cognitum Virtual Chapter

United States of America




European Union

Recently active outposts (pending renewal/deletion)




NSS Chapters

The Moon Society is a partner with the National Space Society. If you can’t find a local Moon Society Chapter (and don’t want to start one) then maybe you can find a nearby NSS Chapter and create a joint chapter.

National Space Society Chapters Directory

Other Space Organizations

Sometimes you just need to talk space with other space enthusiasts. Below are links to other organizations that have chapters or hold local meetings. Email us if you know of an organization that should be here.

Chapters of the Mars Society

Chapter Help

Growing your Chapter/Outpost

Ways to advertise your Chapter/Outpost – This links to an Astronomical League page that has lots of useful ideas. Why reinvent the wheel?

Promoting membership at your meeting – Another page from the Astronomical League.

Chapter Formation Information

Moon Society Chapter Rules

Please also reference the chapters section of the Moon Society Bylaws.