Space Settlement

Sacramento L5 Society

Helping Enthusiasts Build Space Settlements

This is Block 2. Build in progress

Orbital Tethers

Catch and Release

Shave precious delta-V off the cost to orbit.

Outreach Local
Planetwide Evangelism

To the stars for all


2nd Saturday each month

5 to 7 pm


J P Aerospace

2530 Mercantile Drive

Rancho Cordova, CA 95724

Eyes on the skies!
the sky is not the limit!

Earth Moon Langrange Points

Good Reads!

Towards the Grandest Horizon
Edited by
James Benford and Gregory Benford

Spinship Galiileo

The Sacramento L5 Society
2nd Saturday of each month
5 to 7 pm
J P Aerospace
2530 Mercantile Drive
Rancho Cordova CA 95724


Help enthusiasts find ways to contribute.

Provide sources of enabling training to facilitate engineering prototyping.

Establish a clearinghouse for the ongoing objective analysis of proposed space development technologies.


Inspire collaboration among enthusiasts and groups who support and engineer practical, implementable, cost-effective paths to space settlement.


Consistent interaction among an ever growing number of enthusiasts.

Publish records of engineering successes and project achievements.