Author Archives: Jonathan Goff

Jonathan Goff

About Jonathan Goff

Jonathan Goff is a space technologist, inventor, and serial space entrepreneur who created the Selenian Boondocks blog. Jon was a co-founder of Masten Space Systems, and is the founder and CEO of Altius Space Machines, a space robotics startup in Broomfield, CO. His family includes his wife, Tiffany, and five boys: Jarom (deceased), Jonathan, James, Peter, and Andrew. Jon has a BS in Manufacturing Engineering (1999) and an MS in Mechanical Engineering (2007) from Brigham Young University, and served an LDS proselytizing mission in Olongapo, Philippines from 2000-2002.

Unorthodox Reusable Lunar Landers Concepts

[Author’s Note: Back in summer of 2019, shortly after Mike Pence announced the goal of having NASA return astronauts to the lunar surface for the first time in over half a century, I had the idea of doing a blog … Continue reading

Posted in ISRU, Lunar Commerce, Lunar Exploration and Development, Propellant Depots, Reusable Lunar Landers | 4 Comments

Goff Family 2021 Summer Sabbatical Part 1: Utah Trip

Okay, so for the first leg of my sabbatical, we went on a trip to Utah to visit my family. It had been two years since the last time we had seen any of my family in person. Our last … Continue reading

Posted in Family, Friends, Jonny Bloggin, Pip Bloggin | 2 Comments

Transitions and Summer Sabbatical

I imagine most of you who read Selenian Boondocks probably also follow me on Facebook and/or Twitter. But for those of you who don’t, as of May 21st, I decided to move up to a full-time position at my parent … Continue reading

Posted in Administrivia | 2 Comments

An Updated Propellant Depot Taxonomy Part VI: Roving Depots

In the last post in this series, I discussed the idea of large-scale depots for human spaceflight applications, which operate in fixed, low-orbits. While the final post in this series will investigate human spaceflight depots that operate in fixed higher … Continue reading

Posted in Commercial Space, ISRU, Launch Vehicles, Lunar Exploration and Development, Mars, NASA, NEOs, Orbital Dynamics, Propellant Depots, Space Development, Space Exploration, Space Transportation, ULA, Venus | 8 Comments

An Updated Propellant Depot Taxonomy Part V: Human Spaceflight Fixed Depots (Low-Orbit)

For this next depot taxonomy post, we’ll finally be talking about what people usually think about when they hear the term orbital propellant depot — larger, cryogenic refueling facilities, focused on enabling large-scale human spaceflight missions, performed by a diverse … Continue reading

Posted in Blue Origin, Commercial Space, Launch Vehicles, Lunar Commerce, Lunar Exploration and Development, Mars, NEOs, Orbital Dynamics, Propellant Depots, RLV Markets, Space Development, Space Exploration, Space Transportation, SpaceX, ULA, Venus | Tagged , , , , , , , | 13 Comments

An Updated Propellant Depot Taxonomy Part IV: Smallsat Launcher Refueling Depots

After a brief hiatus, I’d like to continue this series with the type of depot I’ve spent the most time thinking about over the last several years, and the first type of depot that really fits the mold of what … Continue reading

Posted in Launch Vehicles, Lunar Exploration and Development, Orbital Dynamics, Propellant Depots, Space Exploration, Space Transportation, SpaceX, ULA, Venus | Tagged , , , , , , | 6 Comments

Blog Links Updated

Ben Brockert in comments pointed out that with the server switch, now might be a good time to clean out and refresh the blog links, seeing as how about half of them were for companies that had been out of … Continue reading

Posted in Administrivia | Leave a comment

Blog Migration Completed

I mentioned in a blog post last month that we’d be migrating the domain name registrar and site hosting. We’ve now completed the process, and as far as I can tell everything migrated correctly. If any of you see any … Continue reading

Posted in Administrivia | 2 Comments

An Updated Propellant Depot Taxonomy Part III: GEO Depots

Of the six depot types I’ll be describing in this series, GEO Depots are probably the least fully-baked of the concepts for me, mostly because I’ve only had limited involvement in the traditional GEO satellite world. But I wanted to … Continue reading

Posted in Orbital Dynamics, Propellant Depots, Satellite Servicing, Space Transportation | Tagged , , , , , | 6 Comments

An Updated Propellant Depot Taxonomy Part II: Distributed LEO Nano-Depots

For this first type of propellant depot, we have an idea that several of us seem to have independently realized. My company is developing a family of servicing tugs focused on servicing customers in Low Earth Orbit. We realized pretty … Continue reading

Posted in Altius Space Machines, Commercial Space, Propellant Depots, Satellite Servicing | Tagged , , , | 7 Comments