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.

The Slings and Arrows of Outrageous Lunar Transportation Schemes: Part 4–Propellantless Horizontal Soft-Landing Methods

As mentioned previously in Part 2 of this series, one of the key elements in establishing a lunar beachhead is developing ways to safely and affordably land payloads and people on the lunar surface. In Part 3, we discussed a … Continue reading

Posted in Lunar Commerce, Lunar Exploration and Development, Slings and Arrows of Outrageous Lunar Transportation Schemes, Space Development, Space Settlement, Space Transportation, Technology | 26 Comments

The Slings and Arrows of Outrageous Lunar Transportation Schemes: Part 0–An Elevator Pitch for the Moon

[Note: After getting a few posts into this series on the “how” of alternative lunar transportation concepts, I realized that some commenters were asking about why we should even be going to the Moon, or what we’d be doing there. … Continue reading

Posted in ISRU, Lunar Commerce, Lunar Exploration and Development, Slings and Arrows of Outrageous Lunar Transportation Schemes, Space Development, Space Exploration, Space Settlement | 15 Comments

The Slings and Arrows of Outrageous Lunar Transportation Schemes: Part 3–Intentional Hard Landings

The first advanced lunar transportation concept is the idea of intentional hard lithobraking landings of bulk raw materials. The idea was recently suggested by frequent Selenian Boondocks commenter Paul Dietz in the comments to this previous post. Basically you would … Continue reading

Posted in ISRU, Lunar Commerce, Lunar Exploration and Development, Slings and Arrows of Outrageous Lunar Transportation Schemes, Space Development, Space Settlement | 42 Comments

The Slings and Arrows of Outrageous Lunar Transportation Schemes: Part 2–The Beachhead Analogy

This observation may already be bleedingly obvious to everyone else, but I feel it is worth explicitly stating: One of the top priorities of early missions to any destination in the solar system should be to drive down the cost … Continue reading

Posted in ISRU, Lunar Commerce, Lunar Exploration and Development, Slings and Arrows of Outrageous Lunar Transportation Schemes, Space Settlement, Space Transportation | 30 Comments

Random Thoughts: ACES/EUS Public Private Partnership Idea

A few years ago, I did a “Random Thoughts” blog post about synergies between the proposed ACES stage and the proposed SLS upper stage. Now, I’m still not the world’s biggest SLS fan, and I’m still not a fan of … Continue reading

Posted in Launch Vehicles, NASA, Random Thoughts, ULA | 9 Comments

SpaceX Amateur Business Case Study

There have been several times in recent weeks that people either in person or on the internet have speculated about SpaceX’s finances and business model. In some cases the speculations have been that SpaceX is pricing their Falcon 9 below … Continue reading

Posted in Business, Commercial Crew, Commercial Space, COTS, Launch Vehicles, SpaceX | 44 Comments

Lunar Orbital Facility Location Options

For travel throughout cislunar space, I’ve long been an advocate of having depots on both ends of the journey. The LEO depot provides a refueling stop at the first practical point after leaving the ground, and also a spot for … Continue reading

Posted in Lunar Exploration and Development, Propellant Depots, Space Development, Space Transportation | 15 Comments

How Relevant is New Shepard to Orbital Launch?

With Blue Origin’s successful launches and recoveries of New Shepard starting just about six months ago, there have been many people questioning how relevant it is to future orbital launch vehicles. Some of this seems to be honest curiosity about … Continue reading

Posted in Blue Origin, Launch Vehicles | 18 Comments

ESIL-8 Elements of Lunar Commerce Presentation

I was invited to give a talk on lunar commerce at a Emerging Space Industry Leaders workshop last week hosted by ULA at their Centennial, Colorado campus, and put on by my friends at Advanced Space LLC and the FAA … Continue reading

Posted in Altius Space Machines, Business, Commercial Space, ISRU, Launch Vehicles, Lunar Commerce, Lunar Exploration and Development, MHD Aerobraking and TPS, NASA, NEOs, Propellant Depots, Space Development, Space Settlement, Space Transportation, SpaceX, Technology, ULA, Variable Gravity | 36 Comments

Random Thoughts: New Shepard for Pop-Up TSTO NanoSat Launch

Blue Origin’s recent successful launch, recovery, and re-flight of their suborbital RLV New Shepard got me thinking about an idea that I came up with back in late November shortly after their first flight. In an article written shortly after … Continue reading

Posted in Blue Origin, Launch Vehicles, Random Thoughts, Rocket Design Theory | 30 Comments