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.

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 | 42 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 | 24 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

Venus ISRU Latest Thoughts

A friend sent me this YouTube video earlier this morning: While this video really covers a lot of the same ground as previous posts in my Venus ISRU series, it still got me thinking about where we stand as far … Continue reading

Posted in ISRU, Venus | 32 Comments

Random Thoughts: Space Debris Cleanup Funding Mechanism

Ever since that Kosmos spacecraft t-boned an Iridium spacecraft a few years back, more and more people have been paying attention to the space debris issue. We’ve been able to live with the nuisance caused by space debris for a … Continue reading

Posted in Orbital Debris Remediation/Mitigation, Random Thoughts | 17 Comments

Random Thoughts: SBSP for All-Electric Aircraft?

I haven’t blogged about Space-Based Solar Power (SBSP) much. At least not as much as Chris and some of my other cobloggers. While I try to be non-dismissive of ideas like this, I’ve never been able to convince myself that … Continue reading

Posted in Random Thoughts | 14 Comments

XCOR Thoughts

For those of you who read my blog but somehow hadn’t heard the news already, three of XCOR Aerospace’s four founders left the suborbital rocket startup this past week. I got a notification last week on LinkedIn about Dan DeLong … Continue reading

Posted in Random Thoughts | 9 Comments

2H15 A Good Time for Geeking Out

I have to say the last half of this year is a great time to be a space/sci-fi/RPG nerd: July: New Horizons successfully completes Pluto Flyby August: Shadowrun HongKong by HareBrained Schemes comes out September: HareBrained Schemes planning to launch … Continue reading

Posted in Administrivia | 7 Comments