Category Archives: Propellant Depots

AAS Paper Review: Practical Methodologies For Low Delta-V Penalty, On-Time Departures To Arbitrary Interplanetary Destinations From A Medium-Inclination Low-Earth Orbit Depot

I’d like to share a technical paper about propellant depots and interplanetary mission orbital dynamics that I helped co-author this past year, with the help of two of my astrogator friends, Mike Loucks and John Carrico of Space Exploration Engineering … Continue reading

Posted in Orbital Dynamics, Propellant Depots, Space Transportation, ULA | 11 Comments

Random Thoughts: First Pass Analysis of a White Dragon/Xeus Lunar Sortie Mission

After yesterday’s SpaceX announcement of having booked two customers for a Apollo-8 style mission around the Moon and back, using Falcon Heavy and Dragon V2, I got thinking about ways to take the next step in lunar tourism–surface missions. Now, … Continue reading

Posted in Commercial Crew, Launch Vehicles, Lunar Exploration and Development, Propellant Depots, Random Thoughts, Space Exploration, Space Transportation, SpaceX, ULA, YHABFT | 51 Comments

SpaceX Mars Plans: Jon’s First Take

I’ve had a lot of friends ping me today about my thoughts on Elon’s Mars talk today. I was in a meeting when it happened, and literally was pinged by half a dozen people during the meeting… Now that I’ve … Continue reading

Posted in Commercial Space, ISRU, Launch Vehicles, Lunar Commerce, Mars, NASA, Propellant Depots, Space Development, Space Exploration, Space Settlement, Space Transportation, SpaceX, ULA, Venus | 60 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 | 17 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

Summary of Some ULA Papers from AIAA SPACE 2015

ULA has often used the AIAA SPACE conferences as a venue for discussing technical ideas they were working on. In fact, I’ve written several blog posts over the years summarizing or commenting on previous versions of their papers. This year’s … Continue reading

Posted in Commercial Space, Launch Vehicles, Lunar Exploration and Development, Orbital Access Methodologies, Propellant Depots, Space Transportation, SpaceX, ULA | 19 Comments

Random Thoughts: Columbus Article Link and Lunar Patents?

I don’t think this counts as my monthly blog post, mostly because I’m linking to and commenting on someone else’s blog post, but here goes. Michael Mealling (a fellow Masten Alumni gone entrepreneur) set out this year to do a … Continue reading

Posted in ISRU, Lunar Commerce, Lunar Exploration and Development, Propellant Depots, Space Development, Space Policy, Space Settlement | 8 Comments

Someone is Wrong on the Internet!

And ironically, it’s XKCD What-if that is wrong. Well, not wrong by commission, but wrong by omission. First off, I’m a huge fan of both XKCD (well the 98% of their comic strips that are SFJ) and XKCD-What If. If … Continue reading

Posted in Humor, Propellant Depots, Space Tethers, Space Transportation | 5 Comments

NewSpace 2012 Space Architectures Panel

I didn’t realize till I saw it on NASASpaceflight.com, but apparently the panel I was on at NewSpace 2012 is now up on youtube, so I figured I would share. My piece runs from about the 8min mark till around … Continue reading

Posted in Propellant Depots | 4 Comments

Tooting Someone Else’s Horn: Quest Product Development Corp’s Advanced MLI Technologies

Since I’m not yet ready to talk about some of the neat ideas we have in the hopper at Altius, I figured it might be fun to do some blog posts on some of the cool-but-not-very-well-known space technologies that are … Continue reading

Posted in Launch Vehicles, Propellant Depots, Technology | 13 Comments