Category Archives: Propellant Depots

FISO Telecon Lecture on LEO Propellant Depots for Interplanetary Smallsat Launch

Today I gave a lecture on the Future In-Space Operations Telecon Series on the idea of using LEO propellant depots for interplanetary smallsat missions. Here’s a link to the archive page, which has both the presentation itself and an .mp3 … Continue reading

Posted in Commercial Space, Lunar Commerce, Mars, Orbital Dynamics, Propellant Depots, Space Transportation, SpaceX, ULA | 3 Comments

AAS Paper Review: RAAN Agnostic 3-Burn Departure Methodology for Deep Space Missions from LEO Depots (Part 2 of 2)

Ok, picking up where the first part left off, we’ve reviewed the background, methodology, and some general observations on the methodology from our RAAN-agnostic 3-burn departure paper. In this part, I want to go over an interplanetary launch campaign concept … Continue reading

Posted in Commercial Space, International Space Collaboration, International Space Competition, Launch Vehicles, Lunar Exploration and Development, Mars, NEOs, Orbital Dynamics, Propellant Depots, Space Transportation, Technology, ULA, Venus | 5 Comments

AAS Paper Review: RAAN Agnostic 3-Burn Departure Methodology for Deep Space Missions from LEO Depots (Part 1 of 2)

About a year ago, I wrote a review of an AAS conference paper that I coauthored with a few of my astrogator friends, Mike Loucks and John Carrico regarding an mission design tool for enabling the use of LEO depots … Continue reading

Posted in Launch Vehicles, NEOs, Orbital Dynamics, Propellant Depots, Space Transportation | 9 Comments

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 | 12 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