Category Archives: NEOs

More EGT Musings: ISRU Propellants

One of the ideas I had been thinking of blogging about was the thought of augmenting EGT asteroid deflection with in-situ derived propellants. The gravitation attraction force is usually the bottleneck in how fast you can do an asteroid deflection, … Continue reading

Posted in NEOs | Leave a comment

Additional EGT Musings: Gravity Tractor and Enhanced Gravity Tractor Overview

[Editor’s Note: When I posted the Enhanced Gravity Tractor article earlier in the week, I didn’t have time to really dig into the concept the way I had originally intended. Josh Hopkins suggested on Twitter that I could cheat and … Continue reading

Posted in NEOs | 11 Comments

Enhanced Gravity Tractor Paper at the IAA Planetary Defense Conference

I’ve noticed that very few people seem to understand the concept of the Enhanced Gravity Tractor planetary defense technique that the ARM Option B approach plans on demonstrating. A friend recently forwarded me a great paper describing this concept that … Continue reading

Posted in NEOs | 5 Comments

Up in ARMs for No Good Reason

While there has been some slightly more positive discussion about the NASA Asteroid Redirect Mission since my previous blog post and SpaceNews Op-Ed, there have still been a steady stream of criticisms and suggestions of alternatives to the ARM mission … Continue reading

Posted in NASA, NEOs | 11 Comments

Random Thought: Simulating Mars Speed-of-Light Delays on ISS

[Note: I’m almost positive this isn’t a new idea, but I figured I would share it, just in case.] One of the many concerns with deep-space human spaceflight missions, is that all of NASA’s experience has been with missions close … Continue reading

Posted in Lunar Exploration and Development, NASA, NEOs, Space Exploration | 16 Comments

PhD Dissertation Idea: NEO Trade Network Analysis

Frequently I wish I could afford to have a personal orbital dynamics minion that I could have run analyses for me whenever I have a complex orbital dynamics question and would like to test my intuition. Unfortunately, Altius isn’t successful … Continue reading

Posted in NEOs, PhD Dissertation Ideas | 11 Comments

Top 10 Reasons Why Something ARM-like Is Worth Doing

[Up-front Disclaimer: My space startup is being paid under the Asteroid Redirect Mission BAA to do a study contract on one possible way to do the Option B mission. Even though we’re not dependent on follow-on work, I figured it … Continue reading

Posted in Commercial Crew, International Space Collaboration, ISRU, Lunar Exploration and Development, NASA, NEOs, Space Development, Space Exploration | 23 Comments

Random Thoughts: A Change of Heart in NEO Size of Interest?

I’ve been following the various twists and turns in NASA and private interest in NEOs for a few years, ever since the Flexible Path concept was suggested by the Augustine Committee. While I’ve always been of the opinion that the … Continue reading

Posted in NASA, NEOs | 9 Comments

Random Thoughts: Asteroids and Money-Mouth Co-location

With yesterday’s meteorite impact in Russia, I’ve seen several clever tweets featuring this clever picture: But to me, meteor impacts today are nature’s way of asking “Have you thought about donating to the B612 Foundation’s Sentinel Mission lately?” Most serious … Continue reading

Posted in NEOs | 5 Comments

Thoughts on Jeff’s Talk Part 1: Subeconomic Resources

I finally got around to watching Jeff Greason’s ISDC talk last night (youtube link here), and it has got me thinking. In an effort to actually get some blog posts going again, I’m going to break this up into chunks … Continue reading

Posted in Business, Commercial Space, Lunar Commerce, Lunar Exploration and Development, NASA, NEOs, Space Development, Space Exploration, Space Law, Space Policy | 30 Comments