• Orbital Mechanics http://www.braeunig.us/space/orbmech.htm 59 comments 30/4/2023
• Basics of Space Flight: Orbital Mechanics http://www.braeunig.us/space/orbmech.htm 57 comments 7/10/2015

• Beyond Mars: Estimates of the SpaceX ITS capabilities for outer solar system transit. Part 1: Asteroids, Jupiter, and Saturn. http://www.braeunig.us/space/orbmech.htm 125 comments 9/10/2016 spacex
• Discussion: oxidizer/fuel ratio of Raptor, misconceptions about oxygen rich staged combustion engines. http://www.braeunig.us/space/comb-OM.htm 48 comments 16/3/2016 spacex
• Basics of Space Flight: Orbital Mechanics http://www.braeunig.us/space/orbmech.htm 7 comments 7/10/2015 space
• Lunar Free Return Trajectory http://www.braeunig.us/apollo/pics/freereturn.gif 20 comments 30/12/2014 space
• F9 Flight Profile http://www.braeunig.us/apollo/saturnV.htm 16 comments 1/3/2014 spacex
• Habitable volume of the Orion spacecraft: 10.22 m^3 for six people. (6.5' x 7' x 8') http://www.braeunig.us/space/specs.htm 18 comments 12/11/2009 space