**Appendix A: Phobos and Deimos**

Phobos https://nssdc.gsfc.nasa.gov/imgcat/html/object\_page/vo1\_357a64.html

**65**

**Author details**

Bryan Palaszewski

NASA Glenn Research Center, Cleveland, Ohio, USA

provided the original work is properly cited.

\*Address all correspondence to: bryan.a.palaszewski@nasa.gov

© 2020 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium,

*Assessing Propulsion and Transportation Issues with Mars' Moons*

Deimos https://photojournal.jpl.nasa.gov/catalog/PIA11826

*DOI: http://dx.doi.org/10.5772/intechopen.93148*

*Assessing Propulsion and Transportation Issues with Mars' Moons DOI: http://dx.doi.org/10.5772/intechopen.93148*

*Mars Exploration - A Step Forward*

a acceleration of gravity delta-V velocity change

ISRU in situ resource utilization

GLOW gross liftoff weight

**Appendix A: Phobos and Deimos**

H2 hydrogen

LMO low Mars orbit m, p propellant mass m, pl payload mass O2/H2 oxygen/hydrogen SSTO single stage to orbit

g gravity level (compared to Earth)

processing quality.

**Nomenclature**

gravity factory will likely be needed to maintain the water and propellant

Phobos https://nssdc.gsfc.nasa.gov/imgcat/html/object\_page/vo1\_357a64.html

Phobos

**64**
