Satellite orbits diagram by Lloyd Wood.

Variants of this diagram are seen in:

• Optimizing Communication Utility of Routing Protocol for Satellite IP Networks, A. Boriboon, PhD thesis, Assumption University of Thailand, July 2017.
• Orbital Mechanics and Astrodynamics: Techniques and tools for space missions, Gerald R. Hintz, Springer, January 2015.
• Revisiting elliptical satellite orbits to enhance the O3b constellation, Lloyd Wood, Yuxuan Lou and Ope Olusola, Journal of the British Interplanetary Society, vol. 67, pp. 110-118, March 2014.
• On the Autonomy Requirements for Space Missions, Emil Vassev and Mike Hinchey, Proceedings of the 16th IEEE International Symposium on Object/Component/Service-oriented Real-time Distributed Computing Workshops (ISCORCW 2013). IEEE Computer Society, Paderborn, Germany, June 19-21, 2013.
• Integrating LEO Satellite Constellations into Internet Backbone, Yan He, PhD thesis, University of Pisa, May 2007.
• totally ripped off by Riadh Dhaou's PhD thesis, as my masters and PhD thesis are. That man has no shame.
• some other masters thesis (in Greek), D. Tsiounis, University of Athens.
• Introduction to 3G Mobile Communications, Juha Korhonen, second edition, 2003, p. 448 section 15.2.3.
• Satellite constellation networks, Lloyd Wood, Chapter 2, Internetworking and Computing over Satellite Networks, Yongguang Zhang (ed.), Kluwer Academic Press, ISBN 1-4020-7424-7, pp. 13-34, March 2003.
• EU COST 253 final report: Service Efficient Network Interconnection via Satellite, COST 253 working group, 2002.
• Internetworking with satellite constellations, Lloyd Wood, thesis for award of Doctor of Philosophy (PhD), University of Surrey, June 2001.
• Effects on TCP of routing strategies in satellite constellations, Lloyd Wood, George Pavlou and Barry Evans, IEEE Communications Magazine, vol. 39, no. 3, pp. 172-181, March 2001.

Lloyd Wood