Satellite orbits diagram by Lloyd Wood.

Variants of this diagram, which illustrates a number of different satellite constellations, are seen in:

• Space debris mitigation in Low Earth Orbit (LEO) using high power pulsed lasers, A. A. Hussein, PhD thesis, University of Sussex, 2018.
• 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.
• T. Farah, Performance analysis of low earth orbit (LEO) satellite link in the presence of elevation angle, fading and shadowing, BSc thesis report, Department of Computer Science and Engineering, BRAC University, August 2009.
• Integrating LEO Satellite Constellations into Internet Backbone, Yan He, PhD thesis, University of Pisa, May 2007.
• The Navigation Potential of Signals of Opportunity-based Time Difference of Arrival Measurements, K. A. Fisher, doctoral thesis, Air Force Institute of Technology, June 2005.
• 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 (lloydwood@users.sourceforge.net)