LIST OF FIGURES Figure Page 1.1 Reference Satellite Configuration 2 1.2 Salvageable SPS Mass and Generation Capacity 5 2.1 Geostationary Satellites—To Date and Planned 19 2.2 Potential Space Activity Levels, 1980-2060 21 2.3 Historical and Projected Growth of Spacecraft Power and Lifetime 25 3.1 SPS Demonstration Satellite in Final Phases of Construction 29 3.2 Full-Scale Operational SPS Satellite Configuration 30 3.3 Salvage Value--Growth to Full-Scale Satellite 34 3.4 Present Value of Demonstration Satellite When Used as an Initial Element in a Full-Scale Satellite 38 3.5 Supply & Demand for Power from Demonstration SPS Satellite 39 3.6 Salvage Value--SPS Demonstration Satellite Used as a Source of Power and Other Subsystems for Other Activities 40 3.7 Salvage Value of the SPS Demonstration Satellite When Used as a Source of Power for Other Activities 45 3.8 Salvage Value of SPS Demonstration Satellite When Used as a Source of Power and Other Subsystems for Other Activities 45 3.9 LEO to GEO Traffic Growth 48 4.1 Continued Use SPS Salvage Value 62 4.2 The Decision to Decommission an SPS Satellite 63 5.1 Summary of Demonstration and Full-Scale Satellite Salvage Applications 65 5.2 Programmatic Implication of Demonstration Satellite Salvage Value 69 6.1 Lagrangian Points in the Earth-Moon System 73 6.2 EOTV Configuration 76 6.3 Alternative Trajectory Modes 77
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