| An overview of the results from an 8200 hour wear test of the NSTAR ion thruster J Polk, J Anderson, J Brophy, V Rawlin, M Patterson, J Sovey, J Hamley 35th Joint Propulsion Conference and Exhibit, 2446, 1999 | 204 | 1999 |
| Asteroid retrieval feasibility JR Brophy, L Friedman, F Culick 2012 IEEE Aerospace Conference, 1-16, 2012 | 192 | 2012 |
| NASA’s Deep Space 1 ion engine (plenary) JR Brophy Review of Scientific Instruments 73 (2), 1071-1078, 2002 | 179 | 2002 |
| 300-kW solar electric propulsion system configuration for human exploration of near-earth asteroids J Brophy, R Gershman, N Strange, D Landau, R Merrill, T Kerslake 47th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, 5514, 2011 | 130 | 2011 |
| Status of the extended life test of the deep space 1 flight spare ion engine after 30,000 hours of operation A Sengupta, J Brophy, K Goodfellow 39th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, 4558, 2003 | 126 | 2003 |
| Three-dimensional particle simulations of ion-optics plasma flow and grid erosion J Wang, J Polk, J Brophy, I Katz Journal of Propulsion and Power 19 (6), 1192-1199, 2003 | 119 | 2003 |
| Numerical simulations of ion thruster accelerator grid erosion K Ira, J Polk, J Brophy, J Anderson 38th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, 4261, 2002 | 114 | 2002 |
| Asteroid redirect mission concept: a bold approach for utilizing space resources DD Mazanek, RG Merrill, JR Brophy, RP Mueller Acta Astronautica 117, 163-171, 2015 | 112 | 2015 |
| An overview of the results from the 30,000 hr life test of deep space 1 flight spare ion engine A Sengupta, J Brophy, J Anderson, C Garner, B Banks, K Groh 40th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, 3608, 2004 | 104 | 2004 |
| A 5,730-hr cyclic endurance test of the SPT-100 C Garner, J Brophy, J Polk, L Pless 31st Joint Propulsion Conference and Exhibit, 2667, 1995 | 95 | 1995 |
| The ion propulsion system for dawn J Brophy, C Garner, B Nakazono, M Marcucci, M Henry, D Noon 39th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, 4542, 2003 | 90 | 2003 |
| One-dimensional hollow cathode model I Katz, JR Anderson, JE Polk, JR Brophy Journal of Propulsion and Power 19 (4), 595-600, 2003 | 88 | 2003 |
| Electric propulsion for solar system exploration JR Brophy, M Noca Journal of Propulsion and Power 14 (5), 700-707, 1998 | 88 | 1998 |
| Ion propulsion system (NSTAR) DS1 technology validation report JR Brophy, RY Kakuda, JE Polk, JR Anderson, MG Marcucci, D Brinza, ... JPL Publication 00-10, October, 2000 | 87 | 2000 |
| Validation of the NSTAR ion propulsion system on the Deep Space One mission-Overview and initial results J Polk, R Kakuda, J Anderson, J Brophy, V Rawlin, M Patterson, J Sovey, ... 35th Joint Propulsion Conference and Exhibit, 2274, 1999 | 85 | 1999 |
| Demonstration of the NSTAR ion propulsion system on the Deep Space One mission JE Polk, D Brinza, RY Kakuda, JR Brophy, I Katz, JR Anderson, ... 27th International Electric Propulsion Conference, Pasadena, CA, 2001 | 84 | 2001 |
| Simple performance model for ring and line cusp ion thrusters JR Brophy, PJ Wilbur AIAA journal 23 (11), 1731-1736, 1985 | 75 | 1985 |
| Performance evaluation and life testing of the SPT-100 CE Garner Proceedings of the 23rd International Electric Propulsion Conference …, 1993 | 73 | 1993 |
| Near-earth asteroid retrieval mission (ARM) study JR Brophy, B Muirhead orbit 16, 25, 2013 | 70 | 2013 |
| Ion thruster performance model JR Brophy | 69 | 1984 |
