Skip to main content
Astrodynamics, Space ScIence, and Space Technology (ASSIST) Laboratory

Publications

Archival Journal Publications

  1. Richard J. Licata, Piyush M. Mehta, W. Kent Tobiska, Bruce R. Bowman, and Marcin D. Pilinski, "Qualitative and Quantitative Assessment of the SET HASDM Database," Under Review, Space Weatherhttps://doi.org/10.1002/essoar.10506516.2.
  2. W. Kent Tobiska, Bruce R. Bowman, S. David Bouwer, Alfredo Cruz, Kaiya Wahl, Marcin D. Pilinski, Piyush M. Mehta, and Richard J. Licata, "The SET HASDM Density Database," Space Weather,  19(4), doi: 10.1029/2020SW002682
  3. Richard J. Licata, W. Kent Tobiska, Piyush M. Mehta, "Benchmarking Forecasting Models for Space Weather Drivers,Space Weather, 18(10), doi: 10.1029/2020SW002496.
  4. Piyush M. Mehta and Richard Linares, "Real-Time Thermospheric Density Estimation from Satellite Position Measurements." Journal of Guidance, Control, and Dynamics, 2020, 43:9, 1656-1670. https://doi.org/10.2514/1.G004793
  5. Daniel Weimer, Piyush M. Mehta, et al., “Improving Neutral Density Predictions Using Exospheric Temperatures Calculated on a Geodesic, polyhedral Grid,” Space Weather, 17, https://doi.org/10.1029/2019SW002355.
  6. Piyush M. Mehta, Richard Linares, and Eric K. Sutton, Data-driven investigation of thermosphere composition during solar minimum conditionsSpace Weather, 17, 1364– 1379. 
  7. E. Ceren Kalafatoglu Eyiguler, J. S. Shim, M. M. Kuznetsova, Z. Kaymaz, B. R. Bowman, M. V. Codrescu, S. C. Solomon, T. J. Fuller-Rowell, A. J. Ridley, P. M. Mehta, and E. K. Sutton, "Quantifying the Storm Time Thermospheric Neutral Density Variations Using Model and Observations," Space Weather, 17(2), 269-284, doi: 10.1029/2018SW002033.
  8. Piyush M. Mehta and Richard Linares, “A new transformative framework for data assimilation and calibration of physical ionosphere-thermosphere models," Space Weather, 16(8), 1086-1100, doi: 10.1029/2018SW001875.
  9. Piyush M. Mehta, Richard Linares and Eric K. Sutton, “A Quasi‐Physical Dynamic Reduced Order Model for Thermospheric Mass Density via Hermitian Space‐Dynamic Mode Decomposition," Space Weather, 16, 569-588, doi:10.1029/2018SW00184.
  10. Piyush M. Mehta, Richard Linares, Andrew Walker, “Photometric Data from Non-Resolved Objects for Improved Drag and Re-entry Prediction,” Journal of Spacecraft and Rockets, 2018.
  11. Piyush M. Mehta and Richard Linares, “A methodology for reduced order modeling and calibration of the upper atmosphere," Space Weather, 5, doi:10.1002/2017SW001642.
  12. Piyush M. Mehta, Andrew C. Walker, Eric K. Sutton and Humberto C. Godinez “New density estimates derived using accelerometers on-board the CHAMP and GRACE satellites,” Space Weather, 15, 558-576, doi:10.1002/2016SW001562.
  13. Piyush M. Mehta, Martin Kubicek, Edmondo Minisci and Massimiliano Vasile, “Sensitivity Analysis and Probabilistic Re-entry Modeling for Debris using High Dimensional Model Representation based Uncertainty Treatment,” Advances in Space Research , 59, 2017, pp. 193-211.
  14. Piyush M. Mehta, Andrew Walker, Earl Lawrence, Richard Linares, Dave Higdon and Josef Koller, “Modeling Satellite Drag Coefficients with Response Surfaces,” Advances in Space Research, Vol. 54, No. 8, 2014, pp.1590-1607.
  15. Piyush M. Mehta, Craig A. McLaughlin and Eric K. Sutton, “A Drag Coefficient Model for GRACE developed using Direct Simulation Monte Carlo,Advances in Space Research, Vol 52, No. 12, 2013, pp. 2035-2051.
  16. Andrew Walker, Piyush M. Mehta and Josef Koller, “Drag Coefficient Model using the Cercignani-Lampis-Lord Gas-Surface Interaction Model,” Journal of Spacecraft and Rockets, Vol. 51, No. 5, 2014, pp. 1544-1563.
  17. Andrew Walker, Piyush M. Mehta and Josef Koller, “Different Implementations of Diffuse Reflection with Incomplete Accommodation for Drag Coefficient Modeling,” Journal of Spacecraft and Rockets, Vol. 51, No. 5, 2014, pp. 1522-1532.
  18. Piyush M. Mehta, Andrew Walker, Craig A. McLaughlin and Josef Koller, “Comparing Physical Drag Coefficients Computed with Direct Simulation Monte Carlo using different Gas-Surface Interaction Models,” Journal of Spacecraft and Rockets, Vol. 51, No. 3, 2014, pp. 873-883.

Conference Proceedings (other publications)

  1. Nicholas Sia and Piyush M. Mehta, "Next-Generation Aerothermodynamic Modeling for Space Debris using Deep Learning," 8th European Conference on Space Debris, April 2021.
  2. Richard J. Licata, Piyush M. Mehta, and W. Kent Tobiska, "Impact of Driver and Model Uncertainty on Drag and Orbit Prediction," 31st AAS/AIAA Space Flight Mechanics Meeting, February 2021.
  3. Richard J. Licata, Piyush M. Mehta, Alfredo Cruz, Michael Kirk, and Barbara J. Thompson, "Using Deep Learning for Onboard Data Compression on Deep Space Missions," 18th Conference on Space Weather - 101st AMS Annual Meeting, January 2021.
  4. Richard J. Licata, Piyush M. Mehta, "Physics-informed Bayesian Deep Learning for Space Weather Science and Operations," 18th Conference on Space Weather - 101st AMS Annual Meeting, January 2021.
  5. Richard J. Licata, Piyush M. Mehta, and W. Kent Tobiska, "Data-Driven HASDM Density Model using Machine Learning," AGU Fall Meeting, December 2020.
  6. Richard J. Licata, Piyush M. Mehta, and W. Kent Tobiska, "Impact of Space Weather Driver Forecast Uncertainty on Drag and Orbit Prediction," AAS 20-423, Astrodynamics Specialist Conference, Lake Tahoe, CA, August 2020.
  7. Richard J. Licata and Piyush M. Mehta, "Physics-informed Machine Learning with Autoencoders and LSTM for Probabilistic Space Weather Modeling and Forecasting," 17th Conference on Space Weather - 100th AMS Annual Meeting, January 2020.
  8. Piyush M. Mehta, Richard J. Licata, Daniel T. Welling, and Michelle Cash, “Physics-informed Machine Learning for Probabilistic Space Weather Modeling and Forecasting: dB/dt and Geomagnetically Induced Currents,” AGU Fall Meeting, December 2019.
  9. Richard J. Licata and Piyush M. Mehta, “Physics-informed Machine Learning for Probabilistic Space Weather Modeling and Forecasting: Thermosphere and Satellite Drag,” AGU Fall Meeting, December 2019.
  10. Richard J. Licata and Piyush M. Mehta, and Christina Kay “Data-Driven Framework for Space Weather Modeling with Uncertainty Treatment towards Space Situational Awareness and Space Traffic Management,” AAS 19-603, Astrodynamics Specialist Conference, Portland, ME, August, 2019.
  11. Piyush M. Mehta, Valerie Bernstein, and Delores Knipp “On deriving Self-Consistent, High-accuracy Mass Density Measurements,” CEDAR Workshop, Santa Fe, NM, June, 2019.
  12. Piyush M. Mehta , “On deriving Self-Consistent, High-accuracy Mass Density Measurements,” AAS 19-439, Space Flight Mechanics, Maui, HI, January, 2019.
  13. Piyush M. Mehta and Richard Linares, “Data-driven Investigation of Thermospheric Variations,” AAS 19-438, Space Flight Mechanics, Maui, HI, January, 2019.
  14. Piyush M. Mehta and Richard Linares, “Data-driven framework for real-time thermospheric density estimation,” AGU Fall Meeting, SA31A-2559, December 2017.
  15. Piyush M. Mehta, Richard Linares and Eric K. Sutton, “Data-driven inference and investigation of thermosphere dynamics and variations,” AGU Fall Meeting, SA31A-2559, December 2017.
  16. Piyush M. Mehta and Richard Linares, “A methodology for reduced order modeling and calibration of the upper atmosphere”, AAS/AIAA Astrodynamics Specialist Conference, August 2017.
  17. Piyush M. Mehta, Andrew C. Walker, Eric K. Sutton and Humberto C. Godinez “New density estimates derived using accelerometers on-board the CHAMP and GRACE satellites,” AGU Fall Meeting, SA31A-2349, December 2016.
  18. Piyush M. Mehta, Gonzalo Blanco-Arnao, Davide Bonetti, Edmondo Minisci, Massimiliano Vasile, “Computer Graphics for Space Debris”, 6th International Conference on Astrodynamics Tools and Techniques, Darmstadt, Germany, March 14-17, 2016.
  19. Martin Kubicek, Piyush M. Mehta, Edmondo Minisci, Massimiliano Vasile, “Multi-Fidelity Uncertainty Quantification for Atmospheric Re-entry using High Dimensional Model Representation”, 26th AAS/AIAA Space Flight Mechanics Meeting, Napa, California, February 14-18, 2016.
  20. Piyush M. Mehta, Martin Kubicek, Edmondo Minisci, Massimiliano Vasile, “Surrogate Model for Probabilistic modeling of Atmospheric Entry for small NEOs”, 26th AAS/AIAA Space Flight Mechanics Meeting, Napa, California, February 14-18, 2016.
  21. Piyush M. Mehta, Martin Kubicek, Edmondo Minisci, Massimiliano Vasile, “Debris Re-entry Modeling using High Dimensional Derivative Based Uncertainty Quantification”, AAS/AIAA Astrodynamics Specialist Conference, Vail, Colorado, August 9-13, 2015.
  22. Piyush M. Mehta, Edmondo Minisci, Massimiliano Vasile, Andrew Walker and Melrose Brown, “Sensitivity Analysis towards Probabilistic Re-Entry Modeling of Spacecraft and Space Debris,” AIAA Modeling and Simulation Technologies Conference, Aviation 2015, Dallas, Texas, June 22-26, 2015.
  23. Piyush M. Mehta, Edmondo Minisci and Massimiliano Vasile, “Break-up Modeling and Trajectory Simulation under Uncertainty for Asteroids,” 4th IAA Planetary Defense Conference, Frascati, Roma, April 13-17, 2015.
  24. Piyush M. Mehta, Edmondo Minisci, Massimiliano Vasile, Andrew Walker and Melrose Brown, “An Open-Source Hypersonic Aerodynamic and Aerothermodynamic Modeling Tool,” 8th ESA symposium for Aerothermodynamics of Space Vehicles, Lisbon, Portugal, March 2-6, 2015.
  25. Josef Koller, Sean M. Brennan, Humberto C. Godinez, Moriba K. Jah, Thomas Kelecy, Brian A. Larsen, …. , Piyush M. Mehta, …. , Brent E. Wohlberg, A Framework for Integrated Modeling of Perturbations in Atmospheres for Conjunction Tracking (IMPACT)”, AIAA Space Operations Conference, Pasadena, California, May 2014.
  26. Andrew Walker, Michael Shoemaker, Piyush M. Mehtaand Josef Koller, “Gas-Surface Interactions for Satellites orbiting in the lower Exosphere,” 24th AAS/AIAA Space Flight Mechanics, AAS 14-436, Santa Fe, New Mexico, January 2014.
  27. Alexei V. Klimenko, Sean M. Brennan, Humberto C. Godinez, Dave Higdon, Josef Koller, Earl Lawrence, …. , Piyush M. Mehta, …. , Craig McLaughlin, “IMPACT: Integrated Modeling of Perturbations in Atmospheres for Conjunction Tracking”, AAS/AIAA Space Flight Mechanics Conference, Santa Fe, New Mexico, January 2014.
  28. Josef Koller, Sean M. Brennan, Humberto C. Godinez, Dave Higdon, Alexei Klimenko, Brian A. Larsen, …. , Piyush M. Mehta, …. , Earl Lawrence, “IMPACT: Integrated Modeling of Perturbations in Atmospheres for Conjunction Tracking," AGU Fall Meeting, San Francisco, California, December 2013.
  29. Josef Koller, Sean M. Brennan, Humberto C. Godinez, Dave Higdon, Alexei Klimenko, Brian A. Larsen, …. , Piyush M. Mehta, …., Craig McLaughlin, “IMPACT: Integrated Modeling of Perturbations in Atmospheres for Conjunction Tracking," Oral presentation and paper at the AMOS Conference, Maui, Hawaii, September 2013.
  30. Richard Linares, Michael Shoemaker, Andrew Walker, Piyush M. Mehta, David M. Palmer, David C. Thompson, Josef Koller, John L. Crassidis, “Photometric Data from Non-Resolved Objects for Space Object Characterization and Improved Atmospheric Modeling,” AMOS, September 2013.
  31. Piyush M. Mehta, Andrew Walker, Earl Lawrence, Richard Linares, David Higdon and Josef Koller, “Modeling Satellite Drag Coefficients with Response Surfaces,” AAS/AIAA Astrodynamics Specialist Conference, Hilton Head, South Carolina, August 2013.
  32. Andrew Walker, Piyush M. Mehtaand Josef Koller, “The Effect of Different Adsorption Models on Satellite Drag Coefficients,AAS/AIAA Astrodynamics Specialist Conference, Hilton Head, South Carolina, August 2013.
  33. Andrew Walker, Piyush M. Mehta and Josef Koller, “A Comparison of Drag Coefficients computed with Diffuse and Quasi-specular Gas-Surface Interaction Models,” Space Weather Workshop, Boulder, Colorado, April 2013.
  34. Alexei V. Klimenko, David Thompson, Sean M. Brennan, Humberto C. Godinez, Dave Higdon, Josef Koller, …. , Piyush M. Mehta, …. , Craig McLaughlin, “IMPACT: Integrated Modeling of Perturbations in Atmospheres for Conjunction Tracking," Oral presentation at the MIT Lincoln Laboratory Space Control Conference, Lexington, Massachusetts, April 2013.
  35. Josef Koller, Sean M. Brennan, Humberto C. Godinez, Dave Higdon, Moriba K. Jah, Alexei Klimenko, …. , Piyush M. Mehta, …. , Brent Wohlberg, “Integrated Modeling of Perturbations in Atmospheres for Conjunction Tracking," Space Weather Week Workshop, Boulder, Colorado, April 2013.
  36. Piyush M. Mehta and Craig A. McLaughlin, “GRACE Drag Coefficient Model Developed using Direct Simulation Monte Carlo (DSMC) Method,” 23rd AIAA/AAS Space Flight Mechanics Conference, AAS 13-284, Kauai, Hawaii, February 2013.
  37. Piyush M. Mehta and Craig A. McLaughlin, “Energy-Accommodation Coefficient and Drag Coefficient Modeling for Stella and Starlette,” International Astronautical Congress, IAC-12-C1.6.10, Naples, Italy, October 2012.
  38. Piyush M. Mehta and Craig A. McLaughlin, “Density and Ballistic Coefficient Estimation Revisited,” AAS/AIAA Astrodynamics Specialist Conference, AAS 11-609, Girdwood, Alaska, July 31-August 4, 2011.
  39. Craig A. McLaughlin, Eric Fattig, Dhaval Mysore Krishna, Travis Locke and Piyush M. Mehta, “Time Periods of Anomalous Density for GRACE and CHAMP,” AAS/AIAA Astrodynamics Specialist Conference, AAS 11-613, Girdwood, Alaska, July 31-August 4, 2011.
  40. Craig A. McLaughlin, Travis F. Lechtenberg, Stephen R. Mance, Travis Locke and Piyush M. Mehta, “Fitted Drag Coefficients as a Source of Density Information,” 21stAAS/AIAA Space Flight Mechanics Meeting Conference Proceedings, AAS 11-174, New Orleans, Louisiana, February 13-17, 2011.