People

Faculty

Brandon Jones

Dr. Jones is an Associate Professor in the Department of Aerospace Engineering and Engineering Mechanics  that specializes in data fusion and uncertainty quantification for astronautics.  He is affiliated with both the Center for Space Research and the Oden Institute for Computational Engineering and Sciences.  He is also the Director of the Texas Spacecraft Laboratory.

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Postdoctoral Researchers

Benjamin Reifler, Ph.D.
Postdoctoral Researcher

Ben completed his PhD in May 2025. His research interests include space situational awareness, multi-target tracking, and autonomous navigation. His recent work focuses on efficient tracking of large populations of space objects, including large satellite constellations and fragmentation events, using labeled random finite sets. Before coming to UT-Austin, Ben earned his BS in Aerospace Engineering from the University at Buffalo, where he led the UB Nanosatellite Laboratory’s Attitude Determination and Control group, and interned at the Air Force Research Laboratory. In his free time, Ben makes music and continues to develop the PAZ Engine, a family of cross-platform libraries for games and simulations.

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Current Graduate Students

Anand Agrawal
Graduate Research Assistant

Anand is a Ph.D. student who graduated with a Bachelor of Science in Aerospace Engineering from the Georgia Institute of Technology in 2013 and a Bachelor of Science in Chemistry from Emory University in 2011. He started at UT Austin in the Fall of 2021 after previously working as a civilian engineer with the Department of the Navy focusing on reliability engineering and machine learning. His research interests center on machine learning based pose estimation, deep space navigation, and general GN&C applications.

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Sofia Catalan
Graduate Research Assistant
Sofia is a Ph.D. student who started in Fall 2020. She graduated with a Bachelor of Science in Aerospace Engineering from UT Austin in 2019. Sofia is a Graduate Pathways Intern at the NASA Johnson Space Center and has worked in flight dynamics operations, trajectory design, and autonomous GN&C projects. Her research interests focus on surface feature detection and image processing for ground-based space object tracking and on-board navigation applications.
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Paula Delfin
Graduate Research Assistant

Paula is a master’s student who joined the group in Fall 2024. Paula earned her B.S. in Aerospace Engineering from the Georgia Institute of Technology and has had internships at Cruise Automation, Sierra Space, and The MITRE Corporation. As part of her research, she serves as the program manager for the SCOPE-1 mission within UT Austin’s Texas Spacecraft Laboratory.

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Miranda Lambert
Graduate Research Assistant

Miranda is a master’s student who joined the research group in Spring 2025. She earned her B.S. in Aerospace Engineering from the University of Austin in Fall 2024. Her research interests include orbit optimization and determination, collision detection and avoidance, space debris tracking and mitigation, and space domain and situational awareness. Beyond academics, Miranda enjoys visiting Barton Springs and practicing Olympic-style weightlifting.

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Quinn Moon
Graduate Research Assistant

Quinn is a PhD student (co-advised with Dr. Ryan Russell) looking at on-board navigation and asteroid shape estimation for missions to asteroids and comets, linear covariance analysis, DOP analysis, and trajectory navigation planning. He has previously worked at Intuitive Machines, and obtained his B.S. in Mechanical Engineering with a minor in mathematics, a M.S. in Space Systems Engineering, and a M.S. in Aerospace Engineering from Utah State University.

Cedric Petion
Graduate Research Assistant

Cedric’s research looks at how to partition admissible regions for rapid propagation using multi-fidelity methods.  These capabilities can then be used for initial orbit determination and follow-up tracking and sensor tasking.  Cedric received his B.S. from the Rensselaer Polytechnic Institute.

Sam Prokott
Graduate Research Assistant

Sam is a Ph.D. student who joined the group in Fall 2024. Before coming to UT, he graduated with a Bachelor’s in Aerospace Engineering and Mechanics from the University of Minnesota – Twin Cities where he was the lead for the Small Satellite Research Laboratory’s Attitude Determination and Control team. Sam has held internships as a GN&C Engineer at Blue Canyon Technologies and Odyssey Space Research. His current research looks at collision risk analysis utilizing conceptual spaces. 

Zee Toler
Graduate Research Assistant

Zee joined the Ph.D. program in Spring 2020. She graduated with a Bachelor of Science in Aerospace Engineering at UT Austin in Fall 2019. Zee has held internships at NASA JPL and at MIT Lincoln Laboratory and has worked at UT Austin’s Texas Spacecraft Laboratory as the chief engineer for the ARMADILLO mission. Her research interests lie in orbit determination, uncertainty quantification, space debris tracking, and mitigation. Her current research focuses on polynomial chaos-based methods of orbit determination with applications to tracking objects in cislunar space.

Bora Unalmis
Graduate Research Assistant

Bora is a Ph.D. student and joined in Fall 2024. He graduated from the University of Michigan with a Bachelor of Science in Engineering Physics and completed a Masters at UC Berkeley. His research focuses on uncertainty quantification and tracking of maneuvering targets in cislunar space. He enjoys reading and exercising.

Former Graduate Students

Marc Balducci
Ph.D.
Defended September 2018, University of Colorado Boulder, “Orbit Uncertainty Propagation with Separated Representations”.Click the link to read his thesis.
Thesis
Aaron Brown
Ph.D.
Defended April 2022, The University of Texas at Austin, “Low-Earth Orbit Trajectory Optimization in the Presence of Atmospheric Uncertainty”Click the link to read his thesis.
Thesis
Daniel Bryant
Ph.D.
Defended November 2017, University of Colorado Boulder, “Spawn Model Derivations for Multi-Object Orbit Determination within a Random Finite Set Framework”Click the link to read his thesis.
Thesis
Julianna Feldhacker
Ph.D.
Defended April 2016, University of Colorado Boulder, “Incorporating Uncertainty into Spacecraft Mission and Trajectory Design”Click the link to read her thesis.
Thesis
Nicholas Ravago
Ph.D.
Defended July 2022, The University of Texas at Austin, “Applications of Random Finite Set-based Multi-Target Trackers in Space Situational Awareness”Click the link to read his thesis.
Thesis
Akhil Shah
M.S.
Graduated August 2018, The University of Texas at Austin, “Sensor Tasking Utilizing Deep Reinforcement Learning in a Random Finite Set Framework”Click the link to read his thesis.
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Trevor Wolf
Ph.D.
Defended May 2025, The University of Texas at Austin, “Advancements in Space Object Detection, Tracking, and Management Using Information-Theoretic Approaches”Link to thesis is coming!
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Enrico Zucchelli
Ph.D.
Defended August 2023, The University of Texas at Austin, “Bayesian Approaches to Low-Thrust Maneuvering Spacecraft Tracking”Click the link to read his thesis.
Thesis