PTYS/LPL Staff Scientists

Matthew Chojnacki

Associate Staff Scientist
Planetary surfaces, Small bodies, OSIRIS-REx, HiRISE
Ph.D., 2013, University of Tennessee

Sonett 206

I  am a planetary geologist who has been involved with the exploration and scientific investigation of Mars using data returned from numerous spacecraft for the past decade. I am a member of the High Resolution Imaging Science Experiment (HiRISE) science team which is onboard the Mars Reconnaissance Orbiter (MRO). Here at the University of Arizona, I am Associate Staff Scientist working with HiRISE Principal Investigator Alfred McEwen and the rest of his team. We provide mission support by processing new images and data analysis from HiRISE and other data sets in an attempt to better understand the red planet. I also work with camera payload upload leads in t dargeting specific sites of geologic interest for my own investigations. Most recently I have joined the Origins Spectral Interpretation Resource Identification Security REgolith Explorer (OSIRIS-REx) mission to visit and return samples from the asteroid Bennu. There I provide mission planning support and photogrammetry processing with the mission's main camera system named OSIRIS-REx CAMera Suite (OCAMS).

Additionally, I am fortunate to have participated with several amazing NASA spacecraft instrument teams, with cameras onboard the Mars Odyssey (MO) satellite with Thermal Emission Imaging System (THEMIS), and the Mars Exploration Rovers (MER) with thePanoramic Camera (Pancam).

My recent research has focused on the geologic, morphologic, and climatic evolutions of Mars. I am particularly interested in:

  • Surface composition, thermal properties, and geology of planetary crusts
  • Thermophysical and spectral properties of the Martian surface
  • Remote and laboratory reflectance and emission spectroscopy
  • Aqueous alteration and weathering of planetary crusts
  • Aeolian transport and induration processes, dune dynamics and morphology
  • Terrestrial analog studies and comparative planetology 


Complete publications list available from: NASA ADS Author Search: Matthew Chojnacki

Refereed publications (NASA ADS): Calendar Year 2016 through July 2018

Tornabene, L. L., Seelos, F. P., Pommerol, A., Thomas, N., Caudill, C. M., Becerra, P., Bridges, J. C., Byrne, S., Cardinale, M., Chojnacki, M., Conway, S. J., Cremonese, G., Dundas, C. M., El-Maarry, M. R., Fernando, J., Hansen, C. J., Hansen, K., Harrison, T. N., Henson, R., Marinangeli, L., McEwen, A. S., Pajola, M., Sutton, S. S., Wray, J. J. Image Simulation and Assessment of the Colour and Spatial Capabilities of the Colour and Stereo Surface Imaging System (CaSSIS) on the ExoMars Trace Gas Orbiter 2018SSRv..214...18T

Chojnacki, M., Banks, M., Urso, A. Wind-Driven Erosion and Exposure Potential at Mars 2020 Rover Candidate-Landing Sites 2018JGRE..123..468C

Urso, A., Chojnacki, M., Vaz, D. A. Dune-Yardang Interactions in Becquerel Crater, Mars 2018JGRE..123..353U

Dundas, C. M., McEwen, A. S., Chojnacki, M., Milazzo, M. P., Byrne, S., McElwaine, J. N., Urso, A. Granular flows at recurring slope lineae on Mars indicate a limited role for liquid water 2017NatGe..10..903D

Chojnacki, M., Fenton, L. K. The Geologic Exploration of the Bagnold Dune Field at Gale Crater by the Curiosity Rover 2017JGRE..122.2216C

Chojnacki, M., Urso, A., Fenton, L. K., Michaels, T. I. Aeolian dune sediment flux heterogeneity in Meridiani Planum, Mars 2017AeoRe..26...73C

Chojnacki, M., Telfer, M. W. Editorial Introduction: Fourth Planetary Dunes Workshop Special Issue 2017AeoRe..26....1C

Chojnacki, M., McEwen, A., Dundas, C., Ojha, L., Urso, A., Sutton, S. Geologic context of recurring slope lineae in Melas and Coprates Chasmata, Mars 2016JGRE..121.1204C

Wray, J. J., Murchie, S. L., Bishop, J. L., Ehlmann, B. L., Milliken, R. E., Wilhelm, M. B., Seelos, K. D., Chojnacki, M. Orbital evidence for more widespread carbonate-bearing rocks on Mars 2016JGRE..121..652W

Daubar, I. J., Dundas, C. M., Byrne, S., Geissler, P., Bart, G. D., McEwen, A. S., Russell, P. S., Chojnacki, M., Golombek, M. P. Changes in blast zone albedo patterns around new martian impact craters 2016Icar..267...86D

Diot, X., El-Maarry, M. R., Schlunegger, F., Norton, K. P., Thomas, N., Grindrod, P. M., Chojnacki, M. Complex geomorphologic assemblage of terrains in association with the banded terrain in Hellas basin, Mars 2016P&SS..121...36D

Available filesSizeCreated
PDF icon Chojnacki_CV_062017.pdf204.81 KBAugust 11, 2017

Last updated on March 20, 2018