Europlanet Science Congress 2022
Palacio de Congresos de Granada, Spain
18 – 23 September 2022
Europlanet Science Congress 2022
Palacio de Congresos de Granada, Spain
18 September – 23 September 2022
EPSC Abstracts
Vol. 16, EPSC2022-705, 2022
Europlanet Science Congress 2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.

Onwards to Europa: Results from the final ground calibration of the MASPEX-Europa flight instrument

Kelly Miller1,2, Greg Miller2, Hunter Waite2, Tim Brockwell2, Kurt Franke2, Paul Hoeper2, Rebecca Perryman2, Christopher Glein2, Jim Burch2, and the MASPEX science and engineering teams*
Kelly Miller et al.
  • 1(
  • 2Southwest Research Institute
  • *A full list of authors appears at the end of the abstract

The MAss Spectrometer for Planetary EXploration (MASPEX) instrument is a multi-bounce time-of-flight mass spectrometer designed for high mass resolution and sensitivity. MASPEX-Europa will launch as part of the Europa Clipper mission payload in October 2024 to characterize the composition of major, minor, and trace neutral gases in Europa’s exosphere and potential plumes. The instrument has been designed to optimize measurement of complex natural environments with:

  • Variable mass resolution to support compositional reconnaissance with simultaneous measurement of ions from 2 u to 500 u at separation of unit masses, as well as focused analysis with mass resolution capable of separating CHN- and CHO-bearing organics over a more narrow mass range
  • Nearly 100% duty cycle via storage of ions in the source between extraction pulses
  • Exact mass identification via measurement in flight of the FC-43 calibrant gas
  • Measurement of trace compounds via enhancement of abundance with the cryocooler
  • Automated switching triggered in flight between “regular” and “ice grain” measurement parameters for optimization of data collection

These adaptations make MASPEX especially well-suited for data collection in a dynamic environment where measurement speed is important. The capability to provide both general and highly specific data on the composition of volatile and organic mixtures makes MASPEX very powerful to quantify habitability via geochemical indicators, and to search for the first, perhaps tentative signs of life beyond Earth via measurements of agnostic biosignatures such as isotopic ratios.

In this presentation, we will provide results from the final calibration and performance characterization of the MASPEX-Europa flight model instrument completed in summer 2022. We will also present the science that will be enabled for Europa Clipper, and how new scientific and technical innovations will allow MASPEX to open more windows into planetary evolution, cosmochemistry, and astrobiology for future missions.

MASPEX science and engineering teams:

Joseph Alexander, Chip Beebe, Ryan Blase, Scott Bolton, Greg Dirks, Greg Dunn, Ron Focia, John Hanley, Brian Magee, Melissa McGrath, William McKinnon, Olivier Mousis, Brandon Perez, Steve Persyn, Zachary Moorhead-Rosenberg, Christine Ray, Ryan Rickerson, Mark Sephton, Everett Shock, John Stone, Ben Teolis, Yvette Tyler, Carlos Urdiales, Paul Wilson, Danielle Wyrick, Mikhail Zolotov

How to cite: Miller, K., Miller, G., Waite, H., Brockwell, T., Franke, K., Hoeper, P., Perryman, R., Glein, C., and Burch, J. and the MASPEX science and engineering teams: Onwards to Europa: Results from the final ground calibration of the MASPEX-Europa flight instrument, Europlanet Science Congress 2022, Granada, Spain, 18–23 Sep 2022, EPSC2022-705,, 2022.

Corresponding presentation materials formerly uploaded have been withdrawn.


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