Results showing only a part, for clarity, of the best fits obtained from our simulations (reduced χ2 < 5.6). For each reduced χ2, the amount of each material, with low mFS in the models, is indicated. For example, there is a model (presented in Fig. 4) with a reduced χ2 of ~2.83 (representedby the vertical dashed line) composed of ~53% of Tagish Lake (desiccated at 102° C), and ~27% of DOM 08003 (measured at 300° C). The remaining ~20% is Mokoia (measured at 300° C and not represented for clarity and due to its higher mFS). All constituents located in the upper left part represent the best analogs tested in this work for Bennu’s surface. The legend below the plot reports the lowest 20 minimum FS (mFS) values obtained from our simulations.
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