Here’s the paper they published about landing site selection (7.5MB PDF): https://spiral.imperial.ac.uk:8443/bitstream/10044/1/48751/2/SPAC321_Author.pdf https:

Here’s the paper they published about landing site selection (7.5MB PDF): https://spiral.imperial.ac.uk:8443/bitstream/10044/1/48751/2/SPAC321_Author.pdf https://spiral.imperial.ac.uk:8443/bitstream/10044/1/48751/2... Table 3 on page 20 of the PDF is a good summary; their main constraints were latitude, elevation, slope (flatness) and rock abundance.