Fig. 1
From: Mars Mineralogical Spectrometer (MMS) on the Tianwen-1 Mission

The orbiter and the remote sensing orbit. a) Installation location of MMS on Tianwen-1’s Mars orbiter; b) The top view of MMS; c) Schedule of MMS in remote sensing orbit. The period of the elliptical orbit is 7.8 hours, and the duration of nadir observation stage is about 26 minutes