Based on @naltobel comment on Feb. 7 tag-up meeting, the [current definition of the groundtrack velocity](https://juigitlab.esac.esa.int/datalab/moon-coverage/-/blob/13080dad8f9ec6f5d436b364075d2aa5d23c1d8c/moon_coverage/spice/toolbox.py#L738) needs to be updated. More details are required.