porkchop plot
in astrodynamics, a chart showing contours of equal characteristic energy against combinations of launch date and arrival date for a particular interplanetary flight
en-US/ˈpoʊɹkˌt͡ʃɑp ˈplɑt/
in astrodynamics, a chart showing contours of equal characteristic energy against combinations of launch date and arrival date for a particular interplanetary flight