The word for today is…
trajectory (noun):
1: the curve that a body (such as a planet or comet in its orbit or a rocket) describes in space
2: a path, progression, or line of development resembling a physical trajectory
Source : Merriam -Webster
Etymology : Formed with part of the prefix trans-, "across", trajectory means a "hurling across". By calculating the effect of gravity and other forces, the trajectory of an object launched into space at a known speed can be computed precisely. Missiles stand a chance of hitting their target only if their trajectory has been plotted accurately. The word is used most often in physics and engineering, but not always; we can also say, for example, that the trajectory of a whole life may be set in a person's youth, or that a new book traces the long trajectory of the French empire.
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