The ornamental design for a trailerhitchpositioning apparatus, as shown and described.
FIG. 1 is an isometric view of a trailer hitch positioning apparatus showing my new design.
FIG. 2 is a front elevation view thereof.
FIG. 3 is a top plan view thereof.
FIG. 4 is a left side elevation view thereof.
FIG. 5 is a right side elevation view thereof.
FIG. 6 is a rear elevation view thereof.
FIG. 7 is a bottom plan view thereof.
FIG. 8A is an additional isometric view thereof; and,
FIG. 8B is an additional isometric view thereof in the environment of a trailer gooseneck.
Phantom lines showing of additional parts and accessories in FIGS. 8A and 8B is for illustrative purposes only, and forms no part of the claimed design.