ASSISTANCE DEVICE AND STRADDLE TYPE VEHICLE

The present invention can realize a relatively simple parking operation of a straddle type vehicle. The present invention is related to an assistance device that assists an operation of a straddle type vehicle, the assistance device comprising acquisition means for acquiring steering angle information indicating a steering angle of the straddle type vehicle and inclination angle information indicating an inclination of a vehicle body of the straddle type vehicle, calculation means for calculating a trajectory of the straddle type vehicle, in a case of performing handling the straddle type vehicle, based on the steering angle information and the inclination angle information, and output means for outputting information indicating the trajectory.