Asteroid 18022, Pepper, was discovered on May 13, 1999 by the Lincoln Laboratory Near-Earth Asteroid Research Team (LINEAR) at Socorro, New Mexico. It has a period of 4 years, 259 days.
It was named for Middletown, Maryland high school student and science fair contestant Brian Pepper (born 1986), who won second place in the 2003 Intel International Science and Engineering Fair.
The meaning of asteroid Pepper seems to be : spicing things up (Henk Middelraad); also, temper, assertion, anger, pepper or peppers, people named Pepper.