Asteroid 13658, Sylvester, was discovered on March 18, 1997 by P. G. Comba at Prescott, Arizona. It has a period of 3 years, 78 days.
It was named for British mathematician James Joseph Sylvester (1814-1897).
James Joseph Sylvester
Asteroid Sylvester seems to signify: awareness of danger, alarm, to raise the alarm.