121P/Shoemaker–Holt
Comet
121P/Shoemaker–Holt, also known as Shoemaker-Holt 2, is a periodic comet in the Solar System. Wikipedia
Orbital period: 3,601 days
Discovered: March 9, 1989
Orbits: Sun
Discoverers: Eugene Merle Shoemaker, Carolyn S. Shoemaker, and Henry E. Holt