6 articles
102P/Shoemaker 1
102P/Shoemaker 1 is a Jupiter-family periodic comet discovered by Carolyn and Eugene Shoemaker at Palomar in 1984, with a 7.23-year period, 3.2 km nucleus, perihelion 1.97 AU, and large apparition-to-apparition brightness changes.
118P/Shoemaker-Levy 4
118P/Shoemaker-Levy 4, a Jupiter-family periodic comet discovered in 1990 by the Shoemakers and Levy at Palomar; 6.2-year orbit, perihelion 1.83 AU, ~4.8 km nucleus, not hazardous.
121P/Shoemaker-Holt 2
121P/Shoemaker-Holt 2 (1989 E2) is a Jupiter-family comet discovered in March 1989 at Palomar by the Shoemakers and Holt, with an 8.02-year orbit, perihelion 2.65 au, and a nucleus radius near 1.6 km.
128P/Shoemaker-Holt 1-B
128P/Shoemaker-Holt 1-B is the secondary nucleus of Jupiter-family comet 128P/Shoemaker-Holt 1, split from the main nucleus around 1997; period 9.5 years, diameter 4.6 km, perihelion 3.05 AU.
135P/Shoemaker-Levy 8
135P/Shoemaker-Levy 8 is a periodic Jupiter-family comet discovered by Carolyn Shoemaker, Eugene Shoemaker, and David Levy at Palomar Observatory in 1992, the eighth periodic comet found by the team.
137P/Shoemaker-Levy 2
137P/Shoemaker-Levy 2 (1990 UL3) is a Jupiter-family periodic comet discovered by Carolyn Shoemaker in 1990, with a 9.6-year orbit, 5.8-km nucleus, perihelion 1.93 AU, next perihelion July 2028.