Comets - 135P/Shoemaker-Levy 8 - 0135P
Type Periodic Perihelion Date 6 April 2022 Perihelion Distance (q) 2.7 Aphelion Distance (Q) 4.9 Period (Years) 7.4 Eccentricity (e) 0.30 Inclination (i) 6.1 Click for NASA orbit diagram NO MAGNITUDE ESTIMATES ON MPC
Hills Observatory: 1 January 2013 to 26 May 2020
This comet was discovered by Carolyn S. and Eugene M. Shoemaker and David H. Levy on photographic plates exposed with the 0.46-m Schmidt telescope at Palomar Observatory on 5 April 1992. The magnitude was determined as 17.0 and there was possibly a very faint tail towards the west. This team obtained confirming images on 7 and 8 April. A few days after the discovery announcement, A. Savage (Siding Spring, Australia) found a prediscovery image obtained on a plate exposed with the 1.2-m U.K. Schmidt on 30 March. It revealed a tail extending 30 arc seconds to the northwest. The comet was recovered on 22 January 1998 by C. W. Hergenrother. He was using the Smithsonian Astrophysical Observatory's 1.2-m reflector at Mt. Hopkins. The magnitude was given as between 21.7 and 22.0. Hergenrother confirmed the comet with the Lunar and Planetary Laboratory's 1.5-m reflector at the Catalina station on 28 January. He said the coma appeared moderately diffuse and 5 arc seconds across. Date 10x10 mag Error Kphot mag Coma ' 28-Jan-20 19.28 0.01 18.5 0.2