102P/Shoemaker, also known as Shoemaker 1, is a Jupiter-family comet with a 7.47-year orbit around the Sun. It was first seen in 1984, and then again in 1991. Images taken of it in 1999 were not recognized until 2006 when it was once again observed. It was unexpectedly dim in each of these returns.
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External links
at the Minor Planet Center database 102P/Shoemaker at Gary W. Kronk's Cometography 102P/Shoemaker at Seiichi Yoshida's website IAU Central Bureau for Astronomical Telegrams Circular No. 5361 giving visual magnitude estimates for 1991 observations. IAU Central Bureau for Astronomical Telegrams Circular No. 5336 giving calculated orbit based on 1991 observations. IAU Central Bureau for Astronomical Telegrams Circular No. 4017. Describing more visual magnitude estimates and orbital parameters from 1984. IAU Central Bureau for Astronomical Telegrams Circular No. 4002. Describing visual magnitude estimates of comet from 1984. IAU Central Bureau for Astronomical Telegrams Circular No. 4000. Describing positions of comet observed in 1984. Also mentions close pass of Jupiter calculated to have occurred in 1980. IAU Central Bureau for Astronomical Telegrams Circular No. 3998 Describing the initial calculation of the comet's orbit in 1984