15669 Pshenichner

15669 Pshenichner (provisional designation: 1974 ST1) is a main-belt minor planet. It was discovered by Lyudmila Chernykh at the Crimean Astrophysical Observatory near Nauchnyj, Ukraine, on September 19, 1974. It is named after Boris Grigor'evich Pshenichner, a Russian space educator.

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