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Chaikovskij (sometimes Tchaikovsky) is a crater on Mercury. It has a diameter of 165 kilometers. Its name was adopted by the International Astronomical Union in 1976. Chaikovskij is named for the Russian composer Pyotr Ilyich Tchaikovsky, who lived from 1840 to 1893.
- ^ Moore, Patrick (2000). The Data Book of Astronomy. Institute of Physics Publishing. ISBN 0-7503-0620-3.
- ^ "Chaikovskij". Gazetteer of Planetary Nomenclature. NASA. Retrieved 30 June 2012.