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1988 TK1. Discovered 1988 Oct. 13 by S. Ueda and H. Kaneda at Kushiro.
Named for spherically-shaped green algae that inhabit Lake Akan {see planet (4584)} in Hokkaido, Japan. A protected species since 1894, Marimo can grow as big as a baby’s head: a Marimo with a diameter of 6 cm is estimated to be between 150 and 200 years old. (M 20521)
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(2003). (4494) Marimo. In: Dictionary of Minor Planet Names. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-29925-7_4435
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DOI: https://doi.org/10.1007/978-3-540-29925-7_4435
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