38P/Stephan–Oterma photograph

38P/Stephan–Oterma

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Orbital period38 years
DiscoveredJanuary 22, 1867
Semimajor axis11 m
Next perihelionAugust 28, 2056
Orbital eccentricity0. 86002
Discoverers Liisi Oterma
Jérôme Eugène Coggia
Date of Reg.
Date of Upd.
ID2196987
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About 38P/Stephan–Oterma


38P/Stephan–Oterma is a periodic comet with an orbital period of 38 years. It fits the classical definition of a Halley-type comet with. It was discovered in January 1867, by Jérôme Eugène Coggia at Marseilles Observatory, France. 38P/Stephan–Oterma last came to perihelion on November 10, 2018.

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