139P/Väisälä–Oterma is a periodic comet in the Solar System. When it was discovered in 1939 it was not recognized as a comet and designated as asteroid 1939 TN.…
139P/Väisälä–Oterma is a periodic comet in the Solar System. When it was discovered in 1939 it was not recognized as a comet and designated as asteroid 1939 TN.
References
External links
at the Minor Planet Center database 139P/Väisälä–Oterma at Seiichi Yoshida's website 139P/Väisälä–Oterma at Gary W. Kronk's Cometography
Gebaseerd op: Wikipedia — 139P/Väisälä–Oterma · auteursgeschiedenis.
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