Radar observations of 8P/Tuttle: A contact-binary comet

John K. Harmon, Michael C. Nolan, Jon D. Giorgini, Ellen S. Howell

Research output: Contribution to journalArticlepeer-review

46 Scopus citations


Arecibo radar imagery of Comet 8P/Tuttle reveals a 10-km-long nucleus with a highly bifurcated shape consistent with a contact binary. A separate echo component was also detected from large (>cm-size), slow-moving grains of the type expected to contribute to the Ursid meteor stream.

Original languageEnglish (US)
Pages (from-to)499-502
Number of pages4
Issue number1
StatePublished - May 2010
Externally publishedYes


  • Comets
  • Comets, Nucleus
  • Radar observations

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science


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