n MNASSA : Monthly Notes of the Astronomical Society of South Africa - The surprise comet of 2007, 17P/Holmes : news note

Volume 66, Issue 11_12
  • ISSN : 0024-8266



Every 6.88 years a nondescript little comet rounds the Sun at just over 2 AU, never getting closer than 1.06 AU to Earth. With an orbit that lies entirely between Mars en Jupiter and an estimated nucleus diameter of 3.4 km, 17P/Holmes barely gets bright enough to register on long exposure photographic or CCD images.

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