A Poetic Asteroid Moon
September 4, 2001

Astronomers have discovered a satellite orbiting asteroid Kalliope. by Vanessa Thomas It seems there is a poetry lover among the rocky members of our solar system. Last week, two teams of astronomers independently discovered a small body orbiting orbiting (22) Kalliope, a main-belt asteroid named after the Greek muse of epic poetry.

Jean-Luc Margot and Michael Brown of the California Institute of Technology first spotted the asteroid moon on August 29 while observing Kalliope with the 10-meter Keck II telescope atop Mauna Kea in Hawaii. A second team led by William Merline of the Southwest Research Institute noticed Kalliope's satellite just a few days later while using the 3.6-meter Canada-France-Hawaii Telescope (CFHT), also at Mauna Kea. Both teams reported the discovery to the International Astronomical Union's Central Bureau for Astronomical Telegrams (CBAT) on Monday, September 3.

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