Transit Of Mercury From Venus

A transit of Mercury across the Sun as seen from Venus takes place when the planet Mercury passes directly between the Sun and Venus, obscuring a small part of the Sun's disc for an observer on Venus. During a transit, Mercury can be seen from Venus as a small black disc moving across the face of the Sun. Transits of Mercury from Venus occur in an irregular fashion: sometimes there are several per decade, while on other occasions there are longer gaps. The overall frequency seems to be somewhat greater than the frequency of transits of Mercury from Earth. Naturally, no one has ever seen a transit of Mercury from Venus. The Mercury-Venus synodic period is 144.5662 days. It can be calculated using the formula 1/(1/P-1/Q), where P is the orbital period of Mercury (87.968435 days) and Q is the orbital period of Venus (224.695434 days). The inclination of Mercury's orbit with respect to Venus's ecliptic is 4.33°, which is less than its value of 7.00° with respect to Earth's ecliptic. The transit that occurred on March 21 1894 was particularly interesting, because during the transit of Mercury from Venus there was simultaneously a transit of Venus from Saturn and a transit of Mercury from Saturn.
colspan="2"|Transits of Mercury from Venus
March 21 1894 http://space.jpl.nasa.gov/cgi-bin/wspace?tbody=1&vbody=2&month=3&day=21¢ury=18&decade=9&year=4&hour=23&minute=0&fovmul=1&rfov=3&bfov=3&porbs=1
http://space.jpl.nasa.gov/cgi-bin/wspace?tbody=0&vbody=6&month=3&day=21¢ury=18&decade=9&year=4&hour=23&minute=0&fovmul=1&rfov=0.25&bfov=0.25&porbs=1
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November 17 2005 http://space.jpl.nasa.gov/cgi-bin/wspace?tbody=1&vbody=2&month=11&day=17¢ury=20&decade=0&year=5&hour=16&minute=0&fovmul=1&rfov=3&bfov=3&porbs=1
June 4 2007 http://space.jpl.nasa.gov/cgi-bin/wspace?tbody=1&vbody=2&month=6&day=4¢ury=20&decade=0&year=7&hour=2&minute=0&fovmul=1&rfov=1&bfov=1&porbs=1
June 3 2011 http://space.jpl.nasa.gov/cgi-bin/wspace?tbody=1&vbody=2&month=6&day=3¢ury=20&decade=1&year=1&hour=8&minute=0&fovmul=1&rfov=1&bfov=1&porbs=1
December 18 2012 http://space.jpl.nasa.gov/cgi-bin/wspace?tbody=1&vbody=2&month=12&day=18¢ury=20&decade=1&year=2&hour=8&minute=0&fovmul=1&rfov=1&bfov=1&porbs=1
December 17 2016 http://space.jpl.nasa.gov/cgi-bin/wspace?tbody=1&vbody=2&month=12&day=17¢ury=20&decade=1&year=6&hour=1&minute=0&fovmul=1&rfov=1&bfov=1&porbs=1
July 2 2022 http://space.jpl.nasa.gov/cgi-bin/wspace?tbody=1&vbody=2&month=7&day=2¢ury=20&decade=2&year=2&hour=18&minute=0&fovmul=1&rfov=1&bfov=1&porbs=1
January 16 2028 http://space.jpl.nasa.gov/cgi-bin/wspace?tbody=1&vbody=2&month=1&day=16¢ury=20&decade=2&year=8&hour=10&minute=0&fovmul=1&rfov=1&bfov=1&porbs=1
August 1 2033 http://space.jpl.nasa.gov/cgi-bin/wspace?tbody=1&vbody=2&month=8&day=1¢ury=20&decade=3&year=3&hour=2&minute=30&fovmul=1&rfov=1&bfov=1&porbs=1
June 24 2058 http://space.jpl.nasa.gov/cgi-bin/wspace?tbody=1&vbody=2&month=6&day=24¢ury=20&decade=5&year=8&hour=22&minute=30&fovmul=1&rfov=3&bfov=3&porbs=1
June 24 2062 http://space.jpl.nasa.gov/cgi-bin/wspace?tbody=1&vbody=2&month=6&day=24¢ury=20&decade=6&year=2&hour=14&minute=0&fovmul=1&rfov=3&bfov=3&porbs=1
January 9 2064 http://space.jpl.nasa.gov/cgi-bin/wspace?tbody=1&vbody=2&month=1&day=9¢ury=20&decade=6&year=4&hour=4&minute=0&fovmul=1&rfov=3&bfov=3&porbs=1
January 8 2068 http://space.jpl.nasa.gov/cgi-bin/wspace?tbody=1&vbody=2&month=1&day=8¢ury=20&decade=6&year=8&hour=6&minute=0&fovmul=1&rfov=1&bfov=1&porbs=1
July 25 2069 http://space.jpl.nasa.gov/cgi-bin/wspace?tbody=1&vbody=2&month=7&day=25¢ury=20&decade=6&year=9&hour=9&minute=0&fovmul=1&rfov=1&bfov=1&porbs=1

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