It takes Jupiter about twelve years to orbit the Sun just once. We, here on Earth, are of course closer to the Sun and go around much faster—once per year. So, every 13 months we “lap” Jupiter. The next lapping event, which astronomers call “opposition”, will be on October 29th of this year. On that night, Jupiter will be in prime viewing position high in the sky around midnight. Between now and then, Jupiter is best viewed after midnight. In fact, it is currently in good position for viewing just before sunrise .... http://newswatch.nationalgeographic.com