Sacred Earth Open-Air 2019
June 7 @ 12:00 pm - June 10 @ 12:00 pm$70.00 – $95.00
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Jupiter will be well placed for observation, in the constellation Ophiuchus. It will be visible for much of the night, reaching its highest point in the sky at around midnight local time.
From Minneapolis, it will be visible between 21:43 and 04:38. It will become accessible at around 21:43, when it rises 7° above the south-eastern horizon, and then reach its highest point in the sky at 01:13, 22° above the southern horizon. It will become inaccessible at around 04:38 when it sinks to 7° above the south-western horizon.
Jupiter at Opposition
This optimal positioning occurs when Jupiter is almost directly opposite the Sun in the sky. Since the Sun reaches its greatest distance below the horizon at midnight, the point opposite to it is highest in the sky at the same time.
At around the same time that Jupiter passes opposition, it also makes its closest approach to the Earth – termed its perigee – making it appear at its brightest and largest.
This happens because when Jupiter lies opposite the Sun in the sky, the solar system is lined up so that Jupiter, the Earth and the Sun form a straight line with the Earth in the middle, on the same side of the Sun as Jupiter.
In practice, however, Jupiter orbits much further out in the solar system than the Earth – at an average distance from the Sun of 5.20 times that of the Earth, and so its angular size does not vary much as it cycles between opposition and solar conjunction.
On this occasion, Jupiter will lie at a distance of 4.28 AU, and its disk will measure 45.0 arcsec in diameter, shining at magnitude -2.6. Even at its closest approach to the Earth, however, it is not possible to distinguish it as more than a star-like point of light with the naked eye, though a good pair of binoculars is sufficient to reveal it as a disk of light with accompanying system of moons.