Distances:
At 0 hours UTC, Jupiter is 816131100.52 km from the Sun.
At 0 hours UTC, Jupiter is 670950943.77 km from the Earth.
Positions:
At 0.00 hours UTC, Io is in quadrant 1, 420471.84 km from Jupiter.
At 6.00 hours UTC, Io is in quadrant 1, 421859.50 km from Jupiter.
At 12.00 hours UTC, Io is in quadrant 2, 423169.45 km from Jupiter.
At 18.00 hours UTC, Io is in quadrant 2, 423441.61 km from Jupiter.
At 24.00 hours UTC, Io is in quadrant 2, 422478.49 km from Jupiter.
At 0.00 hours UTC, Europa is in quadrant 2, 665192.32 km from Jupiter.
At 6.00 hours UTC, Europa is in quadrant 2, 666615.59 km from Jupiter.
At 12.00 hours UTC, Europa is in quadrant 3, 668902.13 km from Jupiter.
===> Maximum eastern elongation <===
At 18.00 hours UTC, Europa is in quadrant 3, 671602.40 km from Jupiter.
At 24.00 hours UTC, Europa is in quadrant 3, 674195.71 km from Jupiter.
At 0.00 hours UTC, Ganymede is in quadrant 4, 1070371.11 km from Jupiter.
At 6.00 hours UTC, Ganymede is in quadrant 4, 1070845.87 km from Jupiter.
At 12.00 hours UTC, Ganymede is in quadrant 4, 1071295.62 km from Jupiter.
At 18.00 hours UTC, Ganymede is in quadrant 1, 1071703.71 km from Jupiter.
===> Maximum western elongation <===
At 24.00 hours UTC, Ganymede is in quadrant 1, 1072054.27 km from Jupiter.
At 0.00 hours UTC, Callisto is in quadrant 3, 1869017.79 km from Jupiter.
At 6.00 hours UTC, Callisto is in quadrant 3, 1868954.91 km from Jupiter.
At 12.00 hours UTC, Callisto is in quadrant 4, 1869026.72 km from Jupiter.
At 18.00 hours UTC, Callisto is in quadrant 4, 1869234.72 km from Jupiter.
At 24.00 hours UTC, Callisto is in quadrant 4, 1869572.44 km from Jupiter.
Io goes through an apojove at 16 hours 15 minutes UTC at a distance of 423499.58 km.
Callisto goes through an perijove at 5 hours 51 minutes UTC at a distance of 1868954.86 km.
Earth direction along green line to the left
Sun direction along blue line to the left
Orbits
as seen from above. Moons orbit counter-clockwise. Black dots
represent location of respective moon at 0h, 6h, 12h, 18h, and 24h UTC.
Purple path: Io
Blue path: Europa
Yellow path: Ganymede
Red path: Callisto
Events:
Io Occultation disappears at 11 hours 34.0 minutes
Io Eclipse reappears at 14 hours 8.4 minutes
'Jupiter Today' is a daily blog focusing attention on the dynamic Jupiter system for the purpose of monitoring activity. Please join me every day as I provide a report on events taking place over the next 24 hours at, and in the environment of, our solar system's largest planet.
Published every day sometime between 0h and 3h UTC.
Data used on this page is provided by JPL's HORIZONS ephemeris generator.
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Jupiter Today | 31 December 2017
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