Distances:
At 0 hours UTC, Jupiter is 816090735.21 km from the Sun.
At 0 hours UTC, Jupiter is 677378172.20 km from the Earth.
Positions and Motion:
At 0.00 hours UTC, Io is in quadrant 3, 422752.26 km from Jupiter.
===> Maximum Eastern Elongation <===
At 6.00 hours UTC, Io is in quadrant 3, 421273.30 km from Jupiter.
At 12.00 hours UTC, Io is in quadrant 4, 420154.77 km from Jupiter.
At 18.00 hours UTC, Io is in quadrant 4, 420249.34 km from Jupiter.
===> Maximum Western Elongation <===
At 24.00 hours UTC, Io is in quadrant 4, 421481.99 km from Jupiter.
At 0.00 hours UTC, Europa is in quadrant 3, 673691.71 km from Jupiter.
At 6.00 hours UTC, Europa is in quadrant 3, 675835.06 km from Jupiter.
At 12.00 hours UTC, Europa is in quadrant 4, 677063.85 km from Jupiter.
At 18.00 hours UTC, Europa is in quadrant 4, 677125.12 km from Jupiter.
At 24.00 hours UTC, Europa is in quadrant 4, 676007.49 km from Jupiter.
At 0.00 hours UTC, Ganymede is in quadrant 1, 1071870.02 km from Jupiter.
At 6.00 hours UTC, Ganymede is in quadrant 1, 1072184.42 km from Jupiter.
At 12.00 hours UTC, Ganymede is in quadrant 1, 1072419.43 km from Jupiter.
At 18.00 hours UTC, Ganymede is in quadrant 1, 1072561.40 km from Jupiter.
At 24.00 hours UTC, Ganymede is in quadrant 1, 1072599.79 km from Jupiter.
At 0.00 hours UTC, Callisto is in quadrant 1, 1896270.60 km from Jupiter.
At 6.00 hours UTC, Callisto is in quadrant 1, 1896472.44 km from Jupiter.
At 12.00 hours UTC, Callisto is in quadrant 1, 1896568.37 km from Jupiter.
At 18.00 hours UTC, Callisto is in quadrant 1, 1896557.89 km from Jupiter.
At 24.00 hours UTC, Callisto is in quadrant 1, 1896434.28 km from Jupiter.
Io goes through an perijove at 14 hours 35 minutes UTC at a distance of 420025.70 km.
Europa goes through an apojove at 15 hours 18 minutes UTC at a distance of 677249.42 km.
Ganymede goes through an apojove at 23 hours 8 minutes UTC at a distance of 1072600.94 km.
Callisto goes through an apojove at 14 hours 26 minutes UTC at a distance of 1896577.21 km.
Events:
Io Transit begins at 10 hours 36.0 minutes
Io Shadow Transit begins at 11 hours 8.0 minutes
Io Transit ends at 12 hours 47.0 minutes
Io Shadow Transit ends at 13 hours 20.0 minutes
Europa Transit begins at 6 hours 39.0 minutes
Europa Shadow Transit begins at 7 hours 44.0 minutes
Europa Transit ends at 9 hours 3.0 minutes
Europa Shadow Transit ends at 10 hours 11.0 minutes
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
Orbital Ribbons: These are the spacial and temporal connections between the four Jovian Moons
'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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