Distances:
At 0 hours UTC, Jupiter is 815734721.69 km from the Sun.
8913.92 km closer to the Sun than yesterday
Moving towards the Sun at a radial velocity of 371.41 km/h
(1.50 km/h faster than yesterday)
At 0 hours UTC, Jupiter is 764289088.84 km from the Earth.
2240659.84 km further from the Earth than yesterday
Moving away from the Earth at a radial velocity of 93360.83 km/h
(434.41 km/h faster than yesterday)
Positions and Motion:
At 0.00 hours UTC, Io is in quadrant 4, 420025.16 km from Jupiter.
At 6.00 hours UTC, Io is in quadrant 4, 420854.87 km from Jupiter.
===> Maximum Western Elongation <===
At 12.00 hours UTC, Io is in quadrant 4, 422359.62 km from Jupiter.
At 18.00 hours UTC, Io is in quadrant 1, 423424.37 km from Jupiter.
At 24.00 hours UTC, Io is in quadrant 1, 423269.29 km from Jupiter.
At 0.00 hours UTC, Europa is in quadrant 3, 677124.49 km from Jupiter.
At 6.00 hours UTC, Europa is in quadrant 4, 676454.38 km from Jupiter.
At 12.00 hours UTC, Europa is in quadrant 4, 674743.13 km from Jupiter.
At 18.00 hours UTC, Europa is in quadrant 4, 672320.37 km from Jupiter.
===> Maximum Western Elongation <===
At 24.00 hours UTC, Europa is in quadrant 4, 669645.07 km from Jupiter.
At 0.00 hours UTC, Ganymede is in quadrant 1, 1072169.23 km from Jupiter.
===> Maximum Western Elongation <===
At 6.00 hours UTC, Ganymede is in quadrant 1, 1072541.26 km from Jupiter.
At 12.00 hours UTC, Ganymede is in quadrant 1, 1072806.56 km from Jupiter.
At 18.00 hours UTC, Ganymede is in quadrant 1, 1072948.73 km from Jupiter.
At 24.00 hours UTC, Ganymede is in quadrant 1, 1072963.15 km from Jupiter.
At 0.00 hours UTC, Callisto is in quadrant 1, 1896168.86 km from Jupiter.
At 6.00 hours UTC, Callisto is in quadrant 1, 1896429.91 km from Jupiter.
At 12.00 hours UTC, Callisto is in quadrant 1, 1896578.70 km from Jupiter.
At 18.00 hours UTC, Callisto is in quadrant 1, 1896604.35 km from Jupiter.
At 24.00 hours UTC, Callisto is in quadrant 1, 1896499.75 km from Jupiter.
At 0.00 hours UTC, Juno is in quadrant 3, 7838422.33 km from Jupiter.
At 6.00 hours UTC, Juno is in quadrant 3, 7818469.74 km from Jupiter.
At 12.00 hours UTC, Juno is in quadrant 3, 7797586.93 km from Jupiter.
At 18.00 hours UTC, Juno is in quadrant 3, 7775768.42 km from Jupiter.
At 24.00 hours UTC, Juno is in quadrant 3, 7752998.54 km from Jupiter.
Io goes through an apojove at 20 hours 18 minutes UTC at a distance of 423525.39 km.
Ganymede goes through an apojove at 21 hours 40 minutes UTC at a distance of 1072972.57 km.
Callisto goes through an apojove at 16 hours 13 minutes UTC at a distance of 1896610.13 km.
Audio:
Events:
Io Shadow Transit begins at 0 hours 29.0 minutes
Io Transit ends at 1 hour 28.0 minutes
Io Shadow Transit ends at 2 hours 39.0 minutes
Io Occultation disappears at 20 hours 30.0 minutes
Io Eclipse reappears at 23 hours 56.9 minutes
Europa Transit ends at 2 hours 2.0 minutes
Europa Shadow Transit begins at 2 hours 5.0 minutes
Europa Shadow Transit ends at 4 hours 29.0 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. Black dot indicates location of Jupiter
Distances and motion between Moons: Position, Velocity, Acceleration, Jerk, Jounce, and Crackle.
'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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