Distances:
At 0 hours UTC, Jupiter is 815083528.63 km from the Sun.
13146.57 km closer to the Sun than yesterday
Moving towards the Sun at a radial velocity of 547.77 km/h
(2.06 km/h faster than yesterday)
At 0 hours UTC, Jupiter is 894096137.69 km from the Earth.
1882219.04 km further from the Earth than yesterday
Moving away the Earth at a radial velocity of 78425.79 km/h
(783.26 km/h slower than yesterday)
Positions and Motion:
At 0.00 hours UTC, Io is in quadrant 1, 423529.92 km from Jupiter.
At 6.00 hours UTC, Io is in quadrant 1, 422977.69 km from Jupiter.
At 12.00 hours UTC, Io is in quadrant 2, 421533.77 km from Jupiter.
===> Maximum Eastern Elongation <===
At 18.00 hours UTC, Io is in quadrant 2, 420258.04 km from Jupiter.
At 24.00 hours UTC, Io is in quadrant 2, 420112.43 km from Jupiter.
At 0.00 hours UTC, Europa is in quadrant 2, 671028.01 km from Jupiter.
At 6.00 hours UTC, Europa is in quadrant 2, 673638.91 km from Jupiter.
At 12.00 hours UTC, Europa is in quadrant 2, 675746.35 km from Jupiter.
===> Maximum Eastern Elongation <===
At 18.00 hours UTC, Europa is in quadrant 3, 676949.80 km from Jupiter.
At 24.00 hours UTC, Europa is in quadrant 3, 677005.99 km from Jupiter.
At 0.00 hours UTC, Ganymede is in quadrant 1, 1072039.03 km from Jupiter.
At 6.00 hours UTC, Ganymede is in quadrant 2, 1071575.52 km from Jupiter.
At 12.00 hours UTC, Ganymede is in quadrant 2, 1071051.03 km from Jupiter.
At 18.00 hours UTC, Ganymede is in quadrant 2, 1070492.22 km from Jupiter.
At 24.00 hours UTC, Ganymede is in quadrant 2, 1069930.72 km from Jupiter.
At 0.00 hours UTC, Callisto is in quadrant 3, 1868780.64 km from Jupiter.
At 6.00 hours UTC, Callisto is in quadrant 3, 1868832.51 km from Jupiter.
At 12.00 hours UTC, Callisto is in quadrant 3, 1869022.13 km from Jupiter.
At 18.00 hours UTC, Callisto is in quadrant 4, 1869343.67 km from Jupiter.
At 24.00 hours UTC, Callisto is in quadrant 4, 1869785.23 km from Jupiter.
At 0.00 hours UTC, Juno is in quadrant 3, 7053548.89 km from Jupiter.
At 6.00 hours UTC, Juno is in quadrant 3, 7007995.60 km from Jupiter.
At 12.00 hours UTC, Juno is in quadrant 3, 6961255.71 km from Jupiter.
At 18.00 hours UTC, Juno is in quadrant 3, 6913303.09 km from Jupiter.
At 24.00 hours UTC, Juno is in quadrant 3, 6864121.20 km from Jupiter.
Io goes through an apojove at 0 hours 29 minutes UTC at a distance of 423534.31 km.
Io goes through an perijove at 21 hours 38 minutes UTC at a distance of 420002.61 km.
Europa goes through an apojove at 21 hours 17 minutes UTC at a distance of 677130.07 km.
Callisto goes through an perijove at 0 hours 45 minutes UTC at a distance of 1868779.59 km.
Audio:
Events:
Io Occultation disappears at 6 hours 33.0 minutes
Io Eclipse reappears at 9 hours 46.6 minutes
Ganymede Occultation disappears at 4 hours 6.0 minutes
Ganymede Occultation reappears at 6 hours 41.0 minutes
Ganymede Eclipse disappears at 8 hours 28.6 minutes
Ganymede Eclipse reappears at 10 hours 36.3 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
Distances: At 0 hours UTC, Jupiter is 812674454.45 km from the Sun. 22550.82 km closer to the Sun than yesterday Moving towards ...
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