Distances:
At 0 hours UTC, Jupiter is 814835785.85 km from the Sun.
14359.85 km closer to the Sun than yesterday
Moving towards the Sun at a radial velocity of 598.33 km/h
(6.38 km/h faster than yesterday)
At 0 hours UTC, Jupiter is 924343609.12 km from the Earth.
1484401.22 km further from the Earth than yesterday
Moving away the Earth at a radial velocity of 61850.05 km/h
(1020.85 km/h slower than yesterday)
Positions and Motion:
At 0.00 hours UTC, Io is in quadrant 2, 422319.83 km from Jupiter.
At 6.00 hours UTC, Io is in quadrant 2, 420810.69 km from Jupiter.
===> Maximum Eastern Elongation <===
At 12.00 hours UTC, Io is in quadrant 2, 420010.74 km from Jupiter.
At 18.00 hours UTC, Io is in quadrant 3, 420534.48 km from Jupiter.
At 24.00 hours UTC, Io is in quadrant 3, 421976.27 km from Jupiter.
At 0.00 hours UTC, Europa is in quadrant 2, 674719.66 km from Jupiter.
At 6.00 hours UTC, Europa is in quadrant 2, 676454.69 km from Jupiter.
===> Maximum Eastern Elongation <===
At 12.00 hours UTC, Europa is in quadrant 3, 677151.23 km from Jupiter.
At 18.00 hours UTC, Europa is in quadrant 3, 676656.26 km from Jupiter.
At 24.00 hours UTC, Europa is in quadrant 3, 675075.05 km from Jupiter.
At 0.00 hours UTC, Ganymede is in quadrant 3, 1068810.03 km from Jupiter.
At 6.00 hours UTC, Ganymede is in quadrant 4, 1069307.84 km from Jupiter.
At 12.00 hours UTC, Ganymede is in quadrant 4, 1069872.67 km from Jupiter.
At 18.00 hours UTC, Ganymede is in quadrant 4, 1070475.04 km from Jupiter.
At 24.00 hours UTC, Ganymede is in quadrant 4, 1071080.99 km from Jupiter.
At 0.00 hours UTC, Callisto is in quadrant 4, 1870748.63 km from Jupiter.
At 6.00 hours UTC, Callisto is in quadrant 4, 1871439.13 km from Jupiter.
At 12.00 hours UTC, Callisto is in quadrant 4, 1872236.69 km from Jupiter.
At 18.00 hours UTC, Callisto is in quadrant 4, 1873124.85 km from Jupiter.
At 24.00 hours UTC, Callisto is in quadrant 4, 1874086.06 km from Jupiter.
At 0.00 hours UTC, Juno is in quadrant 2, 3062271.69 km from Jupiter.
At 6.00 hours UTC, Juno is in quadrant 2, 3211398.56 km from Jupiter.
At 12.00 hours UTC, Juno is in quadrant 2, 3355035.57 km from Jupiter.
At 18.00 hours UTC, Juno is in quadrant 2, 3493635.42 km from Jupiter.
At 24.00 hours UTC, Juno is in quadrant 2, 3627593.20 km from Jupiter.
Io goes through an perijove at 12 hours 40 minutes UTC at a distance of 420001.82 km.
Europa goes through an apojove at 12 hours 31 minutes UTC at a distance of 677155.83 km.
Audio:
Events:
Io Eclipse reappears at 2 hours 33.5 minutes
Io Transit begins at 20 hours 42.0 minutes
Io Shadow Transit begins at 21 hours 30.0 minutes
Io Transit ends at 22 hours 54.0 minutes
Io Shadow Transit ends at 23 hours 41.0 minutes
Ganymede Transit begins at 2 hours 45.0 minutes
Ganymede Transit ends at 5 hours 15.0 minutes
Ganymede Shadow Transit begins at 6 hours 13.0 minutes
Ganymede Shadow Transit ends at 8 hours 17.0 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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