Distances:
At 0 hours UTC, Jupiter is 814338700.27 km from the Sun.
16680.25 km closer to the Sun than yesterday
Moving towards the Sun at a radial velocity of 695.01 km/h
(4.79 km/h faster than yesterday)
At 0 hours UTC, Jupiter is 957553446.53 km from the Earth.
585209.22 km further from the Earth than yesterday
Moving away the Earth at a radial velocity of 24383.72 km/h
(1274.62 km/h slower than yesterday)
Positions and Motion:
At 0.00 hours UTC, Io is in quadrant 2, 420721.28 km from Jupiter.
At 6.00 hours UTC, Io is in quadrant 2, 420008.85 km from Jupiter.
===> Maximum Eastern Elongation <===
At 12.00 hours UTC, Io is in quadrant 3, 420621.42 km from Jupiter.
At 18.00 hours UTC, Io is in quadrant 4, 422087.15 km from Jupiter.
At 24.00 hours UTC, Io is in quadrant 4, 423308.78 km from Jupiter.
At 0.00 hours UTC, Europa is in quadrant 2, 676716.42 km from Jupiter.
At 6.00 hours UTC, Europa is in quadrant 2, 677242.72 km from Jupiter.
===> Maximum Eastern Elongation <===
At 12.00 hours UTC, Europa is in quadrant 3, 676559.79 km from Jupiter.
At 18.00 hours UTC, Europa is in quadrant 3, 674814.34 km from Jupiter.
At 24.00 hours UTC, Europa is in quadrant 3, 672349.62 km from Jupiter.
At 0.00 hours UTC, Ganymede is in quadrant 1, 1071815.45 km from Jupiter.
At 6.00 hours UTC, Ganymede is in quadrant 1, 1071322.61 km from Jupiter.
At 12.00 hours UTC, Ganymede is in quadrant 2, 1070790.45 km from Jupiter.
At 18.00 hours UTC, Ganymede is in quadrant 2, 1070248.06 km from Jupiter.
At 24.00 hours UTC, Ganymede is in quadrant 2, 1069722.90 km from Jupiter.
At 0.00 hours UTC, Callisto is in quadrant 3, 1868814.53 km from Jupiter.
At 6.00 hours UTC, Callisto is in quadrant 3, 1868850.05 km from Jupiter.
At 12.00 hours UTC, Callisto is in quadrant 3, 1869009.05 km from Jupiter.
At 18.00 hours UTC, Callisto is in quadrant 3, 1869281.73 km from Jupiter.
At 24.00 hours UTC, Callisto is in quadrant 3, 1869663.07 km from Jupiter.
At 0.00 hours UTC, Juno is in quadrant 3, 7490790.03 km from Jupiter.
At 6.00 hours UTC, Juno is in quadrant 3, 7457654.73 km from Jupiter.
At 12.00 hours UTC, Juno is in quadrant 3, 7423459.31 km from Jupiter.
At 18.00 hours UTC, Juno is in quadrant 3, 7388202.91 km from Jupiter.
At 24.00 hours UTC, Juno is in quadrant 3, 7351888.60 km from Jupiter.
Io goes through an perijove at 6 hours 15 minutes UTC at a distance of 420007.67 km.
Europa goes through an apojove at 5 hours 36 minutes UTC at a distance of 677245.36 km.
Callisto goes through an perijove at 1 hours 21 minutes UTC at a distance of 1868811.20 km.
Audio:
Events:
Io Transit begins at 17 hours 46.0 minutes
Io Shadow Transit begins at 18 hours 5.0 minutes
Io Transit ends at 19 hours 58.0 minutes
Io Shadow Transit ends at 20 hours 16.0 minutes
Ganymede Occultation disappears at 10 hours 54.0 minutes
Ganymede Eclipse reappears at 14 hours 23.8 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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