Distances:
At 0 hours UTC, Jupiter is 815489259.57 km from the Sun.
10547.73 km closer to the Sun than yesterday
Moving towards the Sun at a radial velocity of -439.49 km/h
(-2.31 km/h slower than yesterday)
At 0 hours UTC, Jupiter is 821821016.73 km from the Earth.
2299746.64 km further from the Earth than yesterday
Moving away the Earth at a radial velocity of 95822.78 km/h
(165.79 km/h slower than yesterday)
Positions and Motion:
At 0.00 hours UTC, Io is in quadrant 4, 421250.89 km from Jupiter.
===> Maximum Western Elongation <===
At 6.00 hours UTC, Io is in quadrant 4, 422748.23 km from Jupiter.
At 12.00 hours UTC, Io is in quadrant 1, 423515.01 km from Jupiter.
At 18.00 hours UTC, Io is in quadrant 2, 422993.74 km from Jupiter.
At 24.00 hours UTC, Io is in quadrant 2, 421562.35 km from Jupiter.
At 0.00 hours UTC, Europa is in quadrant 4, 675925.56 km from Jupiter.
At 6.00 hours UTC, Europa is in quadrant 4, 673922.16 km from Jupiter.
At 12.00 hours UTC, Europa is in quadrant 4, 671369.69 km from Jupiter.
At 18.00 hours UTC, Europa is in quadrant 4, 668753.79 km from Jupiter.
===> Maximum Western Elongation <===
At 24.00 hours UTC, Europa is in quadrant 4, 666580.17 km from Jupiter.
At 0.00 hours UTC, Ganymede is in quadrant 3, 1068865.78 km from Jupiter.
===> Maximum Eastern Elongation <===
At 6.00 hours UTC, Ganymede is in quadrant 3, 1068454.97 km from Jupiter.
At 12.00 hours UTC, Ganymede is in quadrant 3, 1068144.13 km from Jupiter.
At 18.00 hours UTC, Ganymede is in quadrant 3, 1067946.68 km from Jupiter.
At 24.00 hours UTC, Ganymede is in quadrant 3, 1067868.94 km from Jupiter.
At 0.00 hours UTC, Callisto is in quadrant 3, 1869394.49 km from Jupiter.
At 6.00 hours UTC, Callisto is in quadrant 3, 1869145.08 km from Jupiter.
At 12.00 hours UTC, Callisto is in quadrant 3, 1869024.01 km from Jupiter.
At 18.00 hours UTC, Callisto is in quadrant 3, 1869038.47 km from Jupiter.
At 24.00 hours UTC, Callisto is in quadrant 3, 1869187.89 km from Jupiter.
At 0.00 hours UTC, Juno is in quadrant 2, 3536934.59 km from Jupiter.
At 6.00 hours UTC, Juno is in quadrant 2, 3669511.27 km from Jupiter.
At 12.00 hours UTC, Juno is in quadrant 2, 3797881.20 km from Jupiter.
At 18.00 hours UTC, Juno is in quadrant 2, 3922311.79 km from Jupiter.
At 24.00 hours UTC, Juno is in quadrant 2, 4043034.03 km from Jupiter.
Io goes through an apojove at 12 hours 37 minutes UTC at a distance of 423522.14 km.
Callisto goes through an perijove at 14 hours 22 minutes UTC at a distance of 1869013.37 km.
Audio:
Events:
Io Occultation disappears at 15 hours 12.0 minutes
Io Eclipse reappears at 18 hours 40.2 minutes
Europa Shadow Transit ends at 1 hour 39.0 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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