Distances:
At 0 hours UTC, Jupiter is 813991937.76 km from the Sun.
18080.29 km closer to the Sun than yesterday
Moving towards the Sun at a radial velocity of 753.35 km/h
(6.30 km/h faster than yesterday)
At 0 hours UTC, Jupiter is 962646175.87 km from the Earth.
50807.70 km closer to the Earth than yesterday
Moving towards the Earth at a radial velocity of 2116.99 km/h
(1353.08 km/h faster than yesterday)
Positions and Motion:
At 0.00 hours UTC, Io is in quadrant 3, 421204.26 km from Jupiter.
At 6.00 hours UTC, Io is in quadrant 4, 422712.35 km from Jupiter.
At 12.00 hours UTC, Io is in quadrant 4, 423515.00 km from Jupiter.
===> Maximum Western Elongation <===
At 18.00 hours UTC, Io is in quadrant 4, 423028.55 km from Jupiter.
At 24.00 hours UTC, Io is in quadrant 4, 421612.36 km from Jupiter.
At 0.00 hours UTC, Europa is in quadrant 1, 666208.00 km from Jupiter.
At 6.00 hours UTC, Europa is in quadrant 1, 668383.37 km from Jupiter.
At 12.00 hours UTC, Europa is in quadrant 1, 671073.66 km from Jupiter.
At 18.00 hours UTC, Europa is in quadrant 1, 673750.41 km from Jupiter.
At 24.00 hours UTC, Europa is in quadrant 1, 675902.94 km from Jupiter.
At 0.00 hours UTC, Ganymede is in quadrant 4, 1072828.80 km from Jupiter.
===> Maximum Western Elongation <===
At 6.00 hours UTC, Ganymede is in quadrant 4, 1072990.59 km from Jupiter.
At 12.00 hours UTC, Ganymede is in quadrant 1, 1073028.69 km from Jupiter.
At 18.00 hours UTC, Ganymede is in quadrant 1, 1072937.31 km from Jupiter.
At 24.00 hours UTC, Ganymede is in quadrant 1, 1072716.78 km from Jupiter.
At 0.00 hours UTC, Callisto is in quadrant 4, 1878155.45 km from Jupiter.
At 6.00 hours UTC, Callisto is in quadrant 4, 1879379.43 km from Jupiter.
At 12.00 hours UTC, Callisto is in quadrant 4, 1880624.09 km from Jupiter.
At 18.00 hours UTC, Callisto is in quadrant 4, 1881876.02 km from Jupiter.
At 24.00 hours UTC, Callisto is in quadrant 4, 1883128.57 km from Jupiter.
At 0.00 hours UTC, Juno is in quadrant 2, 2520563.35 km from Jupiter.
At 6.00 hours UTC, Juno is in quadrant 2, 2692392.35 km from Jupiter.
At 12.00 hours UTC, Juno is in quadrant 2, 2856510.93 km from Jupiter.
At 18.00 hours UTC, Juno is in quadrant 2, 3013764.57 km from Jupiter.
At 24.00 hours UTC, Juno is in quadrant 2, 3164830.90 km from Jupiter.
Io goes through an apojove at 12 hours 47 minutes UTC at a distance of 423526.68 km.
Ganymede goes through an apojove at 10 hours 48 minutes UTC at a distance of 1073031.31 km.
Audio:
Events:
Io Transit begins at 5 hours 19.0 minutes
Io Shadow Transit begins at 5 hours 19.0 minutes
Io Shadow Transit ends at 7 hours 30.0 minutes
Io Transit ends at 7 hours 31.0 minutes
Europa Eclipse disappears at 19 hours 11.8 minutes
Europa Occultation reappears at 21 hours 36.0 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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