Distances:
At 0 hours UTC, Jupiter is 815820503.84 km from the Sun.
8074.40 km closer to the Sun than yesterday
Moving towards the Sun at a radial velocity of 336.43 km/h (3.42 km/h slower than yesterday)
At 0 hours UTC, Jupiter is 742423103.00 km from the Earth.
2109494.06 km further from the Earth than yesterday
Moving away from the Earth at a radial velocity of 87895.59 km/h (684.69 km/h faster than yesterday)
Positions and Motion:
At 0.00 hours UTC, Io is in quadrant 1, 422771.59 km from Jupiter.
At 6.00 hours UTC, Io is in quadrant 1, 423510.02 km from Jupiter.
At 12.00 hours UTC, Io is in quadrant 2, 422963.71 km from Jupiter.
At 18.00 hours UTC, Io is in quadrant 2, 421528.36 km from Jupiter.
At 24.00 hours UTC, Io is in quadrant 2, 420260.84 km from Jupiter.
At 0.00 hours UTC, Europa is in quadrant 4, 673989.52 km from Jupiter.
At 6.00 hours UTC, Europa is in quadrant 4, 671424.37 km from Jupiter.
At 12.00 hours UTC, Europa is in quadrant 1, 668786.51 km from Jupiter.
===> Maximum Western Elongation <===
At 18.00 hours UTC, Europa is in quadrant 1, 666586.06 km from Jupiter.
At 24.00 hours UTC, Europa is in quadrant 1, 665256.15 km from Jupiter.
At 0.00 hours UTC, Ganymede is in quadrant 3, 1067868.97 km from Jupiter.
At 6.00 hours UTC, Ganymede is in quadrant 3, 1067802.47 km from Jupiter.
At 12.00 hours UTC, Ganymede is in quadrant 3, 1067874.71 km from Jupiter.
At 18.00 hours UTC, Ganymede is in quadrant 3, 1068076.65 km from Jupiter.
At 24.00 hours UTC, Ganymede is in quadrant 3, 1068391.53 km from Jupiter.
At 0.00 hours UTC, Callisto is in quadrant 3, 1873905.01 km from Jupiter.
At 6.00 hours UTC, Callisto is in quadrant 3, 1872957.60 km from Jupiter.
At 12.00 hours UTC, Callisto is in quadrant 3, 1872100.89 km from Jupiter.
At 18.00 hours UTC, Callisto is in quadrant 3, 1871336.00 km from Jupiter.
At 24.00 hours UTC, Callisto is in quadrant 3, 1870663.55 km from Jupiter.
At 0.00 hours UTC, Juno is in quadrant 2, 7887345.27 km from Jupiter.
At 6.00 hours UTC, Juno is in quadrant 2, 7903839.60 km from Jupiter.
At 12.00 hours UTC, Juno is in quadrant 2, 7919402.17 km from Jupiter.
At 18.00 hours UTC, Juno is in quadrant 2, 7934027.16 km from Jupiter.
At 24.00 hours UTC, Juno is in quadrant 2, 7947717.36 km from Jupiter.
Io goes through an apojove at 6 hours 29 minutes UTC at a distance of 423514.42 km.
Ganymede goes through an perijove at 5 hours 51 minutes UTC at a distance of 1067802.43 km.
Audio:
Events:
Io Occultation disappears at 5 hours 41.0 minutes
Io Eclipse reappears at 9 hours 4.1 minutes
Orbits: Including 0th, 1st, 2nd, 3rd, 4th, and 5th derivatives of motion as a function of time
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
Distances and motion between Moons: 0th, 1st, 2nd, 3rd, 4th, and 5th derivatives of position vs time
Orbital Ribbons: These are the spacial and temporal connections between the four Jovian Moons. Black dot indicates location of Jupiter
'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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