Distances:
At 0 hours UTC, Jupiter is 815272670.28 km from the Sun.
12120.76 km closer to the Sun than yesterday
Moving towards the Sun at a radial velocity of 505.03 km/h
(5.11 km/h faster than yesterday)
At 0 hours UTC, Jupiter is 864057572.46 km from the Earth.
2125597.67 km further from the Earth than yesterday
Moving away the Earth at a radial velocity of 88566.57 km/h
(556.62 km/h slower than yesterday)
Positions and Motion:
At 0.00 hours UTC, Io is in quadrant 3, 420004.04 km from Jupiter.
At 6.00 hours UTC, Io is in quadrant 4, 420486.26 km from Jupiter.
At 12.00 hours UTC, Io is in quadrant 4, 421917.87 km from Jupiter.
===> Maximum Western Elongation <===
At 18.00 hours UTC, Io is in quadrant 4, 423230.51 km from Jupiter.
At 24.00 hours UTC, Io is in quadrant 4, 423458.52 km from Jupiter.
At 0.00 hours UTC, Europa is in quadrant 1, 665037.95 km from Jupiter.
At 6.00 hours UTC, Europa is in quadrant 1, 665485.99 km from Jupiter.
At 12.00 hours UTC, Europa is in quadrant 2, 667051.07 km from Jupiter.
At 18.00 hours UTC, Europa is in quadrant 2, 669403.25 km from Jupiter.
At 24.00 hours UTC, Europa is in quadrant 2, 672069.67 km from Jupiter.
At 0.00 hours UTC, Ganymede is in quadrant 1, 1073141.38 km from Jupiter.
At 6.00 hours UTC, Ganymede is in quadrant 1, 1072931.60 km from Jupiter.
At 12.00 hours UTC, Ganymede is in quadrant 1, 1072602.21 km from Jupiter.
At 18.00 hours UTC, Ganymede is in quadrant 1, 1072169.63 km from Jupiter.
At 24.00 hours UTC, Ganymede is in quadrant 1, 1071652.60 km from Jupiter.
At 0.00 hours UTC, Callisto is in quadrant 4, 1871540.66 km from Jupiter.
At 6.00 hours UTC, Callisto is in quadrant 4, 1872357.93 km from Jupiter.
At 12.00 hours UTC, Callisto is in quadrant 4, 1873259.76 km from Jupiter.
At 18.00 hours UTC, Callisto is in quadrant 4, 1874237.55 km from Jupiter.
At 24.00 hours UTC, Callisto is in quadrant 4, 1875288.44 km from Jupiter.
At 0.00 hours UTC, Juno is in quadrant 2, 7956175.59 km from Jupiter.
At 6.00 hours UTC, Juno is in quadrant 2, 7968352.47 km from Jupiter.
At 12.00 hours UTC, Juno is in quadrant 2, 7979621.81 km from Jupiter.
At 18.00 hours UTC, Juno is in quadrant 2, 7989992.46 km from Jupiter.
At 24.00 hours UTC, Juno is in quadrant 2, 7999463.18 km from Jupiter.
Io goes through an perijove at 0 hours 51 minutes UTC at a distance of 419989.89 km.
Io goes through an apojove at 22 hours 1 minutes UTC at a distance of 423533.85 km.
Europa goes through an perijove at 0 hours 48 minutes UTC at a distance of 665026.85 km.
Audio:
Events:
Io Transit begins at 5 hours 17.0 minutes
Io Shadow Transit begins at 6 hours 26.0 minutes
Io Transit ends at 7 hours 28.0 minutes
Io Shadow Transit ends at 8 hours 36.0 minutes
Europa Occultation disappears at 9 hours 45.0 minutes
Europa Eclipse reappears at 14 hours 29.0 minutes
Ganymede Occultation disappears at 19 hours 36.0 minutes
Ganymede Occultation reappears at 22 hours 12.0 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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