Distances:
At 0 hours UTC, Jupiter is 814151356.94 km from the Sun.
17308.62 km closer to the Sun than yesterday
Moving towards the Sun at a radial velocity of 721.19 km/h
(2.41 km/h faster than yesterday)
At 0 hours UTC, Jupiter is 961937010.17 km from the Earth.
240302.80 km further from the Earth than yesterday
Moving away from the Earth at a radial velocity of 10012.62 km/h
(1335.02 km/h slower than yesterday)
Positions and Motion:
At 0.00 hours UTC, Io is in quadrant 3, 420308.12 km from Jupiter.
At 6.00 hours UTC, Io is in quadrant 3, 421615.97 km from Jupiter.
At 12.00 hours UTC, Io is in quadrant 4, 423030.90 km from Jupiter.
At 18.00 hours UTC, Io is in quadrant 4, 423514.89 km from Jupiter.
===> Maximum Western Elongation <===
At 24.00 hours UTC, Io is in quadrant 4, 422709.21 km from Jupiter.
At 0.00 hours UTC, Europa is in quadrant 3, 676953.94 km from Jupiter.
===> Maximum Eastern Elongation <===
At 6.00 hours UTC, Europa is in quadrant 3, 675539.58 km from Jupiter.
At 12.00 hours UTC, Europa is in quadrant 3, 673259.76 km from Jupiter.
At 18.00 hours UTC, Europa is in quadrant 3, 670547.48 km from Jupiter.
At 24.00 hours UTC, Europa is in quadrant 3, 667923.55 km from Jupiter.
At 0.00 hours UTC, Ganymede is in quadrant 3, 1069408.44 km from Jupiter.
At 6.00 hours UTC, Ganymede is in quadrant 4, 1069918.14 km from Jupiter.
At 12.00 hours UTC, Ganymede is in quadrant 4, 1070447.37 km from Jupiter.
At 18.00 hours UTC, Ganymede is in quadrant 4, 1070969.50 km from Jupiter.
At 24.00 hours UTC, Ganymede is in quadrant 4, 1071463.30 km from Jupiter.
At 0.00 hours UTC, Callisto is in quadrant 2, 1890502.88 km from Jupiter.
At 6.00 hours UTC, Callisto is in quadrant 2, 1889388.26 km from Jupiter.
At 12.00 hours UTC, Callisto is in quadrant 2, 1888220.98 km from Jupiter.
At 18.00 hours UTC, Callisto is in quadrant 2, 1887016.80 km from Jupiter.
At 24.00 hours UTC, Callisto is in quadrant 2, 1885785.19 km from Jupiter.
At 0.00 hours UTC, Juno is in quadrant 3, 4826752.67 km from Jupiter.
At 6.00 hours UTC, Juno is in quadrant 3, 4727711.76 km from Jupiter.
At 12.00 hours UTC, Juno is in quadrant 3, 4626109.01 km from Jupiter.
At 18.00 hours UTC, Juno is in quadrant 3, 4521844.90 km from Jupiter.
At 24.00 hours UTC, Juno is in quadrant 3, 4414800.16 km from Jupiter.
Io goes through an apojove at 17 hours 12 minutes UTC at a distance of 423526.95 km.
Audio:
Events:
Io Transit begins at 8 hours 48.0 minutes
Io Shadow Transit begins at 8 hours 57.0 minutes
Io Transit ends at 11 hours 0.0 minutes
Io Shadow Transit ends at 11 hours 8.0 minutes
Europa Transit begins at 22 hours 6.0 minutes
Europa Shadow Transit begins at 22 hours 24.0 minutes
Ganymede Transit begins at 5 hours 23.0 minutes
Ganymede Shadow Transit begins at 6 hours 6.0 minutes
Ganymede Transit ends at 7 hours 40.0 minutes
Ganymede Shadow Transit ends at 8 hours 6.0 minutes
Earth direction along green line to the left  Sun direction along blue line to the left
Orbits as seen from above. Moons orbit counterclockwise. 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
'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.
Tuesday, October 17, 2017
Monday, October 16, 2017
Jupiter Today  17 October 2017
Distances:
At 0 hours UTC, Jupiter is 814168665.56 km from the Sun.
17250.72 km closer to the Sun than yesterday
Moving towards the Sun at a radial velocity of 718.78 km/h
(0.27 km/h faster than yesterday)
At 0 hours UTC, Jupiter is 961696707.37 km from the Earth.
272343.38 km further from the Earth than yesterday
Moving away from the Earth at a radial velocity of 11347.64 km/h
(1328.37 km/h slower than yesterday)
Positions and Motion:
At 0.00 hours UTC, Io is in quadrant 1, 423498.65 km from Jupiter.
===> Maximum Western Elongation <===
At 6.00 hours UTC, Io is in quadrant 1, 422645.60 km from Jupiter.
At 12.00 hours UTC, Io is in quadrant 2, 421136.88 km from Jupiter.
At 18.00 hours UTC, Io is in quadrant 2, 420091.57 km from Jupiter.
At 24.00 hours UTC, Io is in quadrant 2, 420308.12 km from Jupiter.
At 0.00 hours UTC, Europa is in quadrant 1, 671794.19 km from Jupiter.
At 6.00 hours UTC, Europa is in quadrant 2, 674355.94 km from Jupiter.
At 12.00 hours UTC, Europa is in quadrant 2, 676289.10 km from Jupiter.
At 18.00 hours UTC, Europa is in quadrant 2, 677221.58 km from Jupiter.
At 24.00 hours UTC, Europa is in quadrant 2, 676953.94 km from Jupiter.
At 0.00 hours UTC, Ganymede is in quadrant 3, 1068095.16 km from Jupiter.
At 6.00 hours UTC, Ganymede is in quadrant 3, 1068273.26 km from Jupiter.
At 12.00 hours UTC, Ganymede is in quadrant 3, 1068562.17 km from Jupiter.
At 18.00 hours UTC, Ganymede is in quadrant 3, 1068947.63 km from Jupiter.
At 24.00 hours UTC, Ganymede is in quadrant 3, 1069408.44 km from Jupiter.
At 0.00 hours UTC, Callisto is in quadrant 2, 1894114.06 km from Jupiter.
At 6.00 hours UTC, Callisto is in quadrant 2, 1893356.86 km from Jupiter.
At 12.00 hours UTC, Callisto is in quadrant 2, 1892500.30 km from Jupiter.
At 18.00 hours UTC, Callisto is in quadrant 2, 1891545.81 km from Jupiter.
At 24.00 hours UTC, Callisto is in quadrant 2, 1890502.88 km from Jupiter.
At 0.00 hours UTC, Juno is in quadrant 3, 5199088.37 km from Jupiter.
At 6.00 hours UTC, Juno is in quadrant 3, 5109395.82 km from Jupiter.
At 12.00 hours UTC, Juno is in quadrant 3, 5017504.06 km from Jupiter.
At 18.00 hours UTC, Juno is in quadrant 3, 4923320.58 km from Jupiter.
At 24.00 hours UTC, Juno is in quadrant 3, 4826752.67 km from Jupiter.
Io goes through an perijove at 20 hours 3 minutes UTC at a distance of 420009.11 km.
Europa goes through an apojove at 19 hours 41 minutes UTC at a distance of 677270.63 km.
Audio:
Events:
Io Occultation disappears at 11 hours 39.0 minutes
Io Eclipse reappears at 13 hours 59.4 minutes
Europa Occultation disappears at 2 hours 56.0 minutes
Europa Eclipse reappears at 5 hours 37.8 minutes
Earth direction along green line to the left  Sun direction along blue line to the left
Orbits as seen from above. Moons orbit counterclockwise. 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:
At 0 hours UTC, Jupiter is 814168665.56 km from the Sun.
17250.72 km closer to the Sun than yesterday
Moving towards the Sun at a radial velocity of 718.78 km/h
(0.27 km/h faster than yesterday)
At 0 hours UTC, Jupiter is 961696707.37 km from the Earth.
272343.38 km further from the Earth than yesterday
Moving away from the Earth at a radial velocity of 11347.64 km/h
(1328.37 km/h slower than yesterday)
Positions and Motion:
At 0.00 hours UTC, Io is in quadrant 1, 423498.65 km from Jupiter.
===> Maximum Western Elongation <===
At 6.00 hours UTC, Io is in quadrant 1, 422645.60 km from Jupiter.
At 12.00 hours UTC, Io is in quadrant 2, 421136.88 km from Jupiter.
At 18.00 hours UTC, Io is in quadrant 2, 420091.57 km from Jupiter.
At 24.00 hours UTC, Io is in quadrant 2, 420308.12 km from Jupiter.
At 0.00 hours UTC, Europa is in quadrant 1, 671794.19 km from Jupiter.
At 6.00 hours UTC, Europa is in quadrant 2, 674355.94 km from Jupiter.
At 12.00 hours UTC, Europa is in quadrant 2, 676289.10 km from Jupiter.
At 18.00 hours UTC, Europa is in quadrant 2, 677221.58 km from Jupiter.
At 24.00 hours UTC, Europa is in quadrant 2, 676953.94 km from Jupiter.
At 0.00 hours UTC, Ganymede is in quadrant 3, 1068095.16 km from Jupiter.
At 6.00 hours UTC, Ganymede is in quadrant 3, 1068273.26 km from Jupiter.
At 12.00 hours UTC, Ganymede is in quadrant 3, 1068562.17 km from Jupiter.
At 18.00 hours UTC, Ganymede is in quadrant 3, 1068947.63 km from Jupiter.
At 24.00 hours UTC, Ganymede is in quadrant 3, 1069408.44 km from Jupiter.
At 0.00 hours UTC, Callisto is in quadrant 2, 1894114.06 km from Jupiter.
At 6.00 hours UTC, Callisto is in quadrant 2, 1893356.86 km from Jupiter.
At 12.00 hours UTC, Callisto is in quadrant 2, 1892500.30 km from Jupiter.
At 18.00 hours UTC, Callisto is in quadrant 2, 1891545.81 km from Jupiter.
At 24.00 hours UTC, Callisto is in quadrant 2, 1890502.88 km from Jupiter.
At 0.00 hours UTC, Juno is in quadrant 3, 5199088.37 km from Jupiter.
At 6.00 hours UTC, Juno is in quadrant 3, 5109395.82 km from Jupiter.
At 12.00 hours UTC, Juno is in quadrant 3, 5017504.06 km from Jupiter.
At 18.00 hours UTC, Juno is in quadrant 3, 4923320.58 km from Jupiter.
At 24.00 hours UTC, Juno is in quadrant 3, 4826752.67 km from Jupiter.
Io goes through an perijove at 20 hours 3 minutes UTC at a distance of 420009.11 km.
Europa goes through an apojove at 19 hours 41 minutes UTC at a distance of 677270.63 km.
Audio:
Events:
Io Occultation disappears at 11 hours 39.0 minutes
Io Eclipse reappears at 13 hours 59.4 minutes
Europa Occultation disappears at 2 hours 56.0 minutes
Europa Eclipse reappears at 5 hours 37.8 minutes
Earth direction along green line to the left  Sun direction along blue line to the left
Orbits as seen from above. Moons orbit counterclockwise. 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:
Sunday, October 15, 2017
Jupiter Today  16 October 2017
Distances:
At 0 hours UTC, Jupiter is 814185916.28 km from the Sun.
17244.23 km closer to the Sun than yesterday
Moving towards the Sun at a radial velocity of 718.51 km/h
(3.99 km/h faster than yesterday)
At 0 hours UTC, Jupiter is 961424363.99 km from the Earth.
304224.13 km further from the Earth than yesterday
Moving away from the Earth at a radial velocity of 12676.01 km/h
(1326.75 km/h slower than yesterday)
Positions and Motion:
At 0.00 hours UTC, Io is in quadrant 2, 420062.79 km from Jupiter.
===> Maximum Eastern Elongation <===
At 6.00 hours UTC, Io is in quadrant 2, 420342.41 km from Jupiter.
At 12.00 hours UTC, Io is in quadrant 3, 421681.31 km from Jupiter.
At 18.00 hours UTC, Io is in quadrant 4, 423074.57 km from Jupiter.
At 24.00 hours UTC, Io is in quadrant 4, 423498.65 km from Jupiter.
At 0.00 hours UTC, Europa is in quadrant 4, 664905.56 km from Jupiter.
At 6.00 hours UTC, Europa is in quadrant 4, 665268.68 km from Jupiter.
===> Maximum Western Elongation <===
At 12.00 hours UTC, Europa is in quadrant 1, 666762.63 km from Jupiter.
At 18.00 hours UTC, Europa is in quadrant 1, 669089.79 km from Jupiter.
At 24.00 hours UTC, Europa is in quadrant 1, 671794.19 km from Jupiter.
At 0.00 hours UTC, Ganymede is in quadrant 2, 1068511.52 km from Jupiter.
At 6.00 hours UTC, Ganymede is in quadrant 2, 1068253.38 km from Jupiter.
===> Maximum Eastern Elongation <===
At 12.00 hours UTC, Ganymede is in quadrant 2, 1068089.77 km from Jupiter.
At 18.00 hours UTC, Ganymede is in quadrant 3, 1068034.36 km from Jupiter.
At 24.00 hours UTC, Ganymede is in quadrant 3, 1068095.16 km from Jupiter.
At 0.00 hours UTC, Callisto is in quadrant 1, 1896169.33 km from Jupiter.
At 6.00 hours UTC, Callisto is in quadrant 1, 1895808.55 km from Jupiter.
At 12.00 hours UTC, Callisto is in quadrant 1, 1895340.66 km from Jupiter.
At 18.00 hours UTC, Callisto is in quadrant 2, 1894774.73 km from Jupiter.
At 24.00 hours UTC, Callisto is in quadrant 2, 1894114.06 km from Jupiter.
At 0.00 hours UTC, Juno is in quadrant 3, 5537330.43 km from Jupiter.
At 6.00 hours UTC, Juno is in quadrant 3, 5455734.99 km from Jupiter.
At 12.00 hours UTC, Juno is in quadrant 3, 5372196.07 km from Jupiter.
At 18.00 hours UTC, Juno is in quadrant 3, 5286665.48 km from Jupiter.
At 24.00 hours UTC, Juno is in quadrant 3, 5199088.37 km from Jupiter.
Io goes through an perijove at 1 hours 46 minutes UTC at a distance of 420002.00 km.
Io goes through an apojove at 22 hours 56 minutes UTC at a distance of 423520.50 km.
Europa goes through an perijove at 1 hours 12 minutes UTC at a distance of 664880.67 km.
Ganymede goes through an perijove at 17 hours 54 minutes UTC at a distance of 1068034.34 km.
Audio:
Events:
Io Transit begins at 14 hours 17.0 minutes
Io Shadow Transit begins at 14 hours 28.0 minutes
Io Transit ends at 16 hours 29.0 minutes
Io Shadow Transit ends at 16 hours 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 counterclockwise. 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:
At 0 hours UTC, Jupiter is 814185916.28 km from the Sun.
17244.23 km closer to the Sun than yesterday
Moving towards the Sun at a radial velocity of 718.51 km/h
(3.99 km/h faster than yesterday)
At 0 hours UTC, Jupiter is 961424363.99 km from the Earth.
304224.13 km further from the Earth than yesterday
Moving away from the Earth at a radial velocity of 12676.01 km/h
(1326.75 km/h slower than yesterday)
Positions and Motion:
At 0.00 hours UTC, Io is in quadrant 2, 420062.79 km from Jupiter.
===> Maximum Eastern Elongation <===
At 6.00 hours UTC, Io is in quadrant 2, 420342.41 km from Jupiter.
At 12.00 hours UTC, Io is in quadrant 3, 421681.31 km from Jupiter.
At 18.00 hours UTC, Io is in quadrant 4, 423074.57 km from Jupiter.
At 24.00 hours UTC, Io is in quadrant 4, 423498.65 km from Jupiter.
At 0.00 hours UTC, Europa is in quadrant 4, 664905.56 km from Jupiter.
At 6.00 hours UTC, Europa is in quadrant 4, 665268.68 km from Jupiter.
===> Maximum Western Elongation <===
At 12.00 hours UTC, Europa is in quadrant 1, 666762.63 km from Jupiter.
At 18.00 hours UTC, Europa is in quadrant 1, 669089.79 km from Jupiter.
At 24.00 hours UTC, Europa is in quadrant 1, 671794.19 km from Jupiter.
At 0.00 hours UTC, Ganymede is in quadrant 2, 1068511.52 km from Jupiter.
At 6.00 hours UTC, Ganymede is in quadrant 2, 1068253.38 km from Jupiter.
===> Maximum Eastern Elongation <===
At 12.00 hours UTC, Ganymede is in quadrant 2, 1068089.77 km from Jupiter.
At 18.00 hours UTC, Ganymede is in quadrant 3, 1068034.36 km from Jupiter.
At 24.00 hours UTC, Ganymede is in quadrant 3, 1068095.16 km from Jupiter.
At 0.00 hours UTC, Callisto is in quadrant 1, 1896169.33 km from Jupiter.
At 6.00 hours UTC, Callisto is in quadrant 1, 1895808.55 km from Jupiter.
At 12.00 hours UTC, Callisto is in quadrant 1, 1895340.66 km from Jupiter.
At 18.00 hours UTC, Callisto is in quadrant 2, 1894774.73 km from Jupiter.
At 24.00 hours UTC, Callisto is in quadrant 2, 1894114.06 km from Jupiter.
At 0.00 hours UTC, Juno is in quadrant 3, 5537330.43 km from Jupiter.
At 6.00 hours UTC, Juno is in quadrant 3, 5455734.99 km from Jupiter.
At 12.00 hours UTC, Juno is in quadrant 3, 5372196.07 km from Jupiter.
At 18.00 hours UTC, Juno is in quadrant 3, 5286665.48 km from Jupiter.
At 24.00 hours UTC, Juno is in quadrant 3, 5199088.37 km from Jupiter.
Io goes through an perijove at 1 hours 46 minutes UTC at a distance of 420002.00 km.
Io goes through an apojove at 22 hours 56 minutes UTC at a distance of 423520.50 km.
Europa goes through an perijove at 1 hours 12 minutes UTC at a distance of 664880.67 km.
Ganymede goes through an perijove at 17 hours 54 minutes UTC at a distance of 1068034.34 km.
Audio:
Events:
Io Transit begins at 14 hours 17.0 minutes
Io Shadow Transit begins at 14 hours 28.0 minutes
Io Transit ends at 16 hours 29.0 minutes
Io Shadow Transit ends at 16 hours 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 counterclockwise. 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:
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Jupiter Today  18 October 2017
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