Jupiter Today - 28 April 2017

Distances:

At 0 hours UTC, Jupiter is 816106480.15 km from the Sun.

At 0 hours UTC, Jupiter is 674654899.12 km from the Earth.

Positions:

At 0.00 hours UTC, Io is in quadrant 4, 420106.92 km from Jupiter.
At 6.00 hours UTC, Io is in quadrant 4, 420329.75 km from Jupiter.
At 12.00 hours UTC, Io is in quadrant 1, 421630.48 km from Jupiter.
    ===> Maximum western elongation <===
At 18.00 hours UTC, Io is in quadrant 2, 423025.58 km from Jupiter.
At 24.00 hours UTC, Io is in quadrant 2, 423487.83 km from Jupiter.

At 0.00 hours UTC, Europa is in quadrant 4, 677162.91 km from Jupiter.
At 6.00 hours UTC, Europa is in quadrant 4, 677042.29 km from Jupiter.
At 12.00 hours UTC, Europa is in quadrant 4, 675762.53 km from Jupiter.
At 18.00 hours UTC, Europa is in quadrant 1, 673584.73 km from Jupiter.
    ===> Maximum western elongation <===
At 24.00 hours UTC, Europa is in quadrant 1, 670924.53 km from Jupiter.

At 0.00 hours UTC, Ganymede is in quadrant 3, 1068329.52 km from Jupiter.
At 6.00 hours UTC, Ganymede is in quadrant 3, 1068208.51 km from Jupiter.
At 12.00 hours UTC, Ganymede is in quadrant 3, 1068199.86 km from Jupiter.
At 18.00 hours UTC, Ganymede is in quadrant 3, 1068306.23 km from Jupiter.
At 24.00 hours UTC, Ganymede is in quadrant 3, 1068522.28 km from Jupiter.

At 0.00 hours UTC, Callisto is in quadrant 1, 1886055.60 km from Jupiter.
At 6.00 hours UTC, Callisto is in quadrant 1, 1887317.32 km from Jupiter.
At 12.00 hours UTC, Callisto is in quadrant 1, 1888526.62 km from Jupiter.
At 18.00 hours UTC, Callisto is in quadrant 1, 1889671.03 km from Jupiter.
At 24.00 hours UTC, Callisto is in quadrant 1, 1890745.85 km from Jupiter.

Io goes through an perijove at 2 hours 1 minutes UTC at a distance of 420028.28 km.
Io goes through an apojove at 23 hours 8 minutes UTC at a distance of 423502.05 km.
Europa goes through an apojove at 2 hours 24 minutes UTC at a distance of 677262.21 km.
Ganymede goes through an perijove at 9 hours 27 minutes UTC at a distance of 1068189.45 km.

Events:

Io Shadow Transit ends at 0 hours 23.0 minutes
Io Occultation disappears at 18 hours 53.0 minutes
Io Eclipse reappears at 21 hours 34.4 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