Jupiter Today: Jupiter Today | 21 December 2017

Distances:

At 0 hours UTC, Jupiter is 812895783.58 km from the Sun.
    21684.29 km closer to the Sun than yesterday
    Moving towards the Sun at a radial velocity of 903.51 km/h
        (1.38 km/h slower than yesterday)

At 0 hours UTC, Jupiter is 911660102.58 km from the Earth.
    1707600.30 km closer to the Earth than yesterday
    Moving towards the Earth at a radial velocity of 71150.01 km/h
        (1043.78 km/h faster than yesterday)

Positions and Motion:

At 0.00 hours UTC, Io is in quadrant 3, 423180.56 km from Jupiter.
At 6.00 hours UTC, Io is in quadrant 4, 423454.77 km from Jupiter.
At 12.00 hours UTC, Io is in quadrant 4, 422481.84 km from Jupiter.
    ===> Maximum Western Elongation <===
At 18.00 hours UTC, Io is in quadrant 1, 420972.15 km from Jupiter.
At 24.00 hours UTC, Io is in quadrant 1, 420047.06 km from Jupiter.

At 0.00 hours UTC, Europa is in quadrant 3, 672906.45 km from Jupiter.
    ===> Maximum Eastern Elongation <===
At 6.00 hours UTC, Europa is in quadrant 3, 670081.78 km from Jupiter.
At 12.00 hours UTC, Europa is in quadrant 3, 667436.17 km from Jupiter.
At 18.00 hours UTC, Europa is in quadrant 3, 665495.66 km from Jupiter.
At 24.00 hours UTC, Europa is in quadrant 3, 664663.67 km from Jupiter.

At 0.00 hours UTC, Ganymede is in quadrant 3, 1069040.95 km from Jupiter.
At 6.00 hours UTC, Ganymede is in quadrant 3, 1069464.18 km from Jupiter.
At 12.00 hours UTC, Ganymede is in quadrant 3, 1069932.24 km from Jupiter.
At 18.00 hours UTC, Ganymede is in quadrant 3, 1070425.60 km from Jupiter.
At 24.00 hours UTC, Ganymede is in quadrant 3, 1070920.91 km from Jupiter.

At 0.00 hours UTC, Callisto is in quadrant 1, 1896243.78 km from Jupiter.
At 6.00 hours UTC, Callisto is in quadrant 1, 1896280.83 km from Jupiter.
At 12.00 hours UTC, Callisto is in quadrant 1, 1896207.21 km from Jupiter.
At 18.00 hours UTC, Callisto is in quadrant 1, 1896015.01 km from Jupiter.
At 24.00 hours UTC, Callisto is in quadrant 1, 1895699.00 km from Jupiter.

At 0.00 hours UTC, Juno is in quadrant 2, 3710732.18 km from Jupiter.
At 6.00 hours UTC, Juno is in quadrant 2, 3837725.04 km from Jupiter.
At 12.00 hours UTC, Juno is in quadrant 2, 3960868.29 km from Jupiter.
At 18.00 hours UTC, Juno is in quadrant 2, 4080395.50 km from Jupiter.
At 24.00 hours UTC, Juno is in quadrant 2, 4196505.22 km from Jupiter.

Io goes through an apojove at 4 hours 15 minutes UTC at a distance of 423513.28 km.
Callisto goes through an apojove at 5 hours 4 minutes UTC at a distance of 1896282.15 km.

Audio:

Events:

Io Shadow Transit begins at 2 hours 3.0 minutes
Io Transit begins at 2 hours 54.0 minutes
Io Shadow Transit ends at 4 hours 13.0 minutes
Io Transit ends at 5 hours 5.0 minutes
Io Eclipse disappears at 23 hours 18.9 minutes
Europa Shadow Transit begins at 21 hours 29.0 minutes
Europa Transit begins at 23 hours 11.0 minutes
Europa Shadow Transit ends at 23 hours 45.0 minutes
Ganymede Shadow Transit begins at 17 hours 51.0 minutes
Ganymede Shadow Transit ends at 19 hours 43.0 minutes
Ganymede Transit begins at 21 hours 23.0 minutes
Ganymede Transit ends at 23 hours 13.0 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: