Voting Round :

PJ21 Encounter

CLOSED : 2019-07-21 00:00:00
Perijove on : 2019-07-21 05:18 UT
About This Round
The Juno spacecraft will be oriented with the solar arrays pointed to the sun this pass in what we call GRAV attitude, because we also get a strong radio signal to earth that is used to understand Jupiter's gravity. What this means for JunoCam is that we will not actually be able to image the storms immediately below the spacecraft because JunoCam is pointed out the side 90 degrees away. We will get good images over both poles, but near perijove the camera catches Jupiter just at the edge of JunoCam's field of view.
Perijove Predict Map
About Perijove Predict Maps

Every perijove pass we have the challenge of predicting where Points of Interest will be as the different zones of the planet have different wind velocities. This map shows our effort to rotate the latitudinal zones with their different wind speeds to predict what will be under the Juno groundtrack.

Winner Selection
Juno approaches and recedes from Jupiter's night side. Accordingly we begin and end with lightning search campaigns. We will also attempt take an image of Jupiter's ring.
The spacecraft will be passing almost directly over Jupiter's Great Red Spot. We expect to get several beautiful images. We will also take time-lapse sequences as the spacecraft passes slowly over Jupiter's south pole.


Voting has closed for this round. Winners are still being selected by the Mission Juno Team. Please Check back soon!


When the lighting is right
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Round Discussion

General discussion about this round.


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  1. comment by Hugo_Stiglitz559 on 2019-07-18 00:51 UT

    Will there be images of the Great Red Spot? Sky & Telescope had an article regarding the Great Red Spot releasing gas into the Southern Equatorial Belt. I have taken a screenshot of the brief article. Cite: Sky & Telescope Magazine Pg. 8-9, Issue September 2019.

    • comment by Hugo_Stiglitz559 on 2019-07-18 00:53 UT

      Nevermind. I just read the "About This Round " section.....