Questions tagged [juno]

Questions regarding the JUNO spacecraft, a NASA mission to Jupiter.

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15
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1answer
724 views

Will Juno record its deorbit?

I'm really interested about the Juno mission launched in 2011. The spacecraft will reach Jupiter on July 4, 2016, in couple days from when I write this question. It will orbit Jupiter 37 times ...
4
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1answer
151 views

Will there be joint observations from earth and the Juno spacecraft when it reaches Jupiter?

This is a comparison of a visible light image and a radio image of the area around Jupiter's great red spot from an article in Science News. The radio data is from the VLA, and the frequency is chosen ...
6
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2answers
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Why does the Juno spacecraft flyby Earth on the way to Jupiter?

Hohmann transfer to Jupiter is about 2 years 8 months. Juno spends 5 years getting there, almost twice as long. I note that it takes Juno 2 years 8 months to get to Jupiter after the Earth flyby, does ...
18
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1answer
3k views

Why does NASA's Juno spacecraft only have a one year primary mission?

For many years, Juno has been touted as NASA's "low cost" mission to the Jovian system. As a New Frontiers mission, it is cost capped at only $1 billion. From its launch in August 2011 to its ...
14
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2answers
3k views

How will Juno establish existence of solid core within Jupiter and determine its size?

One of the set goals for NASA's New Frontiers Juno mission is studying Jupiter's interior and determining if this gas giant has a solid core and if, how large it is. This is mentioned several times on ...
12
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1answer
424 views

What is the typical power redundancy built into a spacecraft?

NASA's Juno page says The Juno spacecraft launched aboard an Atlas V-551 rocket from Cape Canaveral, Fla., on Aug. 5, 2011, and will reach Jupiter in July 2016. The spacecraft will orbit Jupiter 32 ...
5
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1answer
189 views

Will JUNO do any science of Jupiter's Moons?

It seems like the primary focus of JUNO is to get a better idea of how Jupiter works. The Science Objectives listed on Wikipedia don't seem to include anything about Jupiter's moons, other than a ...
11
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2answers
622 views

Will JUNO be able to return any photographs?

Looking at the scientific instruments of JUNO, there doesn't appear to be a camera. Furthermore, no mention is made of any photos being returned in the scientific objectives. Will anything resembling ...
9
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2answers
507 views

Can safe mode on a spacecraft be bypassed?

A sort of followup to Are any software updates scheduled for Juno? For the purpose of illustration, seeing that Juno has most recently encountered such an issue, I mention Juno here. However the ...
10
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1answer
351 views

Are any software updates scheduled for Juno?

So Juno approaches seeking her gravity assist. During the course of the maneuver several on-board systems shall be powered up - in all probability they are nominal, having already been checked-out ...
7
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1answer
212 views

Will Earth, ISS, or Tiangong be the first habitat closest to Juno during Earth Flyby 2013?

Just a fun question (+: Juno is approaching Earth for a gravity assist on her way to Jupiter. Her approach will bring her, at the nearest point, a mere 559KM above Earth's surface. ISS orbits just ...
15
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1answer
766 views

Resilience to data transmission errors of the Juno spacecraft

What techniques have been employed for the Juno spacecraft to successfully transmit data packets back to Earth once she's in a polar orbit around Jupiter? Jupiter is a strong source of radio ...
8
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2answers
132 views

How can I figure out the distance to Juno at any point in time?

Juno will fly by Earth on October 9, 2013. There is an event to encourage Amateur Radio Operators to say high to the satellite. What I'm trying to do is figure out if I have any chance of pulling it ...
10
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2answers
244 views

Will Juno be visible during its flyby?

Juno is flying by by the planet Earth on October 9, 2013. Will it be visible to the naked eye anywhere on Earth, and if so, where and when?
8
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1answer
258 views

Does Juno use MPPT?

MPPT aka Maximum Power Point Tracking is an active mechanism to collect maximum power a PV cell may deliver. This is typically achieved by varying the resistive load connected to a cell. Juno will ...