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Europa Clipper Development, Build And Prelaunch Activities
Jaro_in_Montreal
post Aug 20 2019, 04:31 PM
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BTW, I remember reading a detailed Europa Clipper mission proposal somewhere, but now I can't find it in my files.
Anybody here remember where it was posted?
A quick Google search came up empty.
Thnx
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JRehling
post Aug 21 2019, 02:41 AM
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Maybe this is the one you were thinking of?

https://smd-prod.s3.amazonaws.com/science-r...S_Sept_2016.pdf

One thing that catches my eye is that virtually all of Europa would be mapped at better than 30m per pixel with a median of about 9m per pixel. Due to orbital mechanics that are easy to visualize (flybys just inside or outside of Europa's orbit), there is a rough 180 periodicity in the coverage with the sub-jovian and anti-jovian regions imaged with the best resolution and the leading and trailing regions imaged with the worst resolution. This is approximately 10 times higher resolution than Viking coverage of Mars.
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nprev
post Oct 23 2019, 06:23 AM
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Panel discussion tomorrow (23 Oct 19) about Clipper featuring Bob Pappalardo and TPS CEO Bill Nye, 1030 US Pacific Daylight Time, 1730 GMT. NASA TV link.


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Explorer1
post Apr 22 2021, 08:33 PM
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I didn't want to start a new topic in the book subforum, but I wanted to let everyone know about 'The Mission' by David Brown; a fantastic book about the long history of Europa missions that recently released and everything that led up to the Europa Clipper's development so far. I'm only in chapter 4 of the audio version, but it's filled with all sorts of details on JIMO and previous proposals, as well as the nitty-gritty scientists, bureaucrats, politicians, (as well as some some cameos by posters on this very forum)! I had never known the origin of OPAG and MEPAG, the various rivalries, and the constant competition for scarce dollars.
The author has done quite a bit of science writing on space missions, and the prose is a good mix of details that will interest both experts and amateurs. It really emphasizes the long slog before even the first physical part of a probe destined for space is machined. I think there will be plenty new even to the users of UMSF.
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mcaplinger
post Apr 22 2021, 08:53 PM
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QUOTE (Explorer1 @ Apr 22 2021, 12:33 PM) *
I wanted to let everyone know about 'The Mission' by David Brown; a fantastic book about the long history of Europa missions...

Since I was on a number of teams for the 3 or 4 precursor missions and on a losing team for Clipper itself, I found that the book omitted all of the interesting details about those competitions (few of which, I expect, will ever be public). Not a surprise, since history is written by the winners...


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JRehling
post Apr 23 2021, 12:12 AM
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Richard Greenberg's books about the science of Europa are extremely lively, documenting some passionate disagreements, to put it mildly. I suspect that the rivalries in engineering a Europa mission are mainly about different issues, not necessarily scientific ones, but it seems like there has to be some aspect of the thin-ice vs thick-ice theories coming into play, at least during the ~2002-2014 era. But I am only on the outside looking in.
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scalbers
post May 24 2021, 07:54 PM
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Nice talk by Bob Pappalardo on Europa Clipper was presented on May 12, and can be watched on YouTube:

https://www.youtube.com/watch?v=8ZMZuiiaAmQ&t=4s


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volcanopele
post Jul 23 2021, 08:45 PM
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Europa Clipper now has a launch vehicle: a SpaceX Falcon Heavy. Launch is now set for October 2024.

https://www.nasa.gov/press-release/nasa-awa...clipper-mission


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stevesliva
post Jul 26 2021, 04:29 AM
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QUOTE (volcanopele @ Jul 23 2021, 03:45 PM) *
Europa Clipper now has a launch vehicle: a SpaceX Falcon Heavy.


QUOTE
The total contract award amount for launch services is approximately $178 million.


ohmy.gif

Should go back to launching in pairs for this price.
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djellison
post Jul 26 2021, 05:07 AM
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QUOTE (stevesliva @ Jul 25 2021, 08:29 PM) *
Should go back to launching in pairs for this price.


The rocket isn't the expensive part. For this mission it's less than 5% of the budget.
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Explorer1
post Jul 27 2021, 12:19 AM
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$178 million is pocket change compared with SLS anyway. Massive savings by any measures (I could say more about SLS, but the p-word would be involved)....

Having a launch vehicle finalized is a big milestone; will be an impressive sight!
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