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Old 03-11-2017, 12:12 AM   #61
Andy44
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Originally Posted by boogabooga View Post
 I'm sure the name will get changed again after the budget and scope of mission ebb and flow over the next decade.
It'll be called the "Budget Clipper".
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Old 03-11-2017, 09:52 AM   #62
K_Jameson
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It was decided which rocket will be used? My vote is for SLS
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Old 03-11-2017, 01:43 PM   #63
Kyle
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Originally Posted by K_Jameson View Post
 It was decided which rocket will be used? My vote is for SLS
If I'm not mistaken the current plan is to launch this mission on an SLS Block 1B.
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Old 03-11-2017, 09:20 PM   #64
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what happened to the icy moon orbiter ? a craft to orbiter the moon.

in orbiter the sls is far enough along to launch any probe. I think there was an older Europa orbiter in OH that could be mated to the SLS.
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Old 03-11-2017, 09:43 PM   #65
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Originally Posted by barrygolden View Post
 what happened to the icy moon orbiter ? a craft to orbiter the moon.

in orbiter the sls is far enough along to launch any probe. I think there was an older Europa orbiter in OH that could be mated to the SLS.
Are you talking about the Jupiter Icy Moon Orbiter (JIMO)? It never got anywhere. It got cancelled in 2005. You must have it confused with the Lunar Reconnaissance Orbiter (LRO) which launched successfully in 2009.

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Old 04-01-2017, 07:55 AM   #66
Unstung
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The White House budget supports the Europa Clipper orbiter, but provides no funding for a lander. However, this is not stopping NASA from continuing research on a landed spacecraft.



SpaceNews: "Europa lander work continues despite budget uncertainty"
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The NASA team studying a lander mission to Jupiter’s moon Europa says their work is continuing even though the White House is requesting no funding for the mission in its latest budget.

In a presentation at a meeting of the Committee on Astrobiology and Planetary Science at the National Academies here March 29, Barry Goldstein of the Jet Propulsion Laboratory said that ongoing studies of the proposed lander are continuing, including a mission concept review scheduled for June.

“We still have enough funding to make it through the end of the year for development,” he said. “We’re going to pursue the mission concept review and let the chips fall where they may as we proceed.”

The administration’s fiscal year 2018 budget blueprint, released March 16, proposed a record-high $1.9 billion for NASA’s planetary science program, including support for the Europa Clipper mission that will go into orbit around Jupiter and make dozens of flybys of Europa.

However, the document explicitly ruled out funding for the follow-on lander mission. “To preserve the balance of NASA’s science portfolio and maintain flexibility to conduct missions that were determined to be more important by the science community, the Budget provides no funding for a multi-billion-dollar mission to land on Europa,” the document stated.

The lander mission, along with Europa Clipper, has enjoyed strong support from Congress, notably from Rep. John Culberson (R-Texas), chairman of the House appropriations subcommittee that funds NASA and an advocate of exploration of the icy moon that scientists believe is potentially habitable. Culberson, in recent years, has provided funding for Europa Clipper well above any administration request and at one point called for launching both Europa Clipper and the lander simultaneously.

Culberson did not mention the budget proposal in brief comments at the end of the public lecture about Europa exploration here March 29, but did reiterate his support for sending both orbiter and lander missions there.

[...]
The article later mentions a Science Definition Team report for the Europa lander that includes a notional payload and more. The 264 page report was released earlier this year and can be found here. The baseline launch scenario is in 2025 aboard the SLS, reaching Jupiter in 2030 after an Earth Gravity Assist. The lander will then spend an additional 18 months preforming flybys of the Galilean moons to lower its orbit. Once on Europa, the lander's "primary goal is to search for evidence of life on Europa. The other goals are to assess the habitability of Europa by directly analyzing material from the surface, and to characterize the surface and subsurface to support future robotic exploration of Europa and its ocean" (NASA). Batteries were chosen to power the mission for around 20 days because of the harsh radiation environment at Europa.

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Old 04-11-2017, 06:48 AM   #67
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this would make a great addon for an SLS launch in 2016
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Old 04-30-2017, 12:26 PM   #68
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The budget doesn't include a lander mission, quite right. That was a crucial part of sending a mission to Europa, not just another orbital mission only.
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Old 11-21-2017, 11:16 AM   #69
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NASASpaceFlight.com: "Europa Clipper’s launch date dependent on SLS Mobile Launcher readiness"
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NASA has completed an important three day Technical Interchange Meeting regarding the agency’s upcoming flagship Europa Clipper mission. The probe, set to launch on the first science mission of the SLS rocket, currently holds a No Earlier Than launch date of 4 June 2022 – a date that is highly dependent on the SLS Mobile Launcher’s readiness and a desire/need to build a completely new Mobile Launcher for crewed SLS missions beyond EM-1.

[...]
Business Insider: "NASA finally has the map it needs to explore Europa for signs of alien life"

Earth and Space Science News: "Geologic Map of Europa Highlights Targets for Future Exploration"



USGS presentation of the unfinished map

Last edited by Unstung; 11-21-2017 at 11:19 AM.
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Old 11-21-2017, 04:28 PM   #70
statickid
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"Hello, my name is Gray-gar Molk-tuko I come from the land of Mottled Chaos, where the albedo varies in irregular patterns."
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Old 11-22-2017, 10:14 PM   #71
barrygolden
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we need a probe to fly. looks like an interesting mission
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Old 11-23-2017, 04:31 PM   #72
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RUSSIAN BILLIONAIRE YURI MILNER PLANNING TO SEARCH SATURN MOON ENCELADUS FOR ALIEN LIFE BEFORE NASA CAN.
BY DAMIEN SHARKOV ON 11/23/17 AT 6:30 AM
http://www.newsweek.com/looking-alie...s-water-720675

Privately-funded such a mission could be done for a fraction of the government funded costs.

Bob Clark
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Old 11-27-2017, 02:18 PM   #73
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Seems there are 2 versions of the Clipper. Any one which one will fly? Solar panels version or non panel?
http://spacenews.com/europa-clipper-...arlier-launch/
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Old 11-27-2017, 02:28 PM   #74
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Originally Posted by gattispilot View Post
 Seems there are 2 versions of the Clipper. Any one which one will fly? Solar panels version or non panel?
http://spacenews.com/europa-clipper-...arlier-launch/
If I read the article correctly, its solar panels, because RTG was only supposed to be used if no alternative is possible and a study found that solar arrays for EC offer some benefits that RTGs don't.
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Old 02-23-2018, 12:14 AM   #75
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SpaceNews: "NASA budget proposal continues debate on when and how to launch Europa Clipper"
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[...]

The 2019 budget proposal, released Feb. 12, offers $264.7 million for the mission, which would send the spacecraft into orbit around Jupiter and make dozens of flybys of Europa, the potentially habitable icy moon of the giant planet. That’s down from the $425 million the administration requested for the mission in 2018.

Congress has yet to pass a final appropriations bill for fiscal year 2018, more than four and a half months into the current year. The mission received $237.4 million in 2017, and a House version of a 2018 appropriations bill provided $495 million to be shared by Europa Clipper and a follow-on lander that is still in an early phase of studies. That bill came out of the commerce, justice and science appropriations subcommittee, whose chairman, Rep. John Culberson (R-Texas), is a vigorous advocate for missions to Europa.

The projections for future spending for the mission, included in the 2019 budget proposal, do not foresee significant increases. They call for another decrease, to $200 million, in 2020, then rising to about $360 million per year from 2021 through 2023.

Despite that funding profile, the budget proposal moves up the launch of the mission by a year from previous agency plans. “The budget allows us to pull the Europa Clipper in,” said Jim Green, director of NASA’s planetary science division, in a presentation at a meeting of the Planetary Science Advisory Committee here Feb. 21. “Last year’s budget said we would be able to launch it in 2026. Now we have the funding necessary for us to be to launch it in 2025.”

Green didn’t explain how the funding profile accelerates the launch, but a launch in either 2025 or 2026 would conflict with language in previous appropriations bills calling for a launch of the mission by 2022. The House version of the 2018 spending bill retains that 2022 launch requirement.

[...]

NASA has studied launching Europa Clipper on both SLS and on the most powerful variant of the United Launch Alliance Atlas 5. SLS offers the ability to fly a fast, direct route to Jupiter, with the spacecraft arriving at the planet less than three years after launch. The Atlas 5 would take more than six years to get Europa Clipper to Jupiter, and require flybys of both Venus and Earth to do so.

NASA’s 2019 budget request notes those advantages for SLS, but concludes, “the additional costs of adding an SLS flight for the Clipper outweigh the benefits.” It also states that SLS “will be focused on supporting the Administration’s new space exploration strategy and prioritizing the return of astronauts to the surface of the Moon.” An SLS launch of Europa Clipper, it notes, could not take place sooner than 2024 “without disrupting current NASA human exploration plans.”

[...]

*merged two Europa Clipper threads so there will be one comprehensive thread

Last edited by Unstung; 02-23-2018 at 12:19 AM.
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