Author Topic: ESA-Roscosmos: ExoMars 2016 updates and discussion  (Read 433227 times)

Offline Dalhousie

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Re: ESA-Roscosmos: ExoMars 2016 updates and discussion
« Reply #60 on: 01/02/2014 04:08 am »
I wouldn't call closer cooperation wirh Russia a loss.
Apologies in advance for any lack of civility - it's unintended

Offline bolun

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Re: ESA-Roscosmos: ExoMars 2016 updates and discussion
« Reply #61 on: 02/05/2014 01:55 pm »
ExoMars orbiter core module completed

3 February 2014

The ExoMars Trace Gas Orbiter module consisting of the spacecraft structure, thermal control and propulsion systems was handed over by OHB System to Thales Alenia Space France at a ceremony held in Bremen, Germany, today.

The delivery marks an important step in the ExoMars programme, a joint endeavour between ESA and Russia’s Roscosmos space agency.

http://www.esa.int/Our_Activities/Space_Science/ExoMars_orbiter_core_module_completed

Offline belegor

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Re: ESA-Roscosmos: ExoMars 2016 updates and discussion
« Reply #62 on: 02/05/2014 02:32 pm »
Some pictures of the core module can be found on Emily Lakdawalla's blog:
http://www.planetary.org/blogs/emily-lakdawalla/2014/02041241-exomars-baby-pictures.html

Offline bolun

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Re: ESA-Roscosmos: ExoMars 2016 updates and discussion
« Reply #63 on: 02/06/2014 07:19 pm »

Offline Star One

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Re: ESA-Roscosmos: ExoMars 2016 updates and discussion
« Reply #64 on: 02/06/2014 07:38 pm »
Really starting to come together now isn't it.

Offline veblen

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Re: ESA-Roscosmos: ExoMars 2016 updates and discussion
« Reply #65 on: 02/06/2014 07:41 pm »
I wouldn't call closer cooperation wirh Russia a loss.


Cheeky, that is not what Blackstar said.

Offline bolun

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Re: ESA-Roscosmos: ExoMars 2016 updates and discussion
« Reply #66 on: 02/11/2014 08:27 pm »
ExoMars Navigation Camera

Astrium Limited is a core team member for the ExoMars mission, and as such has contracted Neptec Design Group (Neptec) to develop and deliver the ExoMars Rover Vehicle Navigation and Localization Cameras.

http://www.neptec.com/technology/ExoMars-Navigation-Camera.php

Offline Blackstar

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Re: ESA-Roscosmos: ExoMars 2016 updates and discussion
« Reply #67 on: 03/03/2014 04:44 pm »
Some new ExoMars slides.

Offline bolun

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Re: ESA-Roscosmos: ExoMars 2016 updates and discussion
« Reply #68 on: 03/27/2014 08:04 am »

Offline Star One

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Re: ESA-Roscosmos: ExoMars 2016 updates and discussion
« Reply #69 on: 03/27/2014 12:06 pm »

Europe begins Mars site selection

http://www.bbc.com/news/science-environment-26743089

That's a very good article from Jonathan Amos.

Offline Star One

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Re: ESA-Roscosmos: ExoMars 2016 updates and discussion
« Reply #70 on: 03/28/2014 04:05 pm »
Video news piece on the ExoMars rover.

http://www.bbc.co.uk/news/science-environment-26764950

Offline bolun

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Re: ESA-Roscosmos: ExoMars 2016 updates and discussion
« Reply #71 on: 04/05/2014 06:17 pm »
http://exploration.esa.int/mars/53941-scientists-favour-four-exomars-landing-sites/

Scientists favour four ExoMars landing sites

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Some 60 scientists and engineers came together 26–28 March for the first ExoMars 2018 Landing Site Selection Workshop, held at ESA's European Space Astronomy Centre near Madrid. Their task was to begin the process of drawing up a shortlist of the most suitable landing locations for ESA's first Mars rover.

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The workshop attendees favoured four candidate sites – all of which are located relatively near the equator - that were considered to be the most likely to achieve the mission's objectives. They are: Mawrth Vallis (for which 2, very similar, proposals were received), Oxia Planum, Hypanis Vallis and Oxia Palus.

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Over the next few months, members of the ExoMars Landing Site Selection Working Group (LSSWG) will seek to improve their understanding of the scientific and engineering implications associated with each of these four locations, while also devoting some attention to the three remaining sites - Coogoon Valles, Simud Vallis and Southern Isidis.

The LSSWG will then recommend a final shortlist of up to four candidate sites in June 2014, prior to a more detailed analysis. The aim is to complete the certification of at least one landing site for the ExoMars rover by the second half of 2016. The final decision on the landing site will be taken sometime in 2017.

Credits: ESA-Roscosmos/LSSWG/E. Hauber & ESA-Roscosmos/LSSWG/D. Loizeau

« Last Edit: 04/05/2014 06:19 pm by bolun »

Offline redliox

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Re: ESA-Roscosmos: ExoMars 2016 updates and discussion
« Reply #72 on: 04/05/2014 10:02 pm »
Looks like Oxia Planum is getting much attention and nice to see Mawrth Vallis listed once again as a landing site.  I'd bet on those regions although I'm certain ESA will select a site on good grounds.
"Let the trails lead where they may, I will follow."
-Tigatron

Offline asmi

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Re: ESA-Roscosmos: ExoMars 2016 updates and discussion
« Reply #73 on: 06/17/2014 02:54 am »
Link from another thread to an issue of magazine almost exclusively devoted to Exomars mission (in russian only): http://www.laspace.ru/upload/iblock/a3a/a3a873e7ad9d48bf7507db51b777a755.pdf
A ton of very interesting info there, still reading it, here is some:
technical requirements for the lander:
mass of the rover: 350 kg
mass of the landing platform: 50 kg
launch: may 2018 (backup window - august 2020)
arrival:  january 2019 (april 2021 for backup window)
landing sites: Beagle-2 (10.6N 90E) or Elysium Planitia (4.323N 135.663E) or Mawrth Vallis (24.5N 20W) - it's not chosen yet, but will be one of these
landing ellipsis: 50x7.5 km, altitude -2 km
landing acceleration: axial <=18g, lateral <= 8g
landing trajectory: ballistic
atmosphere entry velocity: 5791.9 (Beagle-2)/5796.3 (Elysium Planitia)/5816.9 (Mawrth Vallis) m/s 
landing type: parachute-assisted with terminal powered phase
entry angle: -(12.00±0.21)°
mission duration - 0.5 year for the rover and 2 years for the landing platform.

TGO mission data (Exomars-2016):
launch - january 2016
arrival: october 2016
TGO target orbit: 400 km @74° (will reach that orbit after multiple aerobraking passes in november 2017)
EDM: direct entry from hyperbolic trajectory during dust storm season, landing site: Meridiani Planum (1.82S 6.15W), landing ellipsis: 100x15 km, max surface altitude: -1km
mission duration: TGO - till the end of 2022, EDM - few days.

Interesting fact - the rover will be launched upside down.

There are over 100 pages of the missions' details, so expect more to come from me, or somebody else - it's too large to translate in full.
« Last Edit: 06/17/2014 03:02 am by asmi »

Offline bolun

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Re: ESA-Roscosmos: ExoMars 2016 updates and discussion
« Reply #74 on: 07/05/2014 06:52 pm »
http://www.nasa.gov/jpl/mars/2016-mars-orbiter-20140702/

NASA Radio Delivered for Europe's 2016 Mars Orbiter

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The first of two NASA Electra radios that will fly aboard the European Space Agency's next mission to Mars has been delivered for installation onto the ESA ExoMars Trace Gas Orbiter (TGO).

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Twin Electra ultra-high frequency (UHF) radios on the TGO will provide communication links with robots on the Martian surface -- rovers or landers. Relay of information from Mars-surface craft to Mars orbiters, then from Mars orbit to Earth, enables receiving much more data from the surface missions than would otherwise be possible.
« Last Edit: 07/05/2014 06:53 pm by bolun »

Offline bolun

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Re: ESA-Roscosmos: ExoMars 2016 updates and discussion
« Reply #75 on: 07/11/2014 08:48 pm »
Airbus Defence and Space completes production of heat shields for 2016 ExoMars mission

http://airbusdefenceandspace.com/airbus-defence-and-space-completes-production-of-heat-shields-for-2016-exomars-mission/

Quote
The Schiaparelli’s front shield, which has a diameter of 2.4metres and weighs 80 kilogrammes, is made up of a carbon sandwich structure covered with 90 Norcoat Liege insulating tiles. During the atmospheric entry phase, the material is built to withstand temperatures of up to 1,850°C before being jettisoned. The rear shield, which contains the parachute, deployed during the descent, weighs a mere 20 kilogrammes and is composed of 93 tiles of 12 different types, affixed to the carbon structure. The probe’s equipment is integrated into the front shield, then covered with the rear shield before final assembly in Baikonur in preparation for launch.

Image credit: Airbus Defence and Space

Offline tolis

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Re: ESA-Roscosmos: ExoMars 2016 updates and discussion
« Reply #76 on: 08/06/2014 10:33 am »
ExoMars 2018 will likely face a 2-year delay according to Anatoly Zak's
Russian Space Web forum:

http://www.russianspaceweb.com/exomars2018_2014.html

From reading this, I get the impression that the decision to
share the landing system development work between Europe and Russia
turned out to be not a very good one (but was there an alternative?),
and the programme is still short of money. No doubt a shift to 2020
will add further to the overall project cost.

Tolis.

Offline baldusi

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Re: ESA-Roscosmos: ExoMars 2016 updates and discussion
« Reply #77 on: 08/06/2014 12:43 pm »
Well, ESA has already developed their own EDL, which will go along the TGO, on the first launch. It's the second mission the one that could face delays. And that EDL is mostly Russian. Remember that Russian, France, Italy et al have their version of ITAR. And while it might not be as obtuse as the American law, GNC and EDL are exactly ICBM/MIRV technologies. So it is a thorny issue.
Besides, the rumors I heard was that the Europeans were less than happy with the technical preparation of some of the Russian counterparts. P,ease remember that no current Russian engineer has successfully launch anything beyond an Earth centric orbit. Apparently, nothing is left of the glorious Soviet times.

Offline Star One

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Re: ESA-Roscosmos: ExoMars 2016 updates and discussion
« Reply #78 on: 09/03/2014 05:37 pm »

Offline Blackstar

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Re: ESA-Roscosmos: ExoMars 2016 updates and discussion
« Reply #79 on: 09/03/2014 05:43 pm »
Besides, the rumors I heard was that the Europeans were less than happy with the technical preparation of some of the Russian counterparts. P,ease remember that no current Russian engineer has successfully launch anything beyond an Earth centric orbit. Apparently, nothing is left of the glorious Soviet times.

You might have heard that from me, rumor-mongering here. I got that very second-hand. Or did you hear it independently?

Anyway, the overall political relationship between Russia and Europe is currently deteriorating (see today's announcement by France over the helicopter ship). I keep wondering if/when this mission may suffer.

Tags: Mars Exomars 
 

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