hayabusa2 mission results
The spacecraft was launched in 2014 and arrived at the target asteroid Ryugu on June 27, 2018. Tsuda called the successful return of the asteroid soil and gas samples “a major scientific milestone.”. 2.Anticipated scientific achievements 3.Expectation for the sample analysis 4.Initial observational results with the mid-infrared camera (TIR). They describe at least 30 circular depressions that are more than 20 meters across. The mission was performed on the asteroid named 25143 Itokawa and was successfully led by JAXA The entire mission was completed in 7 years, 1 month, and 4 days. These results appeared on December 15, 2020, in the Minor Planet Electronic Circular issued by the IAU Minor Planet Center (MPEC 2020-X181 : 1998 KY26). Hayabusa (Japanese: はやぶさ, "Peregrine falcon") was a robotic spacecraft developed by the Japan Aerospace Exploration Agency (JAXA) to return a sample of material from a small near-Earth asteroid named 25143 Itokawa to Earth for further analysis. Its surface is unexpectedly boulderyâitâs twice as densely populated with boulders as Itokawa was. The environment is little bit different from the asteroid. Hayabusa2 (Japanese: はやぶさ2, "Peregrine falcon 2") is an asteroid sample-return mission operated by the Japanese space agency, JAXA.It follows on from the Hayabusa mission which returned asteroid samples in 2010. Here are instructions on how to enable JavaScript in your web browser. At least, by comparison to the Moon or Mercury. Jason Davis tells you that story. Asteroid 162173 Ryugu (formerly designated 1999 JU3) is a primitive carbonaceous near-Earth asteroid. The largest boulder, near the south pole, named Otohime, is 160 meters across its longest axis. There is certainly evidence of at least some of Ryuguâs rocks having experienced a large impact and resolidifying in new rock. Notice, Smithsonian Terms of Hayabusa! Hayabusa2 achieved a pin-point touchdown operation by utilizing a pre-released TM to perform accurate navigation and guidance to the surface, while avoiding surface hazards. The Hayabusa2 Extended Mission to 1998 KY26 (JAXA). (or is it just me...), Smithsonian Privacy The main objective of science is to study the organic matters and the water at the beginning of the solar system. Ever since being appointed project manager, I was constantly anxious about whether we would be able to complete the mission successfully. … 0.Hayabusa2 overview: outline of the mission flow. New Experiment! Hayabusa2 has one more asteroid sampling device onboard, and as the mission nears its end over a decade from now, the probe may deliver yet another asteroid sample to Earth. First Science Results from Hayabusa2 Mission. Studying it is expected to provide additional knowledge on the origin and evolution of the inner planets and, in particular, the origin of water and organic compounds on Earth, all relevant to the origin of life on Earth. With the sun rising over mission control in Sagamihara on Feb. 21, 2019, Tsuda donned his off-white Hayabusa2 mission jacket, and the team began its operation. of the results from both missions. Hayabusa2 Lander Mania: Results from MASCOT, Plans for MINERVA-II2. So what bigger main-belt asteroid did they come from? The spacecraft took off from the Earth surface on May 9, 2003, and landed back with Itokawa samples on June 23, 2010 It surveyed the asteroid for a year and a half and took samples. So the basic story for these worlds is that they originated in the main belt, as fragments of a previously larger body, blasted off in some ancient collision, and some series of gravitational encounters delivered them to near-Earth orbital space within the last couple hundred million years. Hayabusa2, meanwhile, is now on an 11-year expedition to another asteroid to try to study possible defenses against meteorites that could fly toward Earth. The Hayabusa2 team held a press briefing at LPSC on Tuesday to report newly published results. Download their slides here and here, and their movies here. You can support the entire fund, or designate a core enterprise of your choice. The operation results, including the achieved guidance and navigation performance, are also summarized. He received his bachelor of engineering from … Specifically: Diameter across the equator: 1004 ± 4 meters; across the pole, 875 ± 4 meters. Counting the littlest craters, 10 meters across, it looks like craters in that size range get erased within a million years or so. What a great week in Houston! -Near-infrared spectral results -Surface morphologies -Local topography -Shape, physical properties . The unpiloted Hayabusa2 was launched in December 2014. Future operations policy 3. Japan’s mission to bring asteroid dust back to Earth has succeeded. Join fellow space enthusiasts in advancing space science and exploration. What about meteorites? The presence of craters on the surface of the equatorial ridge suggests that the ridge is a fairly old feature. Long ago, the rocks that made Ryugu formed in the warm interior of a young, biggish asteroid. 9! Dec. 2019 : Departure! Japan's Hayabusa2 mission, the first to collect samples from beneath the surface of an asteroid, landed back on Earth early Sunday morning in Australia. Get updates and weekly tools to learn, share, and advocate for space exploration. They werenât sure of the pole orientation before seeing the asteroid up close; this particular orientation (nearly perfectly retrograde) was considered the second-most-likely pole position before Hayabusa2 arrived. Hayabusa is projected to arrive at asteroid 1999 JU3 in 2018.Launch: December 2014Operating Network: Deep Space Network Current status and overall schedule of the project 2. In the mission control room in Japan, all eyes were fixed on one of the large screens that ran along the far wall. After a series of technical setbacks, it sent back samples from another asteroid, Itokawa, in 2010. Launch The spacecraft observes the asteroid, releases the small rovers and the lander, and executes multiple samplings. The Hayabusa-2 space probe collected surface dust and pristine material last year from the asteroid Ryugu, around 300 million kilometres (200 million miles) away, during two daring phases of its six-year mission. Hayabusa2 is a Japanese sample return mission from the near-Earth asteroid Ryugu. No smaller craters formed on Ryugu because its boulder surface acts as an armor that prevents smaller projectiles from making craters. After graduation, he joined JAXA and has been working on the guidance, navigation, and control subsystem of Hayabusa2, which is JAXA’s asteroid sample-return mission. Agreement NNX16AC86A, Is ADS down? During its stay around Ryugu, it completed several challenging operations, including deploying two rovers and a lander, conducting two sample collections, and performing a kinetic impact experiment. The Hayabusa-2 team has also published its results over three papers in Science journal. You may opt out any time. Ground-based characterization of Hayabusa2 mission target asteroid 162173 Ryugu: constraining mineralogical composition in preparation for ... and spherical Bond albedo. Some of the circular depressions have bowl shapes, which is expected for craters, while others have shallow floors, which would have to mean that a crater got filled with material somehow after it formed. The composition of Ryuguâs surface materials appears pretty homogeneous, with every spectrum containing evidence for the ubiquitous presence of a very small amount of hydroxyl ion, OH-, in Ryuguâs minerals, probably in a magnesium-rich clay mineral. Hayabusa2 is a Japanese interplanetary probe launched on December 3, 2014, which arrived at asteroid Ryugu on June 27, 2018. The success of the mission inspired a successor spacecraft, called Hayabusa 2. The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative June 2018 : Arrival at 1999 JU3! Or will a new discovery only add to a long list of false hopes? Ryugu was predicted to have a typical carbonaceous asteroid albedo of around 3 or 4 percent, but not only is it darker than known asteroids, itâs also darker than any carbonaceous chondrite meteorite measured in the laboratory. Yarkovsky and YORP conspire to make asteroids impact inner planets or spin up so fast they disrupt within a couple hundred million years. First Science Results from Hayabusa2 Mission. Hayabusa2 arrived at Asteroid Ryugu in June 2018 and we have carried out remote sensing observations, several descent operations, and releases of two small rovers and one lander within the year of 2018. 3, 2015: Earth FlybyJune 27, 2018: Arrival at Asteroid RyuguSept. Hayabusa2 is equipped with a high-specific impulse ion engine system to enable the round-trip mission. The mission was originally inspired by the Hayabusa2 mission. Hayabusa2 is a successor of the original Hayabusa mission that Japan launched in 2003. Hayabusa2 Mission Outline! (âBlueâ is a relative term. Hayabusa2 and mission flow outline 1. We are grateful to everyone at Subaru Telescope.” says Dr. Makoto Yoshikawa, the Hayabusa2 Mission Manager at ISAS, JAXA. These results appeared on December 15, 2020, in the Minor Planet Electronic Circular issued by the IAU Minor Planet Center ( MPEC 2020-X181 : 1998 KY26 ). Astrophysical Observatory. Cette mission prend la suite d'Hayabusa lancée en 2003. Hayabusa2: Successful Touchdown and Scientific Findings for Ryugu ... ・World’s first sample return mission to a C-type asteroid. The simulations were performed with the numerical N-body code pkdgrav adapted to model the … Then in the year of 2019, the first touchdown operation was executed successfully in February, and the impactor experiment was done in April. Itâs a retrograde rotator, with axial tilt 171.64 ± 0.03 degrees, and a spin period of 7.63262 ± 0.00002 hours. Any near-Earth asteroid as small as Ryugu (or Bennu) cannot be very old, geologically speaking. Learn how our members and community are changing the worlds. 2019! This paper describes the guidance and navigation technique used by Hayabusa2 for the asteroid rendezvous operation to reach Ryugu. … The particles that wouldâve made those craters would be 0.1 to 1 meter acrossâjust a bit smaller than the boulders that cover Ryugu. The sample is now in the curation chamber, but patience is still required before we can expect the first results. Then in the year of 2019, the first touchdown operation was executed successfully in February, and the impactor experiment was done in April. This thesis aims for a better understanding of the dynamics of regolith in a low-gravity environment through numerical simulations. More information First Science Results from Hayabusa2 Mission | The Planetary Society Yuichi Tsuda: The focus is about 10 times larger than Ryugu. There are not a lot of answers to the questions of where it came from, what its geologic history looked like, and how its surface came to appear as it does. Mysterious. Concerning the Hayabusa2 mission, after a brief analysis of Ryugu’s geophysics are presented the studies on CNES-DLR MASCOT lander and on the sampling mechanism. What a great week in Houston! So all the craters we can see in that size range formed roughly that recentlyâsome of them much more recently than that.None of those craters will be quite as fresh as the one that Hayabusa2 is about to create, though. She was the PI of the “Hayabusa2” superior solar conjunction mission phase in late 2018. 7.1. She worked at the JAXA’s Institute of Space and Astronautical Science (ISAS) from 2016 to 2019, after completing one-year JSPS post-doc research fellowship at the same institute. With three missions reporting first science results, the celebration of the 50th anniversary of the Apollo 11 landing, and a host of ongoing science from across the solar system, it was intense and fun. Hayabusa2 arrived at Asteroid Ryugu in June 2018 and we have carried out remote sensing observations, several descent operations, and releases of two small rovers and one lander within the year of 2018. (Circular depressions that donât have raised rims could be other things, like pits where material drained from the surface into a void underground, or places where centrifugal force caused large boulders to launch off the surface.) 1.Current status and overall schedule of the project. The best matches are 142 Polana and 495 Eulalia, but even these arenât perfect. Check out the breccia block in this photo. Sign up for updates, weekly tools, and exclusive opportunities to support space exploration. Multiple assessment and navigation teams worked closely to provide reliable navigation solutions with a short solution delivery cycle. The best laboratory match thatâs been found for what theyâre seeing at Ryugu is meteorites that have been cooked â âthermally metamorphosedâ meteorites. The target asteroid is (162173) Ryugu, which is a C-type near Earth asteroid. Hayabusa2 Lander Mania: Results from MASCOT, Plans for MINERVA-II2. Japan's Hayabusa2 spacecraft returned a sample from asteroid Ryugu to Earth in December 2020. This spacecraft is on its way to asteroid 162173 Ryugu and is expected to … Abstract. It is surprisingly symmetrical and even; the asteroid is diamond-shaped in profile, but nearly perfectly circular when viewed from the top. The Japan Aerospace Exploration Agency (JAXA) confirmed on 14 December that a capsule from spacecraft Hayabusa2… Result of the touchdown operation 4. Result of the touchdown operation ... scientific findings through comparison and investigation of the results from both missions. Hayabusa 2 primary specifications Mass Approx. Current status and overall schedule of the project 2. Future operations policy 3. Hayabusa2 was a difficult mission, and if anything had gone wrong along the way, it would have failed. Global view of Ryugu (Urashima crater perspective), Global view of Ryugu (Brabo crater perspective), Hayabusa2: Japan's mission to Ryugu and other asteroids, The Hayabusa2 team held a press briefing at LPSC on Tuesday, Many thanks to Sugita-san for placing online the raw data for all the images his group presented in their paper, Why Lightning on Jupiter is a Planetary Unsolved Mystery. So it was a huge weight off my shoulders. Accelerate progress in our three core enterprises â Explore Worlds, Find Life, and Defend Earth. Cette dernière, malgré de nombreux déboires, était parvenue à Assuming its grains have the density of carbonaceous chondrites (lowest measured density being 2.42 ± 0.06 grams per cubic centimeter), it must have more than 50% porosity. Hayabusa2 is an asteroid sample return mission carried out by the Japan Aerospace Exploration Agency. says Dr. Makoto Yoshikawa, the Hayabusa2 Mission Manager at ISAS, JAXA. As a result, we can move on to the next stage in space development." - Dec. 2019: Spacecraft departs asteroidDecembe… Hayabusa’s extended mission involves multiple flybys during more than a decade. Asteroid Ryugu: First Science Results from JAXA’s Hayabusa-2 Mission. Email: mimasu.yuya@jaxa.jp. The impactor collides to the surface of the asteroid. It arrived near the asteroid Ryugu in June 2018. Fireball created by the Hayabusa2 re-entry capsule as it passes through the Earth’s atmosphere towards the ground (JAXA). Weâll get answers to some of these questions as Hayabusa2 completes its mapping and scientists analyze the data. Hayabusa2 and mission flow outline 1. Can We Make Mars Earth-Like Through Terraforming? The re-entry capsule will be deconstructed and the sample container opened in a vacuum environment in the next week. More than half have raised rims, which geologists consider fairly diagnostic of impact craters, at least on worlds this small. Hayabusa2 - mission and science results up to now Yoshikawa, M. und Watanabe, Sei-ichhiro und Tsuda, Yuichi und Jaumann, R und Ho, Tra-Mi und Moussi-Soffys, Aurelie und Fujimoto, M. (2019) Hayabusa2 - mission and science results up to now. The control room was calm. 10! Hayabusa vs Hayabusa2 (1)! Those big boulders may be why there arenât many small craters on Ryugu. GCP-NAV flight results Japan's Hayabusa2 spacecraft only has about 3 months left at asteroid Ryugu, and between now and its departure it’s going to drop more stuff on the surface. But then they got heated even moreâmaybe it was really early in solar system formation when there was aluminum-26 around to generate lots of heat by radioactive decay, or maybe it happened in a violent impactâand the extra heating decomposed some of the hydrated minerals to other forms and darkened the rock. The smaller the asteroid, the more rapidly these forces operate. Hayabusa2 was launched in 2014 on a mission to collect samples from Ryugu – Japan’s second attempt at retrieving material from an asteroid since the mostly successful Hayabusa1 in 2010. It is EXTREMELY dark, with albedo mostly in the range of 1.4 to 1.8 percent, one of the darkest objects ever measured in the solar system. This asteroid was large enough for internally-driven geology so wouldâve been several hundred kilometers across. 18 months Target body Near-Earth asteroid Ryugu Primary instruments Sampling mechanism, re-entry capsule, optical cameras, laser range-finder, scientific A small impactor, hitting one of those boulders, would just fracture or disrupt the boulder, not dig a crater. Hayabusa 2 primary specifications Mass Approx. The craters that we see on Ryugu are 1 to 30 meters in diameter. JAXA laid out its plan for Hayabusa2’s extended mission during a recent press briefing. By Bryan Preston Dec 18, 2020 12:15 PM ET . The asteroid being explored by the Japanese mission Hayabusa-2 is a "rubble pile" formed when rocks were blasted off a bigger asteroid and came back together again. Hayabusa2 is the second sample return mission from asteroid s in the world . Thatâs also mysterious. For me, the most exciting results were the back-to-back sessions reporting on first looks at Bennu and Ryugu with OSIRIS-REx and Hayabusa2. Your role in space exploration starts now. Mission planners decided it was the most scientifically interesting asteroid Hayabusa2 could reach and study, given remaining fuel, Yoshikawa said. Apr 3, 2019 - The Hayabusa2 team held a press briefing last week at LPSC to report newly published results on asteroid Ryugu. SHARE THIS ARTICLE ON Topics Density: 1.19 ± 0.02 grams per cubic centimeter. Request PDF | Hayabusa2 - mission and science results up to now | Hayabusa2 arrived at a C-type near Earth asteroid, (162173) Ryugu on 27 June 2018. Empowering the world's citizens to advance space science and exploration. In fact, this early phase of a mission to a never-before-explored world is more about coming up with new questions than it is about answering old ones. Scientists in Japan said Tuesday they were left "speechless" when they saw how much asteroid dust was inside a capsule delivered by the Hayabusa-2 space probe in an unprecedented mission. That is, which main-belt asteroid will we have pieces of when we return the Hayabusa2 and OSIRIS-REx samples to Earth? The Hayabusa2 mission successfully collected a sample from the near-Earth asteroid and returned it to Earth -- as well as the first gas sample from deep … Weâll get answers to more questions later, after the samples are returned and divvied up to labs worldwide and analyzed with every laboratory technique known to humanity. Still, even with the argument about armoring, there are fewer small craters on Ryugu than youâd expect. The sample will be obtained from the newly created crater. Actually, I was one of the proposer of that mission, initially. Maybe. And some of these questions wonât be answered satisfactorily. The target also rotates on its axis roughly every 11 minutes. Itâs all part of the fun of planetary exploration. The Hayabusa2 spacecraft was launched on December 3, 2014, and arrived at Ryugu on June 27, 2018. Hayabusa (Japanese: はやぶさ, "Peregrine falcon") was a robotic spacecraft developed by the Japan Aerospace Exploration Agency (JAXA) to return a sample of material from a small near-Earth asteroid named 25143 Itokawa to Earth for further analysis. NASA Mission to Venus in 1978 May Have Detected Phosphine, a Gas Related to Life, instructions on how to enable JavaScript in your web browser, “Exploration is in our nature.” - Carl Sagan. Ohshima: The main mission of this project was to deliver samples from Ryugu to scientists back on Earth. In addition to their press briefing and an afternoon session at LPSC, they published 3 open-access papers led by Sei-Ichiro Watanabe, Kohei Kitazato, and Seiji Sugita and coauthors. Read more: Asteroids, Hayabusa2, Mission status, Ryugu, Small bodies, Small bodies missions, Space missions, Worlds. Many thanks to Sugita-san for placing online the raw data for all the images his group presented in their paper, which Iâve pulled from for the pictures in this article! Hayabusa2! Craters, right? Images from CAM-H 5. It is top-shaped, with an equatorial bulge. Our citizen-funded spacecraft successfully demonstrated solar sailing for CubeSats. The results are based on high-resolution measurements of the surface temperature with the DLR radiometer MARA on board the German-French Mobile Asteroid Surface Scout (MASCOT) lander. 14 2018: Rehearsals began for touchdown on the asteroidEarly 2019: Deployment of impactor followed by touchdown to gather a sampleJuly 2019: Deployment of remaining roversNov. Japanese Hayabusa2 Mission Returns Asteroid Sample to Earth and Scientists Are 'Speechless' at What They See. It stayed there until November 13, 2019 for in situ observation and soil sample collection, and will return to the Earth in November or December 2020. 609 kg Launch 3 Dec 2014 Mission Asteroid return Arrival 27 June 2018 Earth return 2020 Stay at asteroid Approx. Hayabusa2 is equipped with a high-specific impulse ion engine system to enable the round-trip mission. Hayabusa2 follows in the footsteps of Hayabusa, the world’s first asteroid sample return mission, which JAXA launched in 2003. “Thanks to the parallel missions of Hayabusa2 and OSIRIS-REx, we can finally address the question of how these two asteroids came to be,” Sugita said. Hayabusa 2 is a Japan Aerospace Exploration Agency (JAXA) mission planning to rendezvous with an asteroid, land a small probe and three miniature rovers on the surface, and then return samples to Earth. Hayabusa2: Asteroid Ryugu’s soil and gas samples leave scientists speechless. © 2021 The Planetary Society. Request PDF | Hayabusa2 - mission and science results up to now | Hayabusa2 arrived at a C-type near Earth asteroid, (162173) Ryugu on 27 June 2018. The touchdown operation, TD1-L08E1, was successful, in which the performance of the GNC systems was satisfactory. Rubble-pile asteroids can achieve these shapes if they spin fast enough, but Ryugu would have to be spinning much faster than it is nowâonce in a little under 4 hoursâto naturally form the shape it has today. Dec. 3, 2014: LaunchDec. However, if you compare it to Itokawa and Eros, those littler near-Earth asteroids also have a dearth of small craters. The Hayabusa2 spacecraft successfully performed its first touchdown (TD1) by using the TM released in the TD1-R3 and collected surface materials on February 22, 2019. For full functionality of this site it is necessary to enable JavaScript. With three missions reporting first science results, the celebration of the 50th anniversary of the Apollo 11 landing, and a host of ongoing science from across the solar system, it was intense and fun. In addition to … Use, Smithsonian Dec. 2020! Hayabusa2 was launched in 2014 on a mission to collect samples from Ryugu – Japan’s second attempt at retrieving material from an asteroid since the mostly successful Hayabusa1 in 2010. Jason has already reported out OSIRIS-REx results, so Iâll tell you what the Hayabusa2 team had to say. When you become a member, you join our mission to increase discoveries in our solar system and beyond, elevate the search for life outside our planet, and decrease the risk of Earth being hit by an asteroid. (Credit: JAXA) Engineers will need to keep the spacecraft’s systems, instruments and ion engine healthy for another 10.5 years. Hayabusa2’s extended mission will involve a flyby of another asteroid and two flybys of Earth before its rendezvous with asteroid 1998 KY26 in July 2031. In June 2018, the Japanese Aerospace Exploration Agency (JAXA) spacecraft and sample return mission Hayabsua-2 … Hayabusa2's first mission aimed to help scientists learn about the composition of the asteroid Ryugu's minerals, and thereby learn more about the origin and evolution of Earth and the solar system. The ground slopes away from the equator quite steeply, at about 34 degrees. The next stage includes a mission called MMX, which will aim to bring back samples from Mars' largest moon Phobos. The MMX is planned to be launched in 2024 and explore the martian moon. That means the materials composing Ryugu once interacted with waterâa pretty common finding in meteorites. The display … During the 1.5-year proximity phase, several critical operations (including two landing/sampling operations) were successfully performed. View our Privacy Policy. What can we learn from Ryuguâs shape? The Hayabusa2 mission successfully collected a sample from the near-Earth asteroid and returned it to Earth -- as well as the first gas sample from deep … 5.Mission schedule 6.Future plans 3 We have a lot of scientific data about Ryugu and the natures of Ryugu have been revealed one after another. Atsushi Fujii is a researcher at Hayabusa2 Project Team, ISAS, JAXA. His research interests are astrodynamics and mission analysis around small bodies. Hayabusa2 was launched almost six years ago on Dec. 2, 2014. EPSC-DPS Joint Meeting 2019, 15. Carbonaceous asteroids are thought to preserve the most pristine, untainted materials in the Solar System, a mixture of minerals, ice, and organic compounds that interact with each other. Dec 2014! After a few bigger impacts, the littler craters are gone. Our computed albedo quantities are consistent with results from Ishiguro et al. Future plans Reference material 2019/03/05 Hayabusa2 reporter briefing 3. Science comment on the touchdown 6. But the relative blueness of the ridge suggests that itâs younger than the midlatitudes. 10! That is, when a biggish impact happens, it gives the whole asteroid a good hard shake, and the boulders settle, and the littler craters get harder to see. Hayabusa2's first mission aimed to help scientists learn about the composition of the asteroid Ryugu's minerals, and thereby learn more about the origin and evolution of … What a great week in Houston! The asteroid’s small size — about 30 meters in diameter — could also make the rendezvous challenging for the aging spacecraft. Ryugu is a small world and itâs just covered with boulders that are up to a few meters across. ・World’s first attempt at a rendezvous with an asteroid and performance of observation before and after projectile impact from an impactor. On 3 October 2018, as part of the Japanese Hayabusa2 mission, MASCOT descended onto the almost one-kilometre-diameter asteroid Ryugu and sent spectacular images and physical measurements from the … Itâs still very early in the Hayabusa2 mission. Mission planners decided it was the most scientifically interesting asteroid Hayabusa2 could reach and study, given remaining fuel, Yoshikawa said. 21, 2018: Deployment of two Minerva-II1 rovers Oct. 3, 2018: Deployment of MASCOT landerOct. The Hayabusa2 spacecraft touched down to Ryugu at 22:29:10 UTC on February 21, 2019. People usually argue that seismic shaking erases small craters. There are forces that act to change an asteroidâs orbit over time (the Yarkovsky effect) and that act to spin it up over time (YORP).
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