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Topic: 2001 QR322


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  BBC NEWS | Science/Nature | Dancing with Neptune
The object, catalogued as 2001 QR322, is the first to be found in association with Neptune.
2001 QR322 was found during a survey of the outer Solar System using telescopes in the US and Chile funded by the US space agency (Nasa).
Astronomer Eugene Chiang said: "The orbit of 2001 QR322 is remarkably stable; projections of its trajectory into the future reveal that it can co-orbit with Neptune for at least billions of years.
news.bbc.co.uk /2/hi/science/nature/2642065.stm   (315 words)

  
 First Neptune Trojan Discovered
2001 QR322 was discovered in the course of the Deep Ecliptic Survey, a NASA-funded survey of the outer solar system that uses the National Science Foundation's telescopes at Kitt Peak National Observatory near Tucson, AZ, and Cerro Tololo Inter-American Observatory in Chile.
The team first detected 2001 QR322 on August 21, 2001, in deep digital images taken with the 4-meter Blanco Telescope at Cerro Tololo by Marc Buie, Robert Millis, and Lawrence Wasserman of Lowell Observatory.
"It is likely that 2001 QR322 is a dynamically pristine object whose orbital eccentricity and inclination have been largely unaltered by processes that afflicted the majority of bodies in the outer solar system," said Chiang.
www.spacedaily.com /news/kuiper-03a.html   (641 words)

  
 First Neptune Trojan discovered
This small body, known as 2001 QR322, leads Neptune around its orbit in such a way as to maintain -- on average -- approximately equal distance from Neptune and the Sun.
However, several subsequent observations, made with a variety of telescopes over the past 16 months, coupled with numerical orbit integrations of the trajectory of the asteroid, were required to prove that 2001 QR322 is indeed a Neptune Trojan.
It is likely that 2001 QR322 is a dynamically pristine object whose orbital eccentricity and inclination have been largely unaltered by processes that afflicted the majority of bodies in the outer solar system."
www.govertschilling.nl /nieuws/archief/2003/0301/030108_noao.htm   (437 words)

  
 Encyclopedia :: encyclopedia : 2001 (via CobWeb/3.1 planetlab2.cs.unc.edu)   (Site not responding. Last check: 2007-09-10)
By strict interpretation of the Gregorian Calendar, 2001 is also the first year of the 21st century and the 3rd millennium.
September 18 - The 2001 anthrax attacks commence as anthrax letters are mailed from Princeton, New Jersey to ABC News, CBS News, NBC News, the New York Post, and the National Enquirer.
October 9 - The 2001 anthrax attacks continue as anthrax letters are mailed from Princeton, New Jersey to Senators Tom Daschle of South Dakota and Patrick Leahy of Vermont.
www.hallencyclopedia.com.cob-web.org:8888 /topic/2001.html   (3808 words)

  
 2001 QR322
The newly discovered Neptune Trojan 2001 QR322 is on a low inclination, almost circular orbit.
The orbit of 2001 QR322 is close to the edge of this region and may then be primordial.
However, the present uncertainties in the orbit of 2001 QR322 and the sharp profile of the resonance do not allow strong statements on the influence of this resonance on the real orbit of the Neptune Trojan.
www.wsu.edu /~tricaric/phd_thesis_tricarico/node56.html   (594 words)

  
 Romfart
Om vi tenker oss at denne linjen holdes i ro, går 2001 QR322 i en bane innenfor den brede, svarte buen, mellom den røde og grønne buede pilen.
Den røde kurven viser hvordan 2001 QR322 beveger seg når den beveger seg bort fra Neptun, mens den grønne viser hvordan bevegelsen er når asteroiden beveger seg mot Neptun.
Sett fra Solen går 2001 QR322 selvsagt i en vanlig elliptisk bane rundt Solen, som Neptun og de andre planetene og asteroidene.
www.romfart.no /eRomfart/Notiser/S/2003/2003008.shtml   (515 words)

  
 У Нептуна обнаружен первый троянец / ROL
Впервые этот астероид заметили 21 августа 2001 г., но потребовалось еще 16 месяцев наблюдений за ним, чтобы убедиться в том, что его можно отнести к категории троянцев.
Поперечный размер астероида 2001 QR322 составляет около 230 км, то есть он крупнее первого троянца Ахиллеса.
2001 QR322 совершает полный оборот вокруг Солнца приблизительно за 166 лет (у Нептуна период вращения составляет около 165 лет).
www.stars.ru /news/misc/spacenews/03/01/10_002.htm   (183 words)

  
 [No title]
Îí áûë âïåðâûå ñôîòîãðàôèðîâàí àñòðîíîìàìè îáñåðâàòîðèè Ìàóíà-Êè (Ãàâàéè) 11 äåêàáðÿ 2001 ã.
2001 XA255 â ïåðèãåëèè äîñòèãàåò îðáèòû Ñàòóðíà, òîãäà êàê åãî àôåëèé íàõîäèòñÿ äàëåêî çà îðáèòîé Ïëóòîíà.
Îäíàêî íîâûå íàáëþäåíèÿ ïîêàçàëè, ÷òî 2001 QR322 - ïåðâûé îáíàðóæåííûé "òðîÿíåö" Íåïòóíà, ò.å.
www.astrologic.ru /kbo/news.htm   (1266 words)

  
 Introduction
Exploring the long term stability of 2001 QR322 and of similar bodies, that could be detected in the future around the Lagrangian points of Neptune, is the first step towards a deeper understanding of the origin of Trojan-type bodies, and of the formation of their parent planets.
2001 QR322 could be the first member of a consistent primordial population of Neptune Trojans.
The same authors in their paper were urging observes to search for Neptune Trojans due to their stability properties in advance of the discovery of 2001 QR322.
www.wsu.edu /~tricaric/phd_thesis_tricarico/node53.html   (833 words)

  
 Long-term evolution of the Neptune Trojan QR322   (Site not responding. Last check: 2007-09-10)
A second set of sixteen bodies has a random error in semi-major axis of 1e-4 and a third set of thirty-two bodies has a systematic change in mean motion in the interval (0.999 n_0, 1.001 n_0) with n_0 the observed mean motion of 2001 QR322.
It is found that QR322 is subject to one secular resonance, the \nu_18 resonance, and four near secular resonances; the latter play only a minor role in its evolution.
The shortest observed Lyapunov time for QR322 and its clones is about 1.5 Myr, similar to the regression frequency of the node of Neptune.
www.astro.uwo.ca /~wiegert/preprints/pp18.html   (278 words)

  
 Jan. '03 ACC News
On 8 Jan. it was formally announced that 2001 QR322 is the first of its kind, a "Trojan" that shares the orbit of Neptune.
MPEC 2003-A55 of 8 Jan. updated 2001 QR322, which was originally announced on 1 Nov. 2001 in MPEC 2001-V11.
That circular reported that QR322 was discovered on 21 Aug. 2001 from Cerro Tololo by the Lowell Observatory's Deep Ecliptic Survey (DES) team, and noted the apparent relationship with Neptune.
www.hohmanntransfer.com /news/0301.htm   (1858 words)

  
 [31.07] The MATROS project: Stability of Neptune Trojans and of 2001 QR322   (Site not responding. Last check: 2007-09-10)
Particular attention was given to the recently discovered Neptune Trojan 2001 QR322.
Results are obtained in form of diffusion maps which give relative timescales for the stability of orbits in different regions of proper element space.
The Trojan 2001 QR322 is situated at the border of one of the most stable regions at low inclination.
www.aas.org /publications/baas/v35n4/dps2003/4.htm   (199 words)

  
 2001 QR322 - Encyclopedia, History, Geography and Biography
2001 QR also written 2001 QR322) is an asteroid discovered in 2001 that is one of the four currently known Trojan asteroids of Neptune.
The others are 2004 UP and 2005 TO It orbits ahead of Neptune at its L
This encyclopedia, history, geography and biography article about 2001 QR322 contains research on
www.arikah.com /encyclopedia/2001_QR322   (156 words)

  
 First Neptune Trojan found
The left-hand panel displays a bird's-eye view of the outer solar system, with the orbits of Jupiter, Saturn, Uranus and Neptune about the Sun shown schematically.
The small inset rectangle at left is magnified in the right-hand panel.
Kitt Peak and Cerro Tololo Inter-American Observatory are part of the National Optical Astronomy Observatory (NOAO), which is operated by the Association of Universities for Research in Astronomy (AURA), Inc., under a cooperative agreement with the National Science Foundation.
www.atlasaerospace.net /eng/newsi-r.htm?id=194   (500 words)

  
 First Neptune Trojan Discovered
Additional measurements mapping the motion of the newly discovered object over the next year were needed to prove that this small body, called 2001 QR322, is indeed behaving as a Trojan.
Calculations by team member Eugene Chiang of UC Berkeley indicate that 2001 QR322 likely formed in its current orbital lock with Neptune during the early days of the Solar System and, barring collision or close encounter with some unknown object, will continue to librate near Neptune for billions of years.
Perhaps more important than either of these, however, is that the discovery of 2001 QR322, like the discovery of the Kuiper Belt Objects in 1992, shows us there are whole new classes of objects waiting to be found in the region of Neptune and beyond.
www.lowell.edu /online_newsletter/spring_03/first_trojan.html   (520 words)

  
 2001 QR322
Der Artikel 2001 QR322 gehört zur Kategorie: Neptun-Trojaner (L4)
Diskussion der Autoren über den Artikel: 2001 QR322
Erklärung des Begriff 2001 QR322 und dessen Bedeutung wurde zuletzt am 20.12.2006 aktualisiert (Glossar Lexikon Enzyklopädie).
www.weblexikon.de /2001_QR322.html   (98 words)

  
 Planet X? (2) - Year 2012 - tribe.net
Asteroid 2001 QR322 turned up serendipitously in a telescopic survey conducted three years ago by Chiang.
It is the first known member of Neptune's "Trojan" asteroid population, named after a similar family of captured asteroids that tag along in front of and behind Jupiter as it orbits the sun.
His computer models show that it is almost impossible for Neptune to capture asteroids because the planet is only half the size of Jupiter and so possesses a much weaker gravitational field.
2012.tribe.net /thread/02187fb6-1e41-4ce7-8af0-701227a9963f   (2772 words)

  
 [No title]
This small body, known as 2001 QR322, leads Neptune around its orbit in such a way as to maintain-on average-approximately equal distance from Neptune and the Sun.
It is likely that 2001 QR322 is a dynamically pristine object whose orbital eccentricity and inclination have been largely unaltered by processes that afflicted the majority of bodies in the outer solar system." A graphic that describes the orbit of 2001 QR322 is available above.
The CHIPS instrument was built at the Space Science Laboratory of the University of California, Berkeley, and SpaceDev, Inc. of Poway, Calif., built the spacecraft bus.
www2.warwick.ac.uk /fac/sci/physics/research/cfsa/people/erwin/amateur/vndnews/newsletter_2003_01.txt   (9206 words)

  
 SONDASESPACIALES.COM - Bailando con Neptuno   (Site not responding. Last check: 2007-09-10)
Este objeto desconocido, al que los astrónomos denominaron 2001 QR322, es el primero que se encuentra asociado con Neptuno.
El astrónomo Eugene Chiang afirmó que la órbita del 2001 QR3200 es marcadamente estable y que proyecciones de su trayectoria revelan que puede coorbitar con Neptuno durante miles de millones de años.
El objeto 2001 QR322, explica Chiang, es un objeto prístino dinámico, cuya órbita excéntrica e inclinada no fue alterada por procesos que afectaron la mayoría de los cuerpos del sistema solar.
www.sondasespaciales.com /modules.php?name=News&file=article&sid=155   (366 words)

  
 PLANETKY.cz   (Site not responding. Last check: 2007-09-10)
Těleso s označením 2001 QR322 obíhá kolem Slunce v přibližně stejné vzdálenosti jako planeta Neptun a podobně jako Jupiterovi Trojani ve vzdálenosti přibližně 60 stupňů od planety (Za Trojany považujeme planetky obíhající ve stejné vzdálenosti od Slunce jako "mateřská" planeta, jen s úhlovým posunem 60 stupňů před či za planetou, tj.
Těleso 2001 QR322 bylo objeveno v rámci Deep Ecliptic Survey.
Poloha 2001 QR322 ve sluneční soustavě včetně její variace kolem libračního bodu.
www.planetky.cz /print.php3?sid=70   (265 words)

  
 2001 QR322 - Facts, Information, and Encyclopedia Reference article
2001 QR also written 2001 QR322) is an asteroid discovered in 2001 that is one of the two currently known Trojan asteroid of Neptune (the other is 2004 UP It orbits ahead of Neptune at its L
For other objects and regions, see: Binary asteroids, Asteroid moons and the Solar system
For a complete listing, see: List of asteroids.
www.startsurfing.com /encyclopedia/2/0/0/2001_QR322_d1f4.html   (79 words)

  
 Neptune
The planet's brightness in near-infrared wavelengths is much more sensitive to high altitude clouds than to visible light, and so the recent trend of increasing cloud activity was also seen in near-infrared light as well in Keck Telescope observations made from July 2000 to June 2001, by a team of astronomers including Heidi B.
Catalogued as 2001 QR322, the object was the first "Trojans" asteroid to be found in association with Neptune.
Three more Neptunian Trojans were discovered by June 15, 2006 (more information from the press release and orbital characteristics from the IAU).
www.solstation.com /stars/neptune.htm   (1249 words)

  
 [10.0] The Exploration Of The Asteroids   (Site not responding. Last check: 2007-09-10)
By the late summer of 2000, NEAR's observations had made it clear that Eros was not a "flying rubble pile", instead consisting of a single piece of undifferentiated rock that seemed to date back to the origins of the solar system.
NEAR continued to orbit Eros until 12 February 2001, when mission controllers managed to ease the spacecraft down to a "soft landing" on the asteroid.
Although the mission was supposed to end after this stunt, very much against predictions the probe was still working, and the mission was extended for ten days to permit close-up measurements with the probe's X-ray and gamma-ray spectrometer instruments.
www.vectorsite.net /taxpl_10.html   (6744 words)

  
 Neptune Trojan
A Trojan asteroid that shares the same orbit as the planet Neptune.
Four Neptune Trojans are known at the time of writing (June 2006): 2001 QR322, 2004 UP10, 2005 TN53, and 2005 TO74.
They lie in an elongated, curved region around the L4 Lagrangian point, 60° or about 5 billion km ahead of Neptune.
www.daviddarling.info /encyclopedia/N/Neptune_Trojan.html   (351 words)

  
 MetaMojo.com   (Site not responding. Last check: 2007-09-10)
2001: A Space Odyssey explores technological advancement, its promise...
When 2001: A Space Odyssey was written, mankind had not yet set foot on the moon.
2001 : A Space Odyssey Original film poster...
www.metamojo.com /results.php?query=2001%3A%20A%20Space%20Odyssey&cat=25   (73 words)

  
 Universe Today - January 10, 2003
Astronomers have discovered a new object which shares a very similar orbit with Neptune.
Part of a classification of objects called Trojans, 2001 QR322 is 230 km across and requires 166 years to orbit the Sun.
Although clusters of Trojans have been found following Jupiter's orbit, none have ever been found to share an orbit with any other giant planet; although, they've been predicted for years.
www.universetoday.com /html/archive/2003-0110.html   (571 words)

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