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Topic: 2002 AA29


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  Earth Coorbital Asteroid 2002 AA29
Asteroid 2002 AA29 was discovered by the LINEAR asteroid search program in January 2001.
2002 AA29 is the fuzzy dot that can be seen drifting along against the background stars (the line it moves along was added in post-processing).
The discovery report of 2002 AA29, courtesy of the Minor Planet Center.
www.astro.uwo.ca /~wiegert/AA29/AA29.html   (1988 words)

  
 October 2002 - Open Encyclopedia   (Site not responding. Last check: 2007-10-24)
Astronomy: Asteroid 2002 AA29 appears to be an astronomical object sharing the orbit of the Earth in an unusual "horseshoe" orbit.
October 18, 2002 Manila bus bombing: A bomb exploded in suburban Manila, destroying a bus and killing at least three people, while 23 others were wounded.
2002 Bali terrorist bombing: A car-bomb on theIndonesian island of Bali explodes outside a nightclub killing at least 182 people, 75% of whom are said to have been foreign holidaymakers.
open-encyclopedia.com /October_2002   (2582 words)

  
 Country Music Forum - answer to religion? hehe
Researchers are speculating that 2002 AA29 could be visited by astronauts or used to understand the threat to our planet posed by such rocks from space.
2002 AA29 was discovered by the linear automated sky survey project on 9 January 2002.
It is clear that 2002 AA29 was discovered by accident at a time when it was at one end of its horseshoe orbit and, being at its closest to the Earth, was bright enough to be detected in an automated sky survey.
www.truecountry.com /forums/printthread.php?t=670   (593 words)

  
 2002 AA29 - Wikipedia, the free encyclopedia
Asteroid 2002 AA also written 2002 AA29) is a near-Earth asteroid discovered in January 2002 by the LINEAR asteroid survey.
Richard Gott and Edward Belbruno from Princeton University have speculated that 2002 AA might have formed together with Earth and Theia, the postulated planet that, according to the Giant Impact theory collided with Earth in its early history.
The orbit of the asteroid is such that it would be relatively easy for a spacecraft to retrieve rock samples from it and bring them to Earth for analysis.
en.wikipedia.org /wiki/2002_AA29   (222 words)

  
 Rendezvous with Earth Co-Orbital Object, Asteroid 2002 AA29
AA29 is in a ‘horseshoe’ orbit - meaning that it closely follows Earth’s orbit, then turns around when it gets near the Earth and follows Earth’s orbit in the reverse direction.
AA29 approaches the Earth on its leading side because of its slightly larger semi-major axis, which results in a smaller mean motion.
AA29 possess an exceptional opportunity for scientist to ascertain the composition of an asteroid in a relatively cost-efficient mission.
ccar.colorado.edu /asen5050/projects/projects_2004/mlarson   (1790 words)

  
 BBC NEWS | Science/Nature | Earth's little brother found
Asteroid 2002 AA29 is only about 100 metres wide and never comes closer than 5.8 million kilometres (3.6 million miles) to our planet.
General Simon Worden of the United States Space Command described it as a "near-Earth object that is close to being trapped by the Earth as a second natural satellite".
This puts 2002 AA29 is in the same class as 3753 Cruithne, a similar rocky body in a horseshoe orbit around the Earth.
news.bbc.co.uk /1/hi/sci/tech/2347663.stm   (645 words)

  
 A/CC Catalog: Asteroids Unnumbered, 2002   (Site not responding. Last check: 2007-10-24)
2002 FD6 is estimated to be 150 to 330 meters/yards in diameter.
2002 MX, discovered by LINEAR at almost the same time on 17 June 2002 as 2002 MN, was announced a day later, on the 19th, and appeared with MN on the JPL and NEODyS risk pages and Spaceguard observing campaigns page.
2002 VP94 was discovered by LINEAR on 5 Nov. 2002, and ten days later was announced in MPEC 2002-V70 with 175 observations from 16 observatories, and a note, "Whether this object is a comet or not is inconclusive." Its comet-like orbit comes close to, and lies between, the orbits of Mars and Jupiter.
www.hohmanntransfer.com /cat/au02.htm   (7461 words)

  
 [6.15] A search for asteroids on Earth horseshoe orbits   (Site not responding. Last check: 2007-10-24)
Two objects (2002 AA29 and 2000 PH5) displayed a recent abrupt reversal in the evolution of their ecliptic longitude with respect to that of Earth, indicating a classic horseshoe or tadpole behavior.
2002 AA29 was previously recognized as being on a horseshoe trajectory (Connors et al., 2002).
(2002) suggested that 2000 PH5 and 2001 GO2 are on horseshoe orbits, although their claim rests on a single 4.5-day observational arc for 2001 GO2.
www.aas.org /publications/baas/v35n4/dda2003/65.htm   (347 words)

  
 Preprint: Discovery of an Asteroid and Quasi-satellite in an Earth-like Horseshoe Orbit   (Site not responding. Last check: 2007-10-24)
The newly discovered asteroid 2002 AA29 moves in a very Earth-like orbit that relative to Earth has a unique horseshoe shape and allows transitions to a quasi-satellite state.
2002 AA29 is the first asteroid known to exhibit this behavior.
2002 AA29 introduces an important new class of objects offering potential targets for space missions and clues to asteroid orbit transfer evolution.
www.astro.uwo.ca /~wiegert/preprints/pp13.html   (170 words)

  
 2002 AA29 - Encyclopedia Glossary Meaning Explanation 2002 AA29   (Site not responding. Last check: 2007-10-24)
2002 AA29 - Encyclopedia Glossary Meaning Explanation 2002 AA29.
Here you will find more informations about 2002 AA29.
The orbit of the asteroid makes it relatively easy to retrieve rock samples and bring them to Earth for analysis.
www.encyclopedia-glossary.com /en/2002-AA29.html   (212 words)

  
 New Scientist SPACE - Breaking News - Asteroid follows Earth around orbit   (Site not responding. Last check: 2007-10-24)
The object, 2002 AA29, also becomes a temporary second moon to the Earth from time to time, with the next rendezvous expected in 2600.
"2002 AA29 introduces an important new class of objects offering potential targets for space missions and clues to asteroid orbit transfer evolution." writes Martin Connors, at Athabasca University in Canada, and his colleagues in an article published in the journal Meteoritics and Planetary Science.
The strange horseshoe-shaped orbit is the result of the complex interaction between the gravitational attraction of the Sun and the Earth.
www.newscientistspace.com /article/dn2953   (487 words)

  
 Astro QUIZ   (Site not responding. Last check: 2007-10-24)
The migrations and alienation are portended by Earth's trojan moon 2002 AA29 exactly North in the horoscope.
It is interesting that 2002 AA29 is in Lyra constellation, somehow "consacrated" to the Gatwick (London) airport.
2002 AA29 and 2002 MS4 might not be the best known objects even among experts, of which few remain; but everything ever written about any new object can be easily retrieved from USENET http://groups.google.com (C) Copyright Klaudio Zic, all rights reserved http://neodruid.tk An Icarus lunation (with Bienor) is unfavorable for space flights.
talkaboutprofessions.com /group/alt.astrology.asian/messages/13748.html   (3164 words)

  
 Gravity Simulator   (Site not responding. Last check: 2007-10-24)
Asteroid 2002 AA29 is an asteroid that is co-orbital with the Earth.
During a period that lasts a few decades, asteroid 2002 AA29 never strays far from the Earth as it circles the Earth/Moon system in a quasi-orbit.
Asteroid 2002 AA29 spends most of its time tracing a looping horseshoe orbit around the Sun.
www.orbitsimulator.com /gravity/articles/2002aa29.html   (288 words)

  
 2002 AA29 - Wikimedia Commons
2002 AA is a very small near earth asteroid.
Orbits of 2002 AA29 and Earth around the Sun viewed from the side
Orbits of 2002 AA29 and Earth around the Sun viewed vertical to the ecliptic.
commons.wikimedia.org /wiki/2002_AA29   (61 words)

  
 lp1
The asteroid, called 2002 AA29, is in a precise circular orbit that follows the same general path as the Earth around the sun.
It was discovered last year by an Air Force telescope that is part of a NASA programme to find and plot asteroids that orbit near the Earth.
Even if 2002 AA29 did hit the Earth, it would not cause planetwide destruction as did the 10km-wide asteroid that hit and killed the dinosaurs some 23 million years ago.
www.dispatch.co.za /2003/01/08/editoria/LP1.HTM   (485 words)

  
 The Cause Newsletter
General Simon Worden of the United States Space Command described 2002 AA29 as a “near Earth object that is close to being trapped by the Earth as a second natural satellite.”
The asteroid, which moves in a horseshoe-shaped orbit, was nearing the end of its orbit before turning around when it was spotted in the sky survey.
Detailed observations of its trajectory through space show 2002 AA29 will reach its closest approach to Earth –; 12 times the distance between Earth and the Moon – the evening of January 8, 2003.
www.pitsco.com /the_cause/prev_year/02cause12aero.htm   (347 words)

  
 2002 AA29   (Site not responding. Last check: 2007-10-24)
Because it was so faint and moving fast a set of 50 individual 30 second exposures were stacked together, so the stars appear as trails of dots and the asteroid as a single dot.
When the image above was taken 2002 AA was moving slightly faster than the Earth, in the eastern sky before dawn.
But at this point the effect of the Earth's gravity causes 2002 AA to travel slightly slower than the Earth and 95 years later the Earth catches 2002 AA up and the whole process then repeats.
www.birtwhi.demon.co.uk /Gallery2002AA29.htm   (216 words)

  
 abst37-10
Abstract—The newly discovered asteroid 2002 AA moves in a very Earth-like orbit that relative to Earth has a unique horseshoe shape and allows transitions to a quasi-satellite state.
2002 AA is the first asteroid known to exhibit this behavior.
2002 AA introduces an important new class of objects offering potential targets for space missions and clues to asteroid orbit transfer evolution.
www.uark.edu /~meteor/abst37-10.htm   (2273 words)

  
 CBC News:Asteroid catches up to Earth   (Site not responding. Last check: 2007-10-24)
Astronomers say the asteroid, named 2002 AA29, approaches the Earth on one side and then on the other.
But 2002 AA29 is odd in that it never passes the Earth from either side.
On The Current Paul Chodas of the Jet Propulsion Laboratory talks to Anna Maria Tremonti about asteroid AA29 which is in the same orbit as Earth.
cbc.ca /stories/2003/01/08/asteroid030108   (315 words)

  
 VnExpress - Tim thay nguoi anh em ti hon cua trai dat
Thiên thạch có tên 2002 AA29 này chỉ to bằng một sân bóng, và không bao giờ tới gần hành tinh của chúng ta quá 5,79 triệu km.
2002 AA29 được một hệ thống theo dõi bầu trời phát hiện ra vào ngày 9/1/2002.
Theo cách đánh giá này, 2002 AA29 chỉ được xếp cùng loại với thiên thể 3753 Cruithne - một tảng đá trời khác cũng đang bay quanh hành tinh chúng ta trên một quỹ đạo hình móng ngựa.
vnexpress.net /Vietnam/Khoa-hoc/2002/10/3B9C184E   (732 words)

  
 Astro News - Nehru Centre   (Site not responding. Last check: 2007-10-24)
The space rock, measuring about 60 meters (approximately 200 feet) across, is like a mouse teasing a cat, the asteroid approaches the Earth, first on one side and then on the other.
The first orbit was published by Brian G. Marsden of the Central Bureau for Astronomical Telegrams on 2002 November 7 (MPEC 2002-V31 and IAUC 8011).
This photograph was obtained by Michael Jäger on 2002 December 1.80.
www.nehrucentremumbai.com /archives/earth-asteroid.htm   (1576 words)

  
 SPACE.com -- Earths New Travelling Companion: Quasi-Satellite Discovered
"Among asteroids, the orbit of 2002 AA29 is the most strikingly Earth-like, since it is very nearly at the same distance from the Sun and also very circular," Conners and his colleagues write in the journal Meteoritics and Planetary Science.
But like most asteroids, AA29 travels at a strong inclination to the Earths orbit about 10 degrees in this case which means it moves above and below the plane that Earth moves in.
But 2002 AA29 represents what Conners and his colleagues say is a new class of object near Earth.
www.space.com /scienceastronomy/earth_asteroid_021021.html   (663 words)

  
 JPL.NASA.GOV: News Releases
Artist's concept of asteroid 2002 AA29, Earth and the Sun.
The team's report appeared in the October 2002 issue of the journal Meteoritics & Planetary Science.
The asteroid, named 2002 AA29, traces an unusual horseshoe pattern relative to Earth.
www.jpl.nasa.gov /news/news.cfm?release=2003-001   (505 words)

  
 [No title]   (Site not responding. Last check: 2007-10-24)
Soon after Asteroid 2002 AA was discovered on 2002 January 9 by the LINEAR asteroid survey, it became clear that it's orbit is very similar to that of the Earth.
Later last year, the object made some headlines when astronomers found out that the space rock, only about 100 meters in size, will temporary become a "quasi-satellite" of the Earth in about 600 years.
This image of 2002 AA, taken on Jaunary 12, 2003, by Peter Birtwhistle using a 0.3m Schmidt-Cassegrain telescope and a Apogee AP 47p CCD camera at his observatory in Great Shefford, Berkshire, England.
www.astrometrica.at /Images/200302.html   (241 words)

  
 2002 AA29 Recovery Campaign   (Site not responding. Last check: 2007-10-24)
It will make its closest approach to Earth on 2003 January 8th at a range of 15 Lunar distances.
Unfortunately, 2002 AA is at risk of being lost if it is not recovered this opposition.
Therefore, we are proposing a special campaign to solicit the participation of amateur astronomers to assist in the recovery effort.
www.camarilloobservatory.com /pr2.htm   (148 words)

  
 3753 Cruithne - Biocrawler definition:3753 Cruithne - Biocrawler   (Site not responding. Last check: 2007-10-24)
After 385 years or so, the kidney bean is now approaching Earth again from the other side, and the Earth, once more, alters the orbit of Cruithne so that its period of revolution around the Sun is again slightly less than a year.
Three other near-Earth asteroids (NEAs), (54509) 2000 PH and 2002 AA, which exist in resonant orbits similar to Cruithne's, have since been discovered.
Other examples of natural bodies known to be in horseshoe orbits at the time of writing include Janus and Epimetheus, natural satellites of Saturn.
www.biocrawler.com /biowiki/3753_Cruithne   (776 words)

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