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	2003 CP20 - Wikipedia, the free encyclopedia
		The correct title of this article is 2003 CP It features superscript or subscript characters that are substituted or omitted because of technical limitations.
		Discovered February 11, 2003, by the Lincoln Near-Earth Asteroid Research project's station at Socorro, New Mexico, 2003 CP (also written 2003 CP20), was the first asteroid known to have an orbit entirely within that of Earth.
		2003 CP is a Venus-crosser asteroid, but does not get as close to the Sun as Mercury.
	en.wikipedia.org /wiki/2003_CP20 (210 words)

	Asteroid - Search View - MSN Encarta
		In 2003 an asteroid designated 2003 CP20, which has a diameter of no more than a few kilometres, was discovered to be orbiting the Sun entirely within the Earth’s orbit (astronomers believe that there may be many others lying in such an orbit).
		However, 2003 CP20 is unlikely to threaten the Earth, but as a result of long-term planetary perturbations, the Atens and Apollos and about 50 per cent of the Amors are on orbits such that they could collide with the Earth, representing a possibly significant extraterrestrial hazard to life.
		Apart from an Aten object designated 1995 CR, and 2003 CP20, the near-Earth asteroid whose orbit comes closest to the Sun is the Apollo asteroid Phaethon, about 5 km (3 mi) wide, whose perihelion distance is about 20.9 million km (13.9 million mi).
	uk.encarta.msn.com /text_761551567__1/Asteroid.html (1101 words)

	New announcements of observing campaigns by the Spaceguard Central Node (Site not responding. Last check: 2007-10-31)
		According to MPEC 2003-C63 2003 CP20, a NEA of about 2 km in size (H = 16.3) recently discovered by LINEAR, shows a nominal orbit completely inside that of the Earth: it would be the first known object of this kind.
		2003 CP20, currently a very easy target to observe for northern astronomers at V = 17.0-17.5 in the morning sky is going to be observable for a few months due to the geometry of the apparition and its future brightness.
		2003 CN17, currently between 19.0 and 19.5 V is going to fade rather slowly during the next few weeks but its solar elongation will decrease consistently while being located in the southern polar region of the sky.
	spaceguard.rm.iasf.cnr.it /SSystem/NEOCS/2003CN18.html (1027 words)

	Asteroid - ninemsn Encarta
		The so-called Trojan asteroids usually lie in two clouds, one moving 60° ahead of Jupiter in its orbit, and the other 60° behind, although in 2003 one was discovered on a similar orbit to Neptune.
		In 1977 the asteroid Chiron, named after a centaur of Greek mythology, was discovered in an orbit between that of Saturn and Uranus, and since then another five objects moving in such orbits have been found.
		One of the largest near-Earth asteroids is Eros, an elongated body measuring 14 by 37 km (9 by 23 mi).
	au.encarta.msn.com /encyclopedia_761551567/Asteroid.html (1033 words)

	Image of minor planet 2003 CP20 - 2003 Feb. 14 (Site not responding. Last check: 2007-10-31)
		The image of a Near-Earth asteroid 2003 CP20 was taken on 2003 February 14.0 UT with 0.57-m f/5.2 reflector + CCD camera SBIG ST-8 of the Klet' Observatory and is 30 seconds exposure.
		Minor planet 2003 CP20 is the first asteroid with a confirmed aphelion distance of less than less than the earth's perihelion distance of 0.983 AU.
		The object was discovered near its maximum possible elongation from the sun of 76 deg.
	www.klet.org /2003cp20.html (123 words)

	Feb. '03 ACC News
		2003 BD44's potential hazard assessments were updated 5 Feb. on both the NEODyS and JPL risk monitoring sites following new observations reported on the 5th from Great Shefford and Mallorca observatories on the 4th and 5th.
		The stars are long trails, and 2003 CP20 is the round speck of light at the center.
		Fortunately, CP20 is currently "a very easy target to observe for northern astronomers," and will be so "for a few months." The campaign was retired ten days later, with the orbit still calculated to be inside that of Earth.
	www.hohmanntransfer.com /news/0302.htm (2602 words)

	Steve Quayle News Alerts (Site not responding. Last check: 2007-10-31)
		Asteroid 2003 CP20 was discovered on February 11 with the 1-meter LINEAR telescope in New Mexico.
		According to the Minor Planet Electronic Circular issued last Thursday to announce the asteroid's discovery, 2003 CP20 is 0.978 AU from the sun at aphelion.
		And thanks to its orbit, which is inclined 25 degrees from the ecliptic, 2003 CP20 doesn't come within 0.19 AU (more than 18 million miles or 28 million kilometers) from our planet.
	www.stevequayle.com /News.alert/03_Cosmic/030219.Sun-huggin.asteroid.html (291 words)

	Minor planet - Wikipedia, the free encyclopedia
		As of May 2004 there are only two known Apoheles: 2003 CP and 2004 JG Mercury-crosser asteroids having a perihelion smaller than Mercury's 0.3075 AU.
		(136108) 2003 EL (with two satellites) and (136472) 2005 FY are among the brightest.
		Additional groups exist for other orbital resonances with Neptune than the 2:3 resonance of the Plutinos and the 1:1 resonance of the Neptune Trojans (such as 2001 QR), but they have not yet been officially named.
	en.wikipedia.org /wiki/Minor_planet (2522 words)

	Pravda.RU:Asteroid hints at the smallest orbit (Site not responding. Last check: 2007-10-31)
		Such asteroids are very difficult to detect because their position in relation to the Sun and the Earth means they rarely appear in the night sky.
		The first asteroid found entirely inside Earth's orbit was 2003 CP20, found just over a year ago by the NASA-funded Lincoln Laboratory Near-Earth Asteroid Research project, which observes near Socorro, New Mexico.
		Although larger than 2004 JG6, 2003 CP20 is a little more distant from the Sun.
	newsfromrussia.com /science/2004/05/22/54075_.html (402 words)

	Astronomes Amateurs du Luxembourg :: View topic - 2003CP20 First asteroid entirely within earths orbit!!!
		2003 02 10 17 37.21 +32 09.3 0.376 0.949 73.2 84.6 17.0
		2003 02 15 17 51.40 +34 46.1 0.391 0.959 74.3 82.6 17.1
		2003 02 20 18 05.82 +37 02.6 0.405 0.967 75.1 81.1 17.1
	www.aal.lu /forums/viewtopic.php?p=426&sid=3ecfccd242b5474989778ebcb866cdbc (647 words)

	BBC NEWS \| Science/Nature \| Sun's close companion found
		The object, designated 2003 CP20 was detected on 10 February by the Linear automated sky survey telescope.
		According to Dr Marsden, 2003 CP20 is the first confirmed asteroid in such an orbit.
		Researchers think that the object was once a main belt asteroid circling the Sun between the orbits of Mars and Jupiter.
	news.bbc.co.uk /2/hi/science/nature/2761513.stm (290 words)

	RASNZ Occultation Section - Minor Planet News (November 2002 to December 2003)
		At this point, the identification with Hermes was clear from the similarity of the orbits from the 1937 and 2003 sightings, but it was not a simple matter to compute an orbit that linked all the observations together.
		On February 1, 2003, the Columbia and its crew were lost over the western United States during the spacecraft's re-entry into Earth's atmosphere.
		In particular, the 2003 Jan. 5.25 event was indicative of a complete occultation of the secondary component of such a binary system.
	occsec.wellington.net.nz /planet/news/news0211.htm (5453 words)

	Ondrejov NEO Photometric Program - News
		Dec 08 -- During the lunation from Nov 09 to Dec 08 we have made new photometric observations of these NEAs: (3122) Florence, (3200) Phaethon, (65803) 1996 GT (binary asteroid) and 2003 RB.
		Mar 18 -- During the lunation from Feb 17 to Mar 18 we have made new photometric observations of these NEAs: (35107) 1991 VH (binary, attenuations detected), (52340) 1992 SY, (54789) 2001 MZ7 (period derived), 2002 RH52, 2003 CP20 (period derived) and 2003 DH6.
		Feb 16 -- During the lunation from Jan 18 to Feb 17 we have made new photometric observations of these NEAs: (3199) Nefertiti, (35107) 1991 VH (binary, attenuations detected), (52340) 1992 SY, (54789) 2001 MZ7 (period derived) and 2003 CP20.
	www.asu.cas.cz /~asteroid/news/sum_2003.htm (605 words)

	What's new (Site not responding. Last check: 2007-10-31)
		- 2003 November 9: 710 minor planets discovered at Klet' were numbered up to now
		- 2003 October 27: Discovery of Aten-type asteroid 2003 UT55
		- 2003 January 4: Statistics of astrometric observations of NEOs in 2002
	www.klet.org /news2003.html (213 words)

	MPEC 2003-C63 : 2003 CP20
		Orbital elements: 2003 CP20 Epoch 2003 Feb. 10.0 TT = JDT 2452680.5 MPC M 141.83891 (2000.0) P Q n 1.49518695 Peri.
		Ephemeris: 2003 CP20 a,e,i = 0.76, 0.29, 25 Q = 0.9779 Date TT R. (2000) Decl.
		According to the above orbital elements, the object was discovered near its maximum possible elongation from the sun of 76 deg.
	cfa-www.harvard.edu /iau/mpec/K03/K03C63.html (189 words)

	Epochtimes English Edition-
		The discovery was made by the Lincoln Near Earth Asteroid Research (LINEAR) project at MIT.
		Like most asteroids and even planets, 2003 CP20 does not carve a perfectly circular orbit.
		Officials at the center said the asteroid's greatest distance from the Sun, though, is less than the Earth's closest distance.
	www.theepochtimes.com /news/3-8-7/2288.html (261 words)

	apohele
		Apoheles form a subgroup of the Aten group.
		Now, however, there are two known apoheles: 2003 CP20 and 2004 JG6.
		In addition, the 40-m-wide object 1998 DK36, discovered by Tholen and Robert Whiteley in February 1998, may have been an apohele but it was observed on only two consecutive days and subsequently lost due to failure of the observing instrument.
	www.daviddarling.info /encyclopedia/A/apohele.html (207 words)

	Asteroid Found In Earth’S Solar Orbit (Site not responding. Last check: 2007-10-31)
		Saturday, February 15, 2003 - 10:49 am ET send comments/feedback
		Asteroid 2003 CP20 carves a highly inclined path around the Sun that is entirely within Earth's orbit.
		This map shows locations of the asteroid and the inner planets on Feb. 14, 2003.
	www.webprowire.com /summaries/398839.html (227 words)

	comet and asteroid finder-maps
		It was discovered by astronomers using California's Mount Palomar Observatory on November 14, 2003.
		Sedna, or 2003 VB16, as it was originally designated, will have follow-up studies to measure its thermal radiation to determine how hot it is, and therefore provide a better estimate of its size.
		was bright (mag 4) on December (Perihelion Dec 29 2003).
	www.geocities.com /douglasrana/comet.htm (1919 words)

	ODD ASTEROID (Site not responding. Last check: 2007-10-31)
		The orbit of 2003 GQ22 is nestled almost entirely inside Earth's own.
		"2003 GQ22 is nearly a member of the elusive inner-Earth object group, for which there is thought to be several members, but only one discovered to date (2003 CP20)," says Donald Yeomans, the manager of JPL's Near Earth Object Program.
		But over the course of time, perhaps hundreds of millions of years or longer, they are nudged inward by gravitational tugs from Jupiter, Mars and Earth itself.
	www.freerepublic.com /focus/f-news/893881/posts (1216 words)

	[10.0] The Exploration Of The Asteroids (Site not responding. Last check: 2007-10-31)
		The two are designated "2003 CP20" and "2004 JG6", and as the designations show they were only discovered recently.
		It made a close approach on 8 January 2003, though it was still much farther away than the Moon.
		CFHT images were also obtained of the 216 Kleopatra and had an excellent correspondence to the radar images taken of the asteroid.
	www.vectorsite.net /taxpl_10.html (6744 words)

	Asteroid creeps up on the inside - 22 February 2003 - New Scientist
		Asteroid 2003 CP20 strays no further than 146.3 million kilometres from the Sun, while the closest Earth ever gets is 147.1 million kilometres.
		The new object, called 2003 CP20, is a few kilometres across.
		But it poses no threat to Earth - its orbit is tilted 29 degrees from ours, so it will never come any closer than 28 million kilometres.
	www.newscientist.com /article/mg17723830.600 (278 words)

	[No title]
		But it left me in awe, with a sense that after centuries of wretchedness, I was born into the first generation to get it right, the fruit of emergent behavior in the freest society on Earth.
		The Space.com article, however, notes that 2003 CP20 "will pass within 4.65 million miles (7.48 million km) of Venus more than once." This is less than one-fifth Venus' minimum distance to Earth; from the asteroid, Venus would appear 1/6 the size of a full Moon and shine at magnitude -8 or brighter.
		The bright yellow line going off to the right in the diagram points to the vernal equinox, that is, where the Sun appears to be as seen from Earth on about March 21; so where it intersects with Earth's orbit is where Earth is on September 21.
	avoyagetoarcturus.blogspot.com /2003_02_01_avoyagetoarcturus_archive.html (12309 words)

	Keyword (Site not responding. Last check: 2007-10-31)
		The asteroid, 2003 YN17, "is probably a chunk of debris" from an impact between a larger space rock and the surface of the moon, the British weekly says.
		2003 YN17's orbital plane is roughly the same as the earth's, but its unusual path, compounded by a corkscrew-like track, means that sometimes it is ahead of us and sometimes it is...
		Asteroid 2002 AA29 is like a mouse teasing a cat, approaching Earth first on one side and then on another, without ever making contact or actually passing our planet as the two bodies circle the sun, the astronomers said on Thursday.
	www.freerepublic.com /focus/keyword?k=cruithne (1312 words)

	Basics of Space Flight Section I. The Environment of Space
		One asteroid has been discovered to date, that orbits the sun entirely within the Earth's orbit.
		Asteroid 2003 CP20 follows a highly inclined orbit in the area between Mercury and Earth.
		Its aphelion distance (furthest distance from the sun), is 0.978 AU, less than the Earth's closest distance.
	www2.jpl.nasa.gov /basics/bsf1-3.html (1622 words)

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