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Topic: 2062 Aten


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  Aten Asteroids | CAS CMS
Aten asteroids are Near Earth Asteroids (NEAs) with aphelion distances greater than 0.983 AU, and semi-major axis less than 1 AU.
Named for their prototype, 2062 Aten, there are currently about 300 known, some of which are also classified as Potentially Hazardous Asteroids.
The expected lifetimes of Aten asteroids are relatively short due to their potential to collide with the inner planets.
cosmos.swin.edu.au /entries/atenasteroids/atenasteroids.html?e=1   (161 words)

  
 Aten
Aten is a sun god in ancient Egyptian mythology; his worship was instituted as the basis for the mostly monotheistic religion of Amenhotep IV (later named Akhenaton).
Amenhotep did revere and believe in the existence of other deities, so the religion was not totally monotheistic, but Aten was venerated above and beyond other deities.
The Atens are a group of near-Earth asteroids, named after the first of the group to be discovered (2062 Aten[?], discovered January 7, 1976 by E. Helin).
www.ebroadcast.com.au /lookup/encyclopedia/at/Aten.html   (107 words)

  
 Reference.com/Encyclopedia/Aten
Aten (or Aton) was the disk of the sun in ancient Egyptian mythology, and originally an aspect of Ra.
The term Aten was used to designate a disc, and since the sun was a disc, gradually became associated with solar deities.
During the Amarna Period, the Aten was given a Royal Titulary (as he was considered to be king of all), with his names drawn in a cartouche.
www.reference.com /browse/wiki/Aten   (612 words)

  
 Aten group
One of the three groups of near-Earth asteroids; Atens have semimajor axes less than 1.0 AU and aphelia greater than 0.983 AU, so that they orbit mostly inside Earth’s orbit.
The prototype for the group, (2062) Aten, was discovered in 1976 by the American astronomer Eleanor Helin, has a diameter of less than 1 km, and is of class S.
Apoheles, whose orbits lie entirely within that of the Earth, form a subgroup of the Atens.
www.daviddarling.info /encyclopedia/A/Aten_group.html   (118 words)

  
 Virgo 1985: Asteroids And Egypt
ATEN or ATON was an ancient Egyptian deity representing the sun-disk.
On the day of his assassination, Aten at 27 Leo 21 was square to the Venus-Uranus midpoint at 27 Scorpio, and was conjunct Sadat’s natal Saturn at 28 Leo 3 retrograde.
Mars at 21 Leo 18 in the assassination chart was conjunct Sadat’s natal ATEN at 21 Leo 23 stationary direct, and Egypt’s natal Pluto.
www.ccrsdodona.org /m_dilemma/1985/vir/rita.html   (1855 words)

  
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 MSN Encarta - Romania
encarta.msn.com /encyclopedia_761559516/Romania.html   (1012 words)

  
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 [No title]
The NEA population appears to be representative of most or all asteroid types found in the main belt.
Atens: Asteroids which cross Earth's orbit with a period less than 1 year.
NEAs are a dynamically young population whose orbits evolve on 100-million-year time scales because of collisions and gravitational interactions with the Sun and the terrestrial planets.
nssdc.gsfc.nasa.gov /planetary/text/asteroids.txt   (906 words)

  
 The NEO Follow-Up Program
Only for 2062 Aten, for which the taxonomic class is known, we assumed a phase coefficient G=0.22, which is typical for an S-type asteroid.
The diameter of the asteroid has been estimated by using an albedo p=0.20 for 2062 and p=0.12 for all the others (chosen as an unweighted mean of typical C and S-type albedos).
We observed Aten during five nights in Nov. 1993 when the asteroid was some 0.3 AU away and about 16.5 mag.
solarsystem.dlr.de /SGF/earn/abstract/aaa.htm   (3552 words)

  
 BBC/OU Open2.net - The Planets & Beyond - Registering and tracking
2062 Aten, discovered in 1976, has a semi-major axis (the major axis is the longest distance across its elliptical orbit — the semi-major axis is simply half this length) less than the Earth’s.
An accurate measurement of its changing position over time then enables a precise set of orbital parameters to be established, and this ensures that the asteroid is not ‘lost’.
Fast moving Apollo, Amor and Aten asteroids can often only be seen for a few weeks, while they are close to Earth.
www.open2.net /sciencetechnologynature/planetsbeyond/asteroids/tracking.html   (1104 words)

  
 Near-Earth Asteroids
Apollo asteroids have semimajor axes (a) that are greater than or equal to 1 AU and perihelion distances that are less than or equal to 1.0 AU; thus, they cross the Earth's orbit when near the perihelia of their orbits.
By mid-1991 the number of known Aten, Apollo, and Amor asteroids were 11, 91, and 81, respectively.
Most of these were discovered since 1970, when dedicated searches for this type of asteroid were begun: 25 were discovered during the 1970s, 80 during the 1980s, and 49 during the first 20 months of the 1990s.
abyss.uoregon.edu /~js/glossary/near_earth_asteroids.html   (336 words)

  
 Near-Earth Object Groups
The vast majority of NEOs are asteroids, referred to as Near-Earth Asteroids (NEAs).
NEAs are divided into groups (Aten, Apollo, Amor) according to their perihelion distance (q), aphelion distance (Q) and their semi-major axes (a).
Earth-crossing NEAs with semi-major axes smaller than Earth's (named after asteroid 2062 Aten).
neo.jpl.nasa.gov /neo/groups.html   (281 words)

  
 ESA - NEO - Past studies: Earthguard I
The goal of the study is to define a space mission and a dedicated payload concentrating on the detection of those NEOs whose orbits lie mostly or entirely within the orbit of the Earth.
The former group of objects is known as Atens (named after asteroid 2062 Aten which was the first of this class to be discovered) while the latter are referred to as Inner-Earth-Objects, or, in short IEOs.
From this vantage point, not only would Atens and IEOs be more easily detected against a dark sky background, but they would also appear brighter due to the smaller solar phase angles in the same way that the full Moon appears much brighter than the crescent Moon.
www.esa.int /SPECIALS/NEO/SEM2GT59CLE_2.html   (616 words)

  
 What Is a Near-Earth Object? - Explore the Cosmos | The Planetary Society
If and when such extinct comets are found, their star-like appearance leads us to classify them as asteroids, even though they have a cometary origin.
Scientists categorize asteroids in near-Earth space as Atens, Apollos, or Amors.
Names for each group come from their best-known members -- 2062 Aten, 1862 Apollo and 1221 Amor.
www.planetary.org /explore/topics/near_earth_objects/facts.html   (897 words)

  
 ADG - Research
The table below shows the different encounters with earth.The Earth encounter with the asteroid 34955, which happens 5000 years ago, could be observerd by the ancient cultures, because the object was bright enough to be seen.
The second table shows, that their is a bigger probability for the ATENS to hit the venus, than the earth.
Therfore, the orbital elements of 24 Atens and 54 Apollos, were calculated numerically.
www.univie.ac.at /adg/Research/asteroids.html   (875 words)

  
 NASA's Cosmos
The paths of three representative near-Earth asteroids, 1221 Amor, 1862 Apollo and 2062 Aten, all come closer to the Sun than most asteroids, located in the main belt beyond the orbit of Mars.
Amor crosses the orbit of Mars, and almost reaches the Earth’s orbit.
Aten is always fairly close to the Earth’s orbit.
ase.tufts.edu /cosmos/view_picture.asp?id=742   (73 words)

  
 Asteroid Facts - Explore the Cosmos | The Planetary Society
The Planetary Society supports many programs and projects to identify and track NEOs and mitigate the risk they pose to Earth.
NEAs are grouped into three main categories, named for each category’s most famous member: 1221 Amor, 1862 Apollo, and 2062 Aten.
Atens cross Earth's orbit with an orbital period less than 1 year.
www.planetary.org /explore/topics/asteroids_and_comets/facts.html   (1207 words)

  
 Minor planet information - Search.com
Aten asteroids having a semi-major axis less than 1 AU, named after 2062 Aten.
Due to the vagueness of this definition some asteroids belonging to the Apohele, Amor, Apollo or Aten groups can also be classified as Arjunas.
The term was introduced by Spacewatch and does not refer to an existing asteroid; examples of Arjunas include 1991 VG.
www.search.com /reference/Minor_planet   (2362 words)

  
 Citebase - Aten-Alinda orbital evolution: the example of possible interacting orbits
Authors: Rosaev, A. Minor planets 887 Alinda and 2062 Aten are typical near Earth asteroids (NEA).
887 and 2062 are crossed near pericenter and apocenter accordingly.
So possible interval of the interaction of these objects is repeated through the significant time interval and has relatively small duration.
www.citebase.org /abstract?id=64836976   (288 words)

  
 Tiverton A.S. | The Solar System
Apollo group: bodies orbiting mostly outside that of the Earth.
Aten group: bodies orbiting mostly within that of the Earth.
Most Apollo group objects seem to have a characteristically chondritic composition, and are also relatively small objects of only a few kilometers across, similar to Aten group objects.
www.tivas.org.uk /solsys/tas_solsys_asteroid.html   (508 words)

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