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Encyclopedia > 190 Ismene
190 Ismene
Orbital characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html)
Orbit type Main belt (Hilda)
Semimajor axis 3.984 AU
Perihelion distance 3.319 AU
Aphelion distance 4.648 AU
Orbital period 7.95 years
Inclination 6.17°
Eccentricity 0.167
Physical characteristics
Diameter 2 (http://spiff.rit.edu/richmond/parallax/phot/LCSUMPUB.TXT) 164.4 km
Rotation period 6.52 hours 3 (http://www.psi.edu/pds/archive/lc.html)
Spectral class 2 (http://spiff.rit.edu/richmond/parallax/phot/LCSUMPUB.TXT) P
Abs. magnitude 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) 7.59
Albedo 2 (http://spiff.rit.edu/richmond/parallax/phot/LCSUMPUB.TXT) 0.058
History 4 (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html)
Discoverer C. H. F. Peters, 1878

190 Ismene is a very large main belt asteroid. As an P-type asteroid, it has a very dark surface and may contain water.


Ismene orbits near the outer edge of the asteroid belt. It is one of the Hilda asteroids, which are locked in 3:2 resonance with the planet Jupiter.


It was discovered by C. H. F. Peters on September 22, 1878 and named after Ismene, the sister of Antigone in Greek mythology.

 This astronomy article is a stub. You can help Wikipedia by expanding it (http://en.wikipedia.org/w/index.php?title=190_Ismene&action=edit).



  Results from FactBites:
 
190 Ismene -- Facts, Info, and Encyclopedia article (481 words)
190 Ismene is a very large (additional info and facts about main belt) main belt (Any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter)) asteroid.
Ismene (The (usually elliptical) path described by one celestial body in its revolution about another) orbits near the outer edge of the asteroid belt.
Peters on September 22, 1878 and named after (additional info and facts about Ismene) Ismene, the sister of ((Greek mythology) the daughter of King Oedipus who disobeyed her father and was condemned to death) Antigone in (The mythology of the ancient Greeks) Greek mythology.
Ismene - Wikipedia, the free encyclopedia (230 words)
In Greek mythology, Ismene was a daughter of Oedipus and Jocasta.
Creon decreed that she was to be buried alive, this in spite of her betrothal to his son Haemon.
Antigone's sister, Ismene, then declared she had aided Antigone and wanted the same fate.
  More results at FactBites »


 
 

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