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Encyclopedia > 14 Irene


14 Irene
Discovery
Discoverer John Russell Hind
Discovery Date May 19, 1851
Alternate Designations A906 QC;
A913 EA;
1952 TM
Category Main belt
Orbital Elements
Epoch July 14, 2004 (JD 2453200.5)
Eccentricity (e) 0.168
Semi-Major Axis (a) 386.730 Gm (2.585 AU)
Perihelion (q) 321.602 Gm (2.150 AU)
Aphelion (Q) 451.858 Gm (3.020 AU)
Orbital Period (P) 1518.176 d (4.16 a)
Mean Orbital Speed 18.52 km/s
Inclination (i) 9.106°
Longitude of the
Ascending Node (Ω)		 86.493°
Argument of Perihelion (ω) 96.473°
Mean Anomaly (M) 326.489°
Physical Characteristics
Dimensions 181.8 km [1] (http://spiff.rit.edu/richmond/parallax/phot/LCSUMPUB.TXT)
Mass 6.3×1018 kg
Density 2 ? g/cm³
Surface Gravity 0.051 m/s²
Escape Velocity 0.096 km/s
Rotation Period 0.6275 d [2] (http://www.psi.edu/pds/archive/lc.html)
Spectral Class S-type asteroid 1 (http://spiff.rit.edu/richmond/parallax/phot/LCSUMPUB.TXT)
Absolute Magnitude 6.30
Albedo 0.160 1 (http://spiff.rit.edu/richmond/parallax/phot/LCSUMPUB.TXT)
Mean Surface Temperature ~234 K

14 Irene ("eye REE nee") is a very large Main belt asteroid. This stony asteroid contains also metallic iron-nickel.


It was discovered by J. R. Hind on May 19, 1851 and named after Eirene, a personification of peace in Greek mythology, one of the Horae, daughter of Jupiter and Themis. The name was suggested by Sir John Herschel. Hind wrote,

You will readily discover that this name [...] has some relation to this event (the Great Industrial Exhibition) which is now filling our metropolis [London] with the talent of all civilised nations, with those of Peace, the productions of Art and Science, in which all mankind must feel an interest.

The Great Exhibition of the Works of Industry of All Nations in Crystal Palace of Hyde Park, London ran from May 1 until October 18, 1851.


The fairly flat lightcurve indicates a spherical object. There have been four reported stellar occultation events by Irene.

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The Minor Planets
Vulcanoids | Main belt | Groups and Families | Near-Earth objects | Jupiter Trojans
Centaurs | Trans-Neptunians | Damocloids | Comets | Kuiper Belt | Oort Cloud
(For other objects and regions, see: Binary asteroids, Asteroid moons and the Solar system)
(For a complete listing, see: List of asteroids)
This article is a stub. You can help Wikipedia by expanding it (http://en.wikipedia.org/w/index.php?title=14_Irene&action=edit).



  Results from FactBites:
 
Irene - Wikipedia, the free encyclopedia (174 words)
Tzitzak, the Khazar wife of Emperor Constantine V, was baptized as Irene.
Irene, South Africa is a small town in Gauteng.
Irene is the name on the list of tropical cyclone names for the ninth tropical cyclone in the Atlantic Ocean in 2005, having been used as the name for three tropical cyclones in the past; see Hurricane Irene.
Irene (1053 words)
Princess Irene of Hesse and by the Rhine (1866-1953)
Irene visited Anna Anderson and she admitted she had a great resemblance to her nice burt certainly she was not.
Irene's eledest son Waldemar, who had lived a very restricted life because of his haemophilia, had married in 1919 to Princess Calixta of Lippe; the couple had no issue.
  More results at FactBites »


 
 

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