14 Irene

asteroid

14 Irene is a lairge main-belt asteroid, discovered bi John Russell Hind on Mey 19, 1851.

14 Irene Astronomical seembol o 14 Irene
14Irene (Lightcurve Inversion).png
A three dimensional model o 14 Irene frae licht curve inversion
Discovery
Discovered biJohn Russell Hind
Discovery dateMay 19, 1851
Designations
Pronunciation/ˈrn/ eye-REE-nee
Named after
Irēnē
A906 QC;
A913 EA;
1952 TM
Main belt
Orbital chairactereestics[1]
Epoch July 14, 2004 (JD 2453200.5)
Aphelion451.858 Gm (3.020 AU)
Perihelion321.602 Gm (2.150 AU)
386.730 Gm (2.585 AU)
Eccentricity0.168
1518.176 d (4.16 a)
18.52 km/s
326.489°
Inclination9.106°
86.493°
96.473°
Pheesical chairacteristics
Dimensions167x153x139km[2]
152km (Dunham)[1]
Mass8.2×1018 kg[2]
Mean density
4.42±1.59 g/cm³[2]
0.051 m/s²
0.096 km/s
0.6275 d (15.06 h)[1][3]
Albedo0.159[1]
Temperatur~170 K
Spectral teep
S-type asteroid[1]
8.85[4] to 12.30
6.30[1]
0.17" tae 0.052"

ReferencesEedit

  1. a b c d e f "JPL Small-Body Database Browser: 14 Irene". 2008-04-14 last obs. Retrieved 2008-11-27. Check date values in: |date= (help)
  2. a b c Jim Baer (2008). "Recent Asteroid Mass Determinations". Personal Website. Retrieved 27 November 2008.
  3. "Asteroid Lightcurve Parameters". Planetary Science Institute. Archived frae the original on 14 Juin 2006. Retrieved 3 November 2008.
  4. "AstDys (14) Irene Ephemerides". Department of Mathematics, University of Pisa, Italy. Retrieved 26 Juin 2010.