- 27 Euterpe
Infobox Planet | discovery=yes | physical_characteristics = yes | bgcolour=#FFFFC0
name=27 Euterpe
discoverer=J. R. Hind
discovered=November 8 ,1853
alt_names=1945 KB
mp_category=Main belt
epoch=June 14 ,2006 (JD 2453900.5)
semimajor=351.259 Gm (2.348 AU)
perihelion=290.966 Gm (1.945 AU)
aphelion=411.552 Gm (2.751 AU)
eccentricity=0.172
period=1314.171 d (3.60 a)
inclination=1.584°
asc_node=94.807°
arg_peri=356.754°
mean_anomaly=126.457°
avg_speed=19.29 km/s
dimensions=124×75 km MPCit_JPL|27
mass=9.3e|17? kg
density=2.0? g/cm³
surface_grav=0.0268? m/s²
escape_velocity=0.0508? km/s
rotation=0.4338 d (10.41 h) [http://www.psi.edu/pds/asteroid/EAR_A_5_DDR_DERIVED_LIGHTCURVE_V8_0/data/lc.tab]
spectral_type=S
magnitude = 8.30 to 12.55
abs_magnitude=7.0
albedo=0.162 (geometric) [http://www.psi.edu/pds/asteroid/EAR_A_5_DDR_ALBEDOS_V1_1/data/albedos.tab]
angular_size = 0.13" to 0.035"
single_temperature=~178 K27 Euterpe (pronEng|juːˈtɚpi, _gr. "Ευτέρπη)" is a large
Main belt asteroid .It was discovered by J. R. Hind on
November 8 ,1853 and named afterEuterpe , theMuse ofmusic inGreek mythology .Euterpe is one of the brightest asteroids in the night sky.cite web
title=Bright Minor Planets 2004
publisher=Minor Planet Center
url=http://www.cfa.harvard.edu/iau/Ephemerides/Bright/2004/
accessdate=2008-05-20] OnDecember 25 2015 , during a perihelic opposition, it will shine with anapparent magnitude of 8.3. cite web
last = Yeomans |first = Donald K
url=http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=27
title=Horizons Online Ephemeris System
publisher=California Institute of Technology, Jet Propulsion Laboratory
accessdate=2008-05-20]References
External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=27;orb=1 Orbital simulation] from JPL (Java) / [http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=27 Ephemeris]
Wikimedia Foundation. 2010.