- 74 Galatea
Infobox Planet | discovery=yes | physical_characteristics = yes | bgcolour=#FFFFC0
name=74 Galatea
discoverer=Ernst Wilhelm Tempel
discovered=August 29 ,1862
alt_names=
mp_category=Main belt
epoch=December 31 ,2006 (JD 2454100.5)
semimajor=415.657 Gm (2.778 AU)
perihelion=315.937 Gm (2.112 AU)
aphelion=515.376 Gm (3.445 AU)
eccentricity=0.240
period=1691.658 d (4.63 a)
inclination=4.075°
asc_node=197.313°
arg_peri=174.519°
mean_anomaly=36.838°
avg_speed=17.61 km/s
dimensions=118.7 km
mass=1.8e|18 kg
density=? g/cm³
surface_grav=0.0332 m/s²
escape_velocity=0.0628 km/s
rotation=? d
spectral_type=C [* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=74%20Galatea;orb=0;cov=0;log=0#orb JPL Small-Body Database Browser ] ]
abs_magnitude=8.66
albedo=0.043 [ [http://www.psi.edu/pds/resource/albedo.html Asteroid Data Sets ] ]
single_temperature=~167 K74 Galatea "(gal'-ə-tee'-ə," IPAEng|ˈɡæləˈtiːə) is a large
Main belt asteroid . Its surface is very dark in color. Galatea was found by the prolificcomet discoverer Ernst Tempel onAugust 29 ,1862 inMarseilles ,France . It was his third asteroid discovery. It is named after one of the two Galateas inGreek mythology . A stellaroccultation by Galatea was observed onSeptember 8 ,1987 . The name Galatea has also been given to one of Neptune's satellites.References
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