- 145 Adeona
Infobox Planet | minorplanet = yes | width = 25em | bgcolour = #FFFFC0
name=145 Adeona
discovery=yes
discovery_ref= [http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html]
discoverer=Christian Heinrich Friedrich Peters
discovered=June 3 ,1875
alt_names=
mp_category=Main belt
orbit_ref= [ftp://ftp.lowell.edu/pub/elgb/astorb.html]
epoch=December 31 ,2006 (JD 2454100.5)
semimajor=399.817 Gm (2.673 AU)
perihelion=341.958 Gm (2.286 AU)
aphelion=457.677 Gm (3.059 AU)
eccentricity=0.145
period=1595.888 d (4.37 a)
inclination=12.637°
asc_node=77.454°
arg_peri=44.899°
mean_anomaly=163.291°
avg_speed=18.12 km/s
physical_characteristics=yes
dimensions=151.1 km
mass=3.6e|18 kg
density=2.0 g/cm³
surface_grav=0.0422 m/s²
escape_velocity=0.0799 km/s
sidereal_day=? d
axial_tilt=?° | pole_ecliptic_lat=? | pole_ecliptic_lon=?
spectral_type=C
abs_magnitude=8.13
albedo=0.10
single_temperature=~170 K145 Adeona is a rather large Main belt
asteroid . Its surface is very dark, and composition likely of primitivecarbonaceous material.The
Adeona family of asteroids is named after it.It was discovered by C. H. F. Peters on
June 3 ,1875 in Clinton, New York and named afterAbeona , a protector of children inRoman mythology .Adeona has been seen occulting a
star once (July 9 ,2002 ).
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