- 28 Bellona
Infobox Planet | discovery=yes | physical_characteristics = yes | bgcolour=#FFFFC0
name=28 Bellona
symbol=
discoverer=R. Luther
discovered=March 1 ,1854
alt_names=mp|1951 CC|2
mp_category=Main belt
epoch=June 14 ,2006 (JD 2453900.5)
semimajor=415.608 Gm (2.778 AU)
perihelion=353.977 Gm (2.366 AU)
aphelion=477.240 Gm (3.190 AU)
eccentricity=0.148
period=1691.362 d (4.63 a)
inclination=9.401°
asc_node=144.503°
arg_peri=342.548°
mean_anomaly=353.997°
avg_speed=17.77 km/s
dimensions=120.9 km MPCit_JPL|28
mass=1.9e|18? kg
density=2.0? g/cm³
surface_grav=0.0338? m/s²
escape_velocity=0.0639? km/s
rotation=0.65396 d (15.695 h) [http://www.psi.edu/pds/asteroid/EAR_A_5_DDR_DERIVED_LIGHTCURVE_V8_0/data/lc.tab]
spectral_type=S
abs_magnitude=7.09
albedo=0.1763 [http://www.psi.edu/pds/asteroid/EAR_A_5_DDR_ALBEDOS_V1_1/data/albedos.tab]
single_temperature=~163 K28 Bellona (pron-en|bɛˈloʊnə respell|be|LOH|nə, _la. Bellōna) is a large
main belt asteroid .Bellona was discovered by R. Luther on
March 1 ,1854 . It is named after Bellona, the Roman goddess ofwar ; the name was chosen to mark the beginning of theCrimean War .References
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