117 Lomia

Infobox Planet | discovery=yes | physical_characteristics = yes | bgcolour=#FFFFC0
name=117 Lomia
discoverer=Alphonse Borrelly
discovered=September 12, 1871
alt_names=
mp_category=Main belt
epoch=December 31, 2006 (JD 2454100.5)
semimajor=447.480 Gm (2.991 AU)
perihelion=434.790 Gm (2.906 AU)
aphelion=460.170 Gm (3.076 AU)
eccentricity=0.028
period=1889.604 d (5.17 a)
inclination=14.928°
asc_node=348.991°
arg_peri=62.315°
mean_anomaly=0.674°
avg_speed=17.22 km/s
dimensions=148.7 km
mass=3.4e|18 kg
density=? g/cm³
surface_grav=0.0416 m/s²
escape_velocity=0.0786 km/s
rotation=? d
spectral_type=C
abs_magnitude=7.95
albedo=?
single_temperature=~161 K

117 Lomia is a rather large Main belt asteroid. It has a very dark surface and primitive carbonaceous composition. It was discovered by A. Borrelly on September 12, 1871. Occultations by Lomia have so far been observed twice, in 2000 and 2003.