299 Thora

Minor Planet | name=299 Thora
discoverer=Johann Palisa
discovery_date=October 6, 1890
designations=
category=Main belt
epoch=30 January, 2005 (JD 2453400.5)
semimajor=364.127 Gm (2.434 AU)
perihelion=341.515 Gm (2.283 AU)
aphelion=386.739 Gm (2.585 AU)
eccentricity=0.062
period=1387.017 d (3.8 a)
inclination=1.601°
asc_node=241.63°
arg_peri=150.489°
mean_anomaly=31.11°
speed=19.09 km/s
dimensions=17.0 km
mass="unknown"
density="unknown"
gravity="unknown"
escape_velocity="unknown"
rotation="unknown"
spectral_class="unknown"
abs_mag=11.4
albedo="unknown"
temperature="unknown"

299 Thora is a typical Main belt asteroid.

It was discovered by Johann Palisa on October 6, 1890 in Vienna.