405 Thia

Minor Planet | name=405 Thia
discoverer=Auguste Charlois
discovery_date=July 23, 1895
designations=1895 BZ
category=Main belt
epoch=30 January, 2005 (JD 2453400.5)
semimajor=386.59 Gm (2.584 AU)
perihelion=292.091 Gm (1.953 AU)
aphelion=481.088 Gm (3.216 AU)
eccentricity=0.244
period=1517.321 d (4.15 a)
inclination=11.949°
asc_node=255.303°
arg_peri=309.2°
mean_anomaly=210.706°
speed=18.53 km/s
dimensions=125.0 km
mass="unknown"
density="unknown"
gravity="unknown"
escape_velocity="unknown"
rotation="unknown"
spectral_class=C
abs_mag=8.46
albedo="unknown"
temperature="unknown"

405 Thia is a very large Main belt asteroid. It is classified as a C-type asteroid and is probably composed of carbonaceous material.

It was discovered by Auguste Charlois on July 23, 1895 in Nice.