405 Thia

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405 Thia
Discovery A
Discoverer Auguste Charlois
Discovery date July 23, 1895
Alternate
designations
B
1895 BZ
Category Main belt
Orbital elements C
Epoch 30 January 2005 (JD 2453400.5)
Eccentricity (e) 0.244
Semi-major axis (a) 386.59 Gm (2.584 AU)
Perihelion (q) 292.091 Gm (1.953 AU)
Aphelion (Q) 481.088 Gm (3.216 AU)
Orbital period (P) 1517.321 d (4.15 a)
Mean orbital speed 18.53 km/s
Inclination (i) 11.949°
Longitude of the
ascending node
(Ω)
255.303°
Argument of
perihelion
(ω)
309.2°
Mean anomaly (M) 210.706°
Physical characteristics D
Dimensions 125.0 km
Mass unknown
Density unknown
Surface gravity unknown
Escape velocity unknown
Rotation period unknown
Spectral class C
Absolute magnitude 8.46
Albedo (geometric) unknown
Mean surface
temperature
unknown
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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.