267 Tirza

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267 Tirza
Discovery A
Discoverer Auguste Charlois
Discovery date May 27, 1887
Alternate
designations
B
A922 AA, 1965 GC
Category Main belt
Orbital elements C
Epoch 30 January 2005 (JD 2453400.5)
Eccentricity (e) 0.102
Semi-major axis (a) 414.864 Gm (2.773 AU)
Perihelion (q) 372.406 Gm (2.489 AU)
Aphelion (Q) 457.322 Gm (3.057 AU)
Orbital period (P) 1686.787 d (4.62 a)
Mean orbital speed 17.89 km/s
Inclination (i) 6.012°
Longitude of the
ascending node
(Ω)
73.927°
Argument of
perihelion
(ω)
196.765°
Mean anomaly (M) 151.297°
Physical characteristics D
Dimensions 53.0 km
Mass unknown
Density unknown
Surface gravity unknown
Escape velocity unknown
Rotation period 5.9 h
Spectral class DU
Absolute magnitude 10.5
Albedo (geometric) 0.040
Mean surface
temperature
unknown
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267 Tirza is a fairly sizeable, very dark Main belt asteroid.

It was discovered by Auguste Charlois on May 27, 1887 in Nice. It was his first asteroid discovery.

It was named after Tirzah, a woman in the Bible.

[edit] References