267 Tirza

Tirza (minor planet designation: 267 Tirza) is a fairly sizeable, very dark Main belt asteroid.

267 Tirza

Discovery
Discovered by	Auguste Charlois
Discovery date	27 May 1887
Designations
MPC designation	(267) Tirza
Pronunciation	/ˈtɜːrzə/[1]
Named after	Tirzah
Alternative designations	A922 AA, 1965 GC
Minor planet category	Main belt
Orbital characteristics[2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	108.44 yr (39609 d)
Aphelion	3.04773 AU (455.934 Gm)
Perihelion	2.50143 AU (374.209 Gm)
Semi-major axis	2.77458 AU (415.071 Gm)
Eccentricity	0.098448
Orbital period	4.62 yr (1688.1 d)
Mean anomaly	327.898°
Mean motion	0° 12^m 47.732^s / day
Inclination	6.00306°
Longitude of ascending node	73.7538°
Argument of perihelion	196.255°
Physical characteristics
Dimensions	52.68±3.1 km
Rotation period	7.648 h (0.3187 d)
Geometric albedo	0.0402±0.005
Spectral type	DU
Absolute magnitude (H)	10.2

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

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

References

1. 'Tirzah' in Noah Webster (1884) A Practical Dictionary of the English Language
2. "267 Tirza". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016.

• The Asteroid Orbital Elements Database
• Minor Planet Discovery Circumstances
• Asteroid Lightcurve Data File

External links

• 267 Tirza at AstDyS-2, Asteroids—Dynamic Site
  • Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
• 267 Tirza at the JPL Small-Body Database
  • Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters