267 Tirza

267 Tirza

Discovery
Discovered by	Auguste Charlois
Discovery date	27 May 1887
Designations
Named after	Tirzah
Alternative names	A922 AA, 1965 GC
Minor planet category	Main belt
Orbital characteristics[1]
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)
Average orbital speed	17.89 km/s
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°
Earth MOID	1.48586 AU (222.281 Gm)
Jupiter MOID	2.02019 AU (302.216 Gm)
Jupiter Tisserand parameter	3.321
Physical characteristics
Dimensions	52.68±3.1 km
Mass	unknown
Mean density	unknown
Equatorial surface gravity	unknown
Equatorial escape velocity	unknown
Rotation period	7.648 h (0.3187 d)
Geometric albedo	0.0402±0.005
Temperature	unknown
Spectral type	DU
Absolute magnitude (H)	10.2

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.

References

1. "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 the JPL Small-Body Database
  
  • Discovery · Orbit diagram · Orbital elements · Physical parameters