(267) Tirza
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Asteroid (267) Tirza |
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| Properties of the orbit ( animation ) | |
| Orbit type | Middle main belt |
| Major semi-axis | 2,774 AU |
| eccentricity | 0.102 |
| Perihelion - aphelion | 2.491 AU - 3.057 AU |
| Inclination of the orbit plane | 6 ° |
| Length of the ascending node | 73.9 ° |
| Argument of the periapsis | 195.9 ° |
| Time of passage of the perihelion | May 13, 2012 |
| Sidereal period | 4 a 226 d |
| Mean orbital velocity | 17.8 km / s |
| Physical Properties | |
| Medium diameter | 53 km |
| Albedo | 0.0402 |
| Rotation period | 7 h 39 min |
| Absolute brightness | 10.5 mag |
| Spectral class | YOU |
| history | |
| Explorer | A. Charlois |
| Date of discovery | May 27, 1887 |
| Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. | |
(267) Tirza is an asteroid of the main asteroid belt , which was discovered on July 25, 1887 by Auguste Charlois at the Observatory of Nice . Tirza was the first of 99 asteroids that Charlois discovered from Nice.
The asteroid bears the name of the biblical figure Tirza .
Tirza moves at a distance of 2.4901 ( perihelion ) to 3.0571 ( aphelion ) astronomical units in 4.6193 years around the sun . The orbit is inclined 6.0117 ° to the ecliptic , the orbital eccentricity is 0.1022.
Tirza has a diameter of 53 kilometers. It has a dark carbon-rich surface with an albedo of 0.040. It rotates around its own axis in 12 hours and 54 minutes.