(100133) Demosthenes
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Asteroid (100133) Demosthenes |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main outer belt asteroid |
| Asteroid family | Schubart family |
| Major semi-axis | 3.9466 AU |
| eccentricity | 0.2063 |
| Perihelion - aphelion | 3.1326 AU - 4.7606 AU |
| Inclination of the orbit plane | 2.5647 ° |
| Length of the ascending node | 357.9077 ° |
| Argument of the periapsis | 298.6132 ° |
| Sidereal period | 7.84 a |
| Physical Properties | |
| Absolute brightness | 14.2 mag |
| history | |
| Explorer | Eric Walter Elst |
| Date of discovery | September 15, 1993 |
| Another name | 1993 RG 14 , 2001 TP 50 |
| 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. | |
(100133) Demosthenes is an asteroid of the main outer belt discovered on September 15, 1993 by the Belgian astronomer Eric Walter Elst at the La Silla Observatory of the European Southern Observatory in Chile ( IAU code 809).
The asteroid is a member of the Schubart family, a group of asteroids that was probably formed by collision 1.7 (± 0.7) billion years ago and orbits the Sun in an orbital resonance of 3: 2 with the planet Jupiter . This group is named after the asteroid (1911) Schubart .
(100133) Demosthenes was named on July 12, 2014 after the Greek speaker Demosthenes (* 384 BC; † 322 BC).
See also
Web links
- (100133) Demosthenes in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (100133) Demosthenes in the Small-Body Database of the Jet Propulsion Laboratory .
- Discovery Circumstances of (100133) Demosthenes according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics in Cambridge , Massachusetts (English)
Individual evidence
- ↑ Miroslav Brož , David Vokrouhlický : Asteroid families in the first order resonances with Jupiter . Monthly Notices of the Royal Astronomical Society , 2008 (English)
- ↑ The family status of the asteroids in the AstDyS-2 database (English, HTML; 51.4 MB)