(21873) Jindřichůvhradec
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Asteroid (21873) Jindřichůvhradec |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 3.1526 AU |
| eccentricity | 0.2069 |
| Perihelion - aphelion | 2.5002 AU - 3.8050 AU |
| Inclination of the orbit plane | 4.4631 ° |
| Length of the ascending node | 238.0246 ° |
| Argument of the periapsis | 130.9631 ° |
| Sidereal period | 5.60 a |
| Mean orbital velocity | 16.78 km / s |
| Physical Properties | |
| Medium diameter | 7.183 ± 0.136 |
| Albedo | 0.237 |
| Rotation period | 50.5874 h |
| Absolute brightness | 13.1 mag |
| history | |
| Explorer |
Jana Tichá Miloš Tichý |
| Date of discovery | October 29, 1999 |
| Another name | 1999 UU 3 , 1982 SN 8 , 1988 XA 5 |
| 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. | |
(21873) Jindřichůvhradec is an asteroid of the main belt that was discovered on October 29, 1999 by the Czech astronomers Jana Tichá and Miloš Tichý at the Kleť Observatory ( IAU code 046) near the town of Český Krumlov in the Czech Republic .
The asteroid was named on January 28, 2002 after the town of Jindřichův Hradec in South Bohemia , the district town of the Okres Jindřichův Hradec of the same name . The beginnings go back to the 10th century.
See also
Web links
- Asteroid Jindřichůvhradec: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (21873) Jindřichůvhradec in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (21873) Jindřichůvhradec in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).