(18555) Courant
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Asteroid (18555) Courant |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt |
| Asteroid family | Koronis family |
| Major semi-axis | 2.8328 AU |
| eccentricity | 0.0355 |
| Perihelion - aphelion | 2.7322 AU - 2.9334 AU |
| Inclination of the orbit plane | 1.2483 ° |
| Sidereal period | 4.77 a |
| Mean orbital velocity | 17.70 km / s |
| Physical Properties | |
| Absolute brightness | 14.8 mag |
| history | |
| Explorer | Prescott Observatory |
| Date of discovery | February 4, 1997 |
| Another name | 1997 CN 4 |
| 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. | |
(18555) Courant is an asteroid of the main belt , which from February 4, 1997 Italian-American astronomer Paul G. Comba at the observatory Prescott ( IAU code 684) in Arizona was discovered.
The asteroid was named after the German-American mathematician Richard Courant (1888–1972), who founded the Courant Institute for Mathematical Sciences in New York City after emigrating to the USA .
See also
Web links
- Asteroid Courant: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (18555) Courant in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (18555) Courant in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).