(4104) Alu
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Asteroid (4104) Alu |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Asteroid family | Maria family |
| Major semi-axis | 2.5431 AU |
| eccentricity | 0.1063 |
| Perihelion - aphelion | 2.2728 AU - 2.8133 AU |
| Inclination of the orbit plane | 15.7018 ° |
| Sidereal period | 4.06 a |
| Mean orbital velocity | 18.67 km / s |
| Physical Properties | |
| Medium diameter | approx. 9 km |
| Absolute brightness | 12.4 mag |
| history | |
| Explorer | EF Helin |
| Date of discovery | March 5, 1989 |
| Another name | 1989 ED, 1953 JC, 1957 KK, 1977 FO 3 , 1987 YR 3 , 1988 AG 2 |
| 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. | |
(4104) Aluminum is an asteroid of the main belt , which from the March 5, 1989 American US astronomer Eleanor Helin at Palomar Observatory ( IAU code was discovered 675).
The asteroid was named after the American musician, composer and amateur astronomer Jeff T. Alu , who worked on the Planet-Crossing Asteroid Survey of the Palomar Observatory and tracked down several earth orbit cruisers and main belt asteroids.
See also
Web links
- Asteroid Alu: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (4104) Alu in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (4104) Alu in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).