(677) Aaltje
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Asteroid (677) Aaltje |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.955 AU |
| eccentricity | 0.05 |
| Perihelion - aphelion | 2.807 AU - 3.103 AU |
| Inclination of the orbit plane | 8.5 ° |
| Length of the ascending node | 272.9 ° |
| Argument of the periapsis | 278.9 ° |
| Time of passage of the perihelion | September 8, 2011 |
| Sidereal period | 5 a 29 d |
| Mean orbital velocity | 17.3 km / s |
| Physical Properties | |
| Medium diameter | (28.8 ± 1.7) km |
| Albedo | 0.2794 |
| Rotation period | 16 h 36 min |
| Absolute brightness | 9.7 likes |
| history | |
| Explorer | August Kopff |
| Date of discovery | January 18, 1909 |
| Another name | 1909 FR |
| 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. | |
(677) Aaltje is an asteroid of the main belt , which on 18 January 1909 by the German astronomer August Kopff in Heidelberg was discovered.
The asteroid is named after the Dutch singer Aaltje Noordewier-Reddingius .