(249) Use
Asteroid (249) Ilse |
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Properties of the orbit ( animation ) | |
Orbit type | Inner main belt |
Major semi-axis | 2,377 AU |
eccentricity | 0.217 |
Perihelion - aphelion | 1.861 AU - 2.893 AU |
Inclination of the orbit plane | 9.6 ° |
Length of the ascending node | 334.8 ° |
Argument of the periapsis | 41.9 ° |
Time of passage of the perihelion | 17th August 2010 |
Sidereal period | 3 a 243 d |
Mean orbital velocity | 19.1 km / s |
Physical Properties | |
Medium diameter | 35 km |
Albedo | 0.0428 |
Rotation period | 85 h 14 min |
Absolute brightness | 11.33 mag |
history | |
Explorer | CHF Peters |
Date of discovery | August 16, 1885 |
Another name | 1973 PB |
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. |
(249) Ilse is an asteroid of the inner main asteroid belt , which on 16 August 1885 by Christian Heinrich Friedrich Peters at the observatory of Clinton ( United States was discovered).
Ilse moves at a distance of 1.8657 ( perihelion ) to 2.8927 ( aphelion ) astronomical units in 3.6699 years around the sun . The orbit is inclined 9.6294 ° to the ecliptic , the orbit eccentricity is 0.2158.
Ilse has a diameter of 35 kilometers. It has a dark surface with an albedo of 0.043.