(5530) Eisinga
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Asteroid (5530) Eisinga |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.2944 AU |
| eccentricity | 0.1517 |
| Perihelion - aphelion | 1.9464 AU - 2.6424 AU |
| Inclination of the orbit plane | 7.7504 ° |
| Length of the ascending node | 16.4371 ° |
| Argument of the periapsis | 115.4412 ° |
| Sidereal period | 3.48 a |
| Mean orbital velocity | 19.66 km / s |
| Physical Properties | |
| Absolute brightness | 13.8 mag |
| history | |
| Explorer |
Cornelis Johannes van Houten , Ingrid van Houten-Groeneveld , Tom Gehrels |
| Date of discovery | September 24, 1960 |
| Another name | 2835 PL , 1981 UX 27 |
| 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. | |
(5530) Eisinga is an asteroid of the main belt that was discovered on September 24, 1960 by the Dutch astronomer couple Cornelis Johannes van Houten and Ingrid van Houten-Groeneveld . The discovery came about as part of the Palomar-Leiden survey , during which Tom Gehrels examined field plates recorded at the University of Leiden with the 120 cm Oschin Schmidt telescope of the Palomar observatory .
The asteroid was named after the Dutch amateur astronomer Eise Eisinga (1744-1828) who built the oldest functioning model of the solar system in Franeker with the Eisinga Planetarium named after him from 1774 to 1781 .
See also
Web links
- (5530) Eisinga in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- Asteroid Eisinga in the Small-Body Database of the Jet Propulsion Laboratory of NASA at the California Institute of Technology (Caltech) in Pasadena , California (English)
- Discovery Circumstances of (5530) Eisinga according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics in Cambridge , Massachusetts (English)