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1589 Fanatica

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Discovered by  M. Itzigsohn
MPC designation  1589 Fanatica
Discovered  13 September 1950
Discoverer  Miguel Itzigsohn
Asteroid group  Asteroid belt
Discovery date  13 September 1950
Minor planet category  main-belt · Vestian
Orbits  Sun
Asteroid family  Vesta family
Named after  Eva Perón (Argentine idol)
Alternative names  1950 RK · 1935 RD 1937 CF · 1946 OE 1950 TM3 · A924 WC
Discovery site  La Plata Astronomical Observatory
People also search for  55 Pandora, Sun, 1800 Aguilar

1589 Fanatica, provisional designation 1950 RK, is a stony, Vestian asteroid from the inner regions of the asteroid belt, approximately 11 kilometers in diameter. It was discovered on 13 September 1950, by Argentine astronomer Miguel Itzigsohn at La Plata Astronomical Observatory in La Plata, Argentina.

Based on its orbital elements, Fanatica is a S-type member of the Vesta family, which is named after 4 Vesta, the third largest body in the main-belt after the dwarf planet 1 Ceres and the minor planet 2 Pallas. Fanatica orbits the Sun at a distance of 2.2–2.6 AU once every 3 years and 9 months (1,373 days). Its orbit has an eccentricity of 0.09 and an inclination of 5° with respect to the ecliptic. It was first identified as A924 WC at Heidelberg Observatory in 1924, extending the body's observation arc by 26 years prior to its official discovery observation at La Plata.

In November 2003, a rotational light-curve of Fanatica was obtained by astronomer Brian D. Warner at his Palmer Divide Observatory in Colorado. The light-curve analysis gave a rotation period of 2.58 hours with a brightness variation of 0.16 magnitude (U=3). In August 2014, photometric observations by astronomer Robert D. Stephens gave a period of 2.582 hours and change in brightness of 0.18 magnitude (U=3).

According to the surveys carried out by the Japanese Akari satellite and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Fanatica measures between 9.31 and 12.16 kilometers in diameter, and its surface has an albedo between 0.189 and 0.388. The Collaborative Asteroid Lightcurve Link assumes a standard albedo for stony asteroids of 0.20 and calculates a diameter of 12.39 kilometers, using an absolute magnitude of 11.9.

This minor planet was named in reference to Argentine legend, Eva Perón (1919–1952), also known as "Evita", wife of Argentine President Juan Perón, First Lady of Argentina and idolized by millions. The asteroids 1569 Evita, 1581 Abanderada, 1582 Martir and 1588 Descamisada were also discovered by Itzigsohn, and were also given names in tribute to Perón. Naming citation was published before November 1977 (M.P.C. 1069).

References

1589 Fanatica Wikipedia


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