Wikimedia Commons has media related to 1237. Year 1237 ( MCCXXXVII ) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar . Contents
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1232; 1233; 1234; 1235; 1236; 1237; 1238; 1239; 1240; 1241; 1242
From Wikipedia, the free encyclopedia HD 1237 is a binary star system approximately 57 light-years away in the constellation of Hydrus (the Water Snake). The visible star in the system, A, is considered to be a solar analog due close mass to the sun.
1237 A Wikipédiából, a szabad enciklopédiából Ez a szócikk az 1237. évről szól. Az 1237-es számról szóló cikket lásd itt: 1237 (szám).
- -607 – -606
- Orbit and classification
- Physical characteristics
- Physical characteristics
1237 Geneviève is a background asteroid from the central region of the asteroid belt, approximately 38 kilometers in diameter. It was discovered on 2 December 1931, by French astronomer Guy Reiss at the Algerian Algiers Observatory in North Africa. The discoverer named it after his daughter Geneviève Reiss.
Geneviève is a non-family asteroid of the main belt's background population when applying the hierarchical clustering method to its proper orbital elements. It orbits the Sun in the central main-belt at a distance of 2.4–2.8 AU once every 4 years and 3 months. Its orbit has an eccentricity of 0.08 and an inclination of 10° with respect to the ecliptic. In 1908, it was first identified as A908 HA at Taunton Observatory. A few days later, Geneviève was also observed at the U.S. Naval ...
This minor planet was named for the eldest daughter of the discoverer, Geneviève Reiss. The discoverer also named 1300 Marcelle and 1376 Michelle after his other two daughters. The official naming citation was mentioned in The Names of the Minor Planets by Paul Herget in 1955.
In May 1984, American astronomer Richard Binzel obtained a rotational lightcurve of Geneviève that gave a rotation period of 16.37 hours with a brightness variation of 0.23 magnitude. A divergent period of 24.82 hours with an amplitude of 0.07 magnitude was obtained from photometric observations by astronomer Raymond Poncy in April 2005.
According to the surveys carried out by the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite, and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Geneviève measures between 30.85 and 40.67 kilometers in diameter, and its surface has an albedo between 0.057 and 0.07. The Collaborative Asteroid Lightcurve Link agrees with the results obtained by IRAS, and derives an albedo of 0.0484 and a diameter of 39.74 kilometers using an absolute magnitude of
1237 (MCCXXXVII) var ett normalår som började en torsdag i den Julianska kalendern.
Mbi vitin 1237. Ngjarje Lindje Vdekje Kjo faqe është redaktuar për herë te fundit më 9 mars 2016, në orën 00:18. Të gjitha materialet që ...