1707 Chantal
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1707 Chantal, provisional designation Template:Mp, is a stony background asteroid from the Florian region in the inner asteroid belt, approximately Script error: No such module "convert". in diameter. It was discovered on 8 September 1932, by astronomer Eugène Delporte at the Royal Observatory of Belgium in Uccle.[1] The S-type asteroid has a rotation period of at least 10 hours.[2] It was named for Chantal, the niece of Belgian astronomer Georges Roland.[1]
Orbit and classification
According to modern HCM-analyses by Nesvorný, as well as by Milani and Knežević, Chantal is a non-family asteroid from the main belt's background population.[3][4] In an older HCM-analysis (Zappalà (1990–97), it is a member of the Flora family (402Script error: No such module "Check for unknown parameters".), a giant asteroid family and the largest family of stony asteroids in the main-belt.[3] It orbits the Sun in the inner asteroid belt at a distance of 1.8–2.6 AU once every 3 years and 4 months (1,207 days; semi-major axis of 2.22 AU). Its orbit has an eccentricity of 0.17 and an inclination of 4° with respect to the ecliptic.[5] The asteroid was first observed as Template:Mp at the Heidelberg Observatory in December 1906. The body's observation arc begins at Uccle Observatory in October 1932, or seven weeks after its official discovery observation.[1]
Naming
This minor planet was named by the discoverer Eugène Delporte after Chantal, a niece of Belgian astronomer Georges Roland (1922–1991) at of Uccle and co-discoverer of the Comet Arend–Roland.[1] The official naming citation was published by the Minor Planet Center on 8 April 1982 (M.P.C. 6832Script error: No such module "Check for unknown parameters".).[6] Asteroid 1711 Sandrine was also named by the discoverer after a (grand)-niece of Roland.
Physical characteristics
In the Tholen classification, Chantal is a common, stony S-type asteroid.[5][3]
Rotation period
In October 1975, a rotational lightcurve of Chantal was obtained from photometric observations by Swedish astronomer Claes-Ingvar Lagerkvist at the Uppsala Astronomical Observatory. Analysis of the fragmentary lightcurve gave a rotation period of at least Script error: No such module "val". hours with a brightness amplitude of more than 0.2 magnitude (U=1Script error: No such module "Check for unknown parameters".).[7]
Diameter and albedo
According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Chantal measures between 7.46 and 7.62 kilometers in diameter and its surface has an albedo between 0.28 and 0.31.[8][9][10][11] The Collaborative Asteroid Lightcurve Link assumes a standard albedo for a stony asteroid of 0.20 and calculates a diameter of 9.23 kilometers based on an absolute magnitude of 12.54.[2]
References
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External links
- Asteroid Lightcurve Database (LCDB), query form (info Template:Webarchive)
- Dictionary of Minor Planet Names, Google books
- Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
- Template:AstDys
- Template:PAGENAMEBASE at the JPL Small-Body DatabaseTemplate:EditAtWikidata
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