Английская Википедия:1597 Laugier
1597 Laugier, provisional designation Шаблон:Mp, is an asteroid from the outer region of the asteroid belt, approximately 20 kilometers in diameter. It was discovered on 7 March 1949, by French astronomer Louis Boyer at the north African Algiers Observatory in Algeria.[1] It was later named after French astronomer Marguerite Laugier.[2]
Orbit and classification
This asteroid orbits the Sun in the outer main-belt at a distance of 2.6–3.1 AU once every 4 years and 10 months (1,752 days). Its orbit has an eccentricity of 0.09 and an inclination of 12° with respect to the ecliptic.[3] As no precoveries were taken and no prior identifications were made, LaugierШаблон:'s observation arc begins with its official discovery observation in 1949.[1]
Physical characteristics
Laugier is a presumed C-type asteroid[4]
Lightcurves
A rotational lightcurve for this asteroid from an unpublished source at the Asteroid Light Curve Database gave a well-defined rotation period of 8.020 hours with a brightness amplitude between 0.68 and 0.71 in magnitude (Шаблон:Small).[4] A similar period of 8.023 hours was previously obtained from remodeled data of the Lowell photometric database in March 2016.[3][5]
Diameter and albedo
According to the survey carried out by NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Laugier measures 12.9 kilometers in diameter and its surface has an albedo of 0.244,[6] while the Collaborative Asteroid Lightcurve Link assumes a standard albedo for carbonaceous asteroids of 0.057, and calculates a diameter of 24.3 kilometers based on an absolute magnitude of 11.8.[4]
Naming
This minor planet was named after French astronomer and asteroid discoverer Marguerite Laugier (1896–1976). The official Шаблон:MoMP was published by the Minor Planet Center on 1 August 1978 (Шаблон:Small).[7]
References
External links
- Asteroid Lightcurve Database (LCDB), query form (info Шаблон:Webarchive)
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
- Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
- Шаблон:AstDys
- Шаблон:JPL small body
Шаблон:Use dmy dates Шаблон:Minor planets navigator Шаблон:Small Solar System bodies
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- Английская Википедия
- Background asteroids
- Discoveries by Louis Boyer (astronomer)
- Named minor planets
- Astronomical objects discovered in 1949
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