Английская Википедия:1407 Lindelöf
1407 Lindelöf, provisional designation Шаблон:Mp, is an asteroid from the central region of the asteroid belt, approximately 20 kilometers in diameter. It was discovered on 21 November 1936, by Finnish astronomer Yrjö Väisälä at Turku Observatory in Southwest Finland.[1] The asteroid was named after Finnish topologist Ernst Lindelöf.[2]
Orbit and classification
Lindelöf orbits the Sun in the central main-belt at a distance of 2.0–3.5 AU once every 4 years and 7 months (1,680 days). Its orbit has an eccentricity of 0.28 and an inclination of 6° with respect to the ecliptic.[3] In 1905, it was first identified as Шаблон:Mp at Heidelberg Observatory, extending the body's observation arc by 31 years prior to its official discovery observation.[1]
Physical characteristics
In the SMASS taxonomy, LindelöfШаблон:'s spectral class is that of an X-type asteroid, while the Collaborative Asteroid Lightcurve Link (CALL) considers it to be of a stony composition.[3][4]
Rotation period and poles
French amateur astronomer Pierre Antonini obtained a rotational lightcurve of Lindelöf from photometric observations in January 2006. Lightcurve analysis gave a well-defined and longer-than average rotation period of 31.151 hours with a brightness variation of 0.34 in magnitude (Шаблон:Small).[5]
A 2016-published lightcurve, using modeled photometric data from the Lowell Photometric Database (LPD), gave a concurring period of 31.0941 hours (Шаблон:Small), as well as a spin axis of (147.0°, 36°) in ecliptic coordinates (λ, β).[6]
Diameter and albedo
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, Lindelöf measures between 17.39 and 23.85 kilometers in diameter, and its surface has an albedo between and 0.179 and 0.28.[7][8][9][10][11] The Collaborative Asteroid Lightcurve Link derives an albedo of 0.1791 and a diameter of 20.75 kilometers, with an absolute magnitude of 10.9.[4]
Naming
This minor planet was named for Finnish topologist Ernst Leonard Lindelöf (1870–1946), who was a professor of mathematics at Helsinki University.[2] The Lindelöf spaces are also named after him. The official naming citation was mentioned in The Names of the Minor Planets by Paul Herget in 1955 (Шаблон:Small).[2]
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
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- Discoveries by Yrjö Väisälä
- Named minor planets
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- Astronomical objects discovered in 1936
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