Английская Википедия:25924 Douglasadams
Шаблон:Use dmy dates Шаблон:Infobox planet
25924 Douglasadams, provisional designation Шаблон:Mp, is a Nysian asteroid from the inner regions of the asteroid belt, approximately 2.4 kilometers in diameter. It was discovered on 19 February 2001, by astronomers of the Lincoln Near-Earth Asteroid Research at the Lincoln Laboratory's Experimental Test Site in New Mexico, United States. The asteroid was named for novelist Douglas Adams.[1]
Orbit and classification
Douglasadams is a member of the Nysa family (Шаблон:Small),[2] better described as the Nysa–Polana complex, as it contains at least three asteroid families with distinct spectral types (SFC).[3]Шаблон:Rp It orbits the Sun in the inner main-belt at a distance of 2.0–2.8 AU once every 3 years and 9 months (1,371 days). Its orbit has an eccentricity of 0.17 and an inclination of 2° with respect to the ecliptic.[4]
The body's observation arc begins with a precovery taken by Spacewatch at Kitt Peak Observatory in January 1997, more than four years prior to its official discovery observation at Lincoln Lab's ETS.[1]
Physical characteristics
The spectral type of Douglasadams is unknown. Based on its albedo (see below) it is likely a common stony S-type asteroid.[4]
Diameter and albedo
According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Douglasadams measures 2.410 kilometers in diameter and its surface has an albedo of 0.210.[5] It has an absolute magnitude of 15.6.[4]
Rotation period
As of 2017, no rotational lightcurve of Douglasadams has been obtained from photometric observations. The asteroid's rotation period, poles and shape remain unknown.[6]
Naming
This minor planet was named in memory of English novelist Douglas Adams (1952–2001), because its provisional designation Шаблон:Mp happened to contain the year of his death, his initials, and the Answer to the Ultimate Question of Life, the Universe, and Everything (42), as given in his novel serial The Hitchhiker's Guide to the Galaxy.[7] The official naming citation was published by the Minor Planet Center on 25 January 2005 (Шаблон:Small).[8]
The asteroid 18610 Arthurdent, discovered by Felix Hormuth in 1998, was named after the bewildered hero of Douglas Adams's The HitchhikerШаблон:'s Guide to the Galaxy.
References
External links
- Asteroid named after 'Hitchhiker' humorist: Late British sci-fi author honored after cosmic campaign by Alan Boyle, MSNBC, 2005
- 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 (25001)-(30000) – Minor Planet Center
- Шаблон:AstDys
- Шаблон:JPL small body
Шаблон:HitchhikerMiscellanea Шаблон:Minor planets navigator Шаблон:Small Solar System bodies Шаблон:Authority control
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- Английская Википедия
- Nysa asteroids
- Discoveries by LINEAR
- Named minor planets
- Douglas Adams
- Astronomical objects discovered in 2001
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