Английская Википедия:63305 Bobkepple
Шаблон:Use dmy dates Шаблон:Infobox planet
63305 Bobkepple, provisional designation Шаблон:Mp, is a carbonaceous Hygiean asteroid from the outer regions of the asteroid belt, approximately Шаблон:Convert in diameter. It was discovered on 17 March 2001, by astronomer David Healy at the Junk Bond Observatory in Arizona, United States.[1] The asteroid was named after Bob Kepple, co-author of The Night Sky Observer's Guide.
Orbit and classification
Bobkepple is a member of the Hygiea family (Шаблон:Small),[2] a large family of carbonaceous outer-belt asteroids, named after 10 Hygiea, the main belt's fourth-largest asteroid.[3] It orbits the Sun in the outer main-belt at a distance of 2.7–3.7 AU once every 5 years and 9 months (2,091 days). Its orbit has an eccentricity of 0.15 and an inclination of 6° with respect to the ecliptic.[4]
The body's observation arc begins with a precovery image taken by Spacewatch in March 1995, six years prior to its official discovery observation at Junk Bond Observatory.[1]
Physical characteristics
Rotation period
As of 2017, no rotational lightcurve of Bobkepple has been obtained from photometric observations. The asteroid's rotation period, spin axis and shape remains unknown.[4]
Diameter and albedo
According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Bobkepple measures 6.216 kilometers in diameter and its surface has an albedo of 0.055.[5]
Naming
This minor planet was named after deep-sky astronomer George Robert Kepple, creator of the "Astro Cards" observing aids and co-author of The Night Sky Observer's Guide, popular among deep-sky observers.[6] The official naming citation was published by the Minor Planet Center on 4 May 2004 (Шаблон:Small).[7]
References
External links
- The Night Sky Observer's Guide by George Robert Kepple and Glen Sanner
- 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 (60001)-(65000) – Minor Planet Center
- Шаблон:AstDys
- Шаблон:JPL small body
Шаблон:Minor planets navigator Шаблон:Small Solar System bodies Шаблон:Authority control
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- Английская Википедия
- Hygiea asteroids
- Discoveries by David Healy (astronomer)
- Named minor planets
- Astronomical objects discovered in 2001
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