1626 Sadeya

1626 Sadeya, provisional designation 1927 AA, is an eccentric, stony asteroid with a tilted orbit from the inner regions of the asteroid belt. It was discovered on 10 January 1927 at Fabra Observatory in Barcelona by Spanish astronomer of Catalan origin, Josep Comas i Solà.

The asteroid is a member of the Phocaea family and measures about 15 kilometers in diameter. It orbits the Sun at a distance of 1.7–3.0 AU once every 3.63 years (1,327 days). Its orbit shows a high eccentricity of 0.27 and is heavily tilted by 25 degrees towards the plane of the ecliptic. It has a rotation period of 3.42 hours. While observations by the space-based Akari and WISE/NEOWISE mission found an exceptionally high albedo of about 0.50 for the S-type asteroid, the Lightcurve Database project assumes a much lower value of 0.23.

The minor planet was named after the Spanish and American Astronomical Society (Spanish: Sociedad Astrónomica de España y América), also known by its acronym "Sadeya". It was founded by Comas i Solà, who also was its first president.

External links

• Asteroid Lightcurve Database (LCDB), query form (info)
• 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
• 1626 Sadeya at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters