Derby and District Astronomical Society



Asteroid 69273 Derbyastro


Thanks to a suggestion made by DDAS member Mike Dumelow, and the work of DDAS member Anthony Southwell in conjunction with the International Astronomical Union (IAU) Working Group for Small Bodies Nomenclature (WGSBN), our 50th anniversary year in 2024 was marked by a solar system body with our name on it! Asteroid 69273 Derbyastro (1989 TN1) is a main belt asteroid discovered by English astronomer Brian G. W. Manning at Stakenbridge Observatory near Kidderminster in October 1989. It measures 4.6 km in diameter, has an absolute magnitude of 14.6, and takes 4.6 years to orbit the Sun, with an orbit lying between Mars and Jupiter that is inclined 11 degrees to the plane of the ecliptic. Our naming citation reads: 'The Derby and District Astronomical Society is based in Derby, England and was founded in 1974 by Jane Kirk. The society holds monthly meetings and engages in public and educational activities. It also operates the Flamsteed Observatory and runs monthly public viewing nights.' View our entry in the WGSBN Bulletin. More details of our asteroid may be found at the JPL Small-Body Database Lookup. Furthermore, DDAS member Bob Richardson's son Tom, of Burton Industrial Engravings Ltd., kindly donated an engraved plaque to commemorate the asteroid naming, pictured below, which is now on display in the Society's Flamsteed Observatory.




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