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1830 Pogson
1830 Pogson, provisional designation 1968 HA, is a main-belt asteroid discovered on April 17, 1968 by Paul Wild at Zimmerwald Observatory, Switzerland. The S-type asteroid with a relatively low eccentricity of 0.05 orbits the Sun at a distance of 2.1–2.3 AU every 3 years and 3 months. It had been assigned a large number of provisional designations dating back as far as 1926.〔 It was named after the English astronomer Norman Pogson (1829–1891), inventor of the modern astronomical magnitude scale and discoverer of eight minor planets, including 42 Isis and 67 Asia.〔 == References ==
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