1720 Niels

1720 Niels, provisional designation 1935 CQ, is a stony asteroid from the inner regions of the asteroid belt, about 8 kilometers in diameter. It was discovered by Karl Reinmuth at Heidelberg Observatory on 7 February 1935.

The asteroid orbits the Sun at a distance of 2.0–2.4 AU once every 3 years 3 months (1,182 days). Its orbit shows an eccentricity of 0.10 and is nearly coplanar to the plane of the ecliptic, inclined by 1 degree. It has a rotation period of 9.9 and 19 hours depending on two different light-curve analysis. The geometric albedo of the S-type asteroid has been determined by the Wide-field Infrared Survey Explorer (WISE) with a value of 0.22.

The minor planet was named by the discoverer after his grandson, Jens. Reinmuth also named 1719 Jens after one of his grandsons.

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