Claim: 1637 Swings is a 45.15 km (IRAS) 52.994±0.428 km in diameter dark asteroid from the asteroid belt, discovered on 28 August 1936 by J. Hunaerts in the Uccle Observatory and named after Belgian astronomer Pol Swings.
Evidence: 1637 Swings, provisional designation 1936 QO, is a dark asteroid from the outer region of the asteroid belt, approximately 50 kilometers in diameter. Discovered by Joseph Hunaerts in 1936, it was named after Belgian astronomer Pol Swings. Uccle Obs. 28 August 1936 45.15 km (IRAS)
52.994±0.428 km According to the surveys carried out by the Infrared Astronomical Satellite IRAS and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Swings' surface has an albedo of 0.042, and measures 45.15 and 52.99 kilometers in diameter, respectively.