Astronomical objects discovered in 1927

1111 Reinmuthia (prov. designation: 1927 CO) is a very elongated asteroid from the background population, located in the outer region of the asteroid belt. It was discovered on 11 February 1927, by German astronomer Karl Reinmuth at the Heidelberg Observatory in southwest Germany. The F-type asteroid (FX) has a short rotation period of 4.02 hours and measures approximately 40 kilometers (25 miles) in diameter. It was later named in honor of Karl Reinmuth, the discoverer himself.

1185 Nikko, provisional designation 1927 WC, is a stony asteroid from the inner regions of the asteroid belt, approximately 10 kilometers in diameter. It was discovered on 17 November 1927 by Okuro Oikawa at the Tokyo Astronomical Observatory, Japan. The asteroid was named after the Japanese city of Nikkō.

1266 Tone is a dark background asteroid from the outer regions of the asteroid belt, approximately 80 kilometers in diameter. Discovered by astronomer Okuro Oikawa at the Tokyo Observatory in 1927, it was assigned the provisional designation 1927 BD. The asteroid was later named after the Tone River, one of Japan's largest rivers.

1626 Sadeya (provisional designation 1927 AA) is a stony Phocaea asteroid and binary system from the inner regions of the asteroid belt, approximately 15 kilometers (9.3 miles) in diameter. It was discovered on 10 January 1927, by Catalan astronomer Josep Comas i Solà at Fabra Observatory in Barcelona, Spain, and named after the Spanish and American Astronomical Society. The discovery of a companion was announced on 1 December 2020.

1209 Pumma (provisional designation 1927 HA) is a Hygiean asteroid from the outer region of the asteroid belt, approximately 30 kilometers in diameter. It was discovered on 22 April 1927, by German astronomer Karl Reinmuth at Heidelberg Observatory in southwest Germany. The asteroid was named after the niece of astronomer Albrecht Kahrstedt.

1182 Ilona, provisional designation 1927 EA, is a stony asteroid from the inner regions of the asteroid belt, approximately 14 kilometers in diameter. It was discovered by German astronomer Karl Reinmuth at the Heidelberg Observatory on 3 March 1927, and later named Ilona. Any reference to its name is unknown.

1119 Euboea (prov. designation: 1927 UB) is a background asteroid from the central region of the asteroid belt. It was discovered on 27 October 1927, by German astronomer Karl Reinmuth at the Heidelberg-Königstuhl State Observatory in southwest Germany. The asteroid has a rotation period of 11.4 hours and measures approximately 30 kilometers (19 miles) in diameter. It was named for the Greek island of Euboea.

1118 Hanskya (prov. designation: 1927 QD) is a large background asteroid, approximately 77 kilometers (48 miles) in diameter, located in the outer regions of the asteroid belt. Discovered by Sergey Belyavsky and Nikolaj Ivanov in 1927, it was named after Russian astronomer Aleksey Hansky. The presumed dark C-type asteroid has a rotation period of 15.6 hours.

1117 Reginita (prov. designation: 1927 KA) is a stony background asteroid from the inner regions of the asteroid belt. It was discovered on 24 May 1927, by Catalan astronomer Josep Comas i Solà at the Fabra Observatory in Barcelona, Spain, who named it after his niece. The bright S-type asteroid has a notably short rotation period of 2.9 hours and measures approximately 10 kilometers (6.2 miles) in diameter.

1088 Mitaka (prov. designation: 1927 WA) is a bright background asteroid from the inner regions of the asteroid belt. It was discovered on 17 November 1927, by Japanese astronomer Okuro Oikawa at the old Tokyo Astronomical Observatory in Japan. The stony S-type asteroid has a notably short rotation period of 3.0 hours and measures approximately 15 kilometers (9.3 miles) in diameter. It was named after the Japanese village of Mitaka.