1428 Mombasa darker P-type asteroid. According to the surveys carried out by the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite, and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, "Mombasa" measures between 52.46 and 62.45 kilometers in diameter, ignoring a preliminary result of 127 km, and its surface has an albedo of 0.025 and 0.06. The "Collaborative Asteroid Lightcurve Link" derives an albedo of 0.0415 and a diameter of 56.83 kilometers with an absolute magnitude of 10.3. This minor planet was named after Mombasa, chief-port and second largest city of Kenya on the coast of East Africa. Naming citation
Mombasa and defeated the relief force sent by the Portuguese. In 1632 Dom Jeronimo left Mombasa and became a pirate. That year the Portuguese returned and established direct rule over Mombasa. With the capture of Fort Jesus in 1698, the town came under the influence of the Imamate of Oman, subordinate to the Omani rulers on the island of Unguja, prompting regular local rebellions. Oman appointed three consecutive Governors (Wali in Arabic, Liwali in Swahili): Mombasa briefly returned to Portuguese rule by captain-major Álvaro Caetano de Melo Castro (12 March 1728 – 21 September 1729), then four new Omani Liwali until