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... According to the Kenya Space Agency, the object weighed 1,100 pounds (500 kg) and had a diameter of more than 8 feet (2.4 meters) when measured after it landed on December 30. A couple of days later, the space agency confidently reported that the object was a piece of space debris, saying it was a ring that separated from a rocket. "Such objects are usually designed to burn up as they re-enter the Earth's atmosphere or to fall over unoccupied areas, such as the oceans," the space agency told The New York Times.

Since those initial reports were published in Western media, a small band of dedicated space trackers have been using open source data to try to identify precisely which space object fell into Kenya. So far, they have not been able to identify the rocket launch to which the large ring can be attributed. ...