Some reports have speculated, based on its unusual powered maneuvers, that it may be an experimental anti-satellite weapon, satellite maintenance vehicle, or collector of space debris.[5][3][6]Chatham House research director and space security expert Patricia Lewis stated that "whatever it is, [Object 2014-028E] looks experimental."[7]
In December 2021 USSPACECOM catalogued 18 debris associated with Kosmos 2499.[10]
On February 6, 2023, US Space Command confirmed that the breakup of Kosmos 2499 had occurred on January 4, 2023, at 03:57 UTC. They catalogued 85 associated pieces, orbiting at 1,169 kilometres (726 mi) altitude.[11]
^Graff, Garrett M. (June 26, 2018). "The New Arms Race Threatening to Explode in Space". Wired. In the years since, Object 2014-28E has been joined by similar space objects of Russian provenance. Analysts fear that they might mark the revival of a Russian program known as Satellite Killer, which was shut down after the Cold War.
Launches are separated by dots ( • ), payloads by commas ( , ), multiple names for the same satellite by slashes ( / ). Crewed flights are underlined. Launch failures are marked with the † sign. Payloads deployed from other spacecraft are (enclosed in parentheses).