 The object was later identified as the lost artificial satellite SR-11A, or possibly its companion SR-11B, which were launched in 1976 and lost in 1979.On 8 April 2016, an object, given the temporary designation S509356, was discovered with an orbital period of 3.58 days.Although it has the typical area-to-mass ratio (m2/kg) of satellites, it has a color typical of S-type asteroids.