Explanation

D is correct because the Tiangong space station has been known to perform avoidance maneuvers due to Starlink constellations. A is incorrect because NASA is an agency, not a specific satellite constellation causing close encounters. B is incorrect because INCOSPAR is an organization that coordinates space debris mitigation, not a single satellite source. C is incorrect because Sputnik1 was an early satellite and not the primary source of recent close approaches.