Soviet Salyut 1973, A report on an unidentified aerial object

Summary

In May 1973, an observer in Australia reported an unidentified aerial object, later identified as debris from the Soviet space station Salyut. This incident occurred amid a series of technical failures in the Salyut mission, including a violent breakup that divided the spacecraft into 15-25 pieces. Some of these pieces had already decayed from orbit, but at least three provided tracking data shortly after the failure. The failure likely occurred when the spacecraft was out of communication range, preventing the Soviets from obtaining reliable data on the cause of the accident. The destruction of the spacecraft was violent enough to fragment it into multiple pieces, some of which remained in orbit and were expected to re-enter Earth's atmosphere by September.

The destruction of the Salyut could have resulted from an explosion or an uncontrolled thruster that caused the spacecraft to tumble too violently for its solar panels and other components. The rapid decay of some debris supports the theory of an explosion that applied retrograde forces to certain fragments. This incident had significant implications for the Soviet space program, affecting both confidence in the space station and planning for future manned missions. The loss of the Salyut had a greater impact on the Soviet program than the death of three crew members in a previous mission, marking the fourth failure in two years for a Soviet space station.