China's Yaogan-50 (02) Satellite Breaks Up, 43 Debris Pieces Detected in Earth Orbit

The Yaogan-50 (02) satellite was launched by China on 15 March 2026 using a Long March 6A rocket. The satellite was subsequently placed into an orbit approximately 952 kilometres above the Earth’s surface. Its path has an inclination of about 142 degrees and is classified as highly retrograde because it moves in the opposite direction to the Earth’s rotation.

Several months after launch, Yaogan-50 (02) underwent fragmentation. On 4 September, the United States Space Force recorded 43 pieces of debris originating from the broken satellite. The fragments are located at altitudes of roughly 600 to 1,100 kilometres above the Earth’s surface and still follow the orbital characteristics of the satellite’s previous path.

The Yaogan-50 series comprises remote sensing satellites which China says are used for national land surveys, crop yield estimation, and disaster prevention and mitigation.

The altitude of the debris is a matter of concern because it determines how long the objects can remain in orbit. Debris below 600 kilometres typically loses altitude more quickly due to atmospheric drag and can re-enter the Earth’s atmosphere within a few years.

However, at altitudes of around 800 kilometres, debris can persist for centuries. Meanwhile, objects above 1,000 kilometres have the potential to remain in orbit for thousands of years.

The presence of these 43 fragments also increases the likelihood of collisions with spacecraft or other objects in orbit. Collisions can generate new debris and further expand the amount of space junk.

To date, the cause of the fragmentation of Yaogan-50 (02) remains unknown. Possible explanations include a propulsion or battery system failure, or a collision with another object.

Source: Gizmodo