Science
Chinese rocket breaks apart after megaconstellation launch, creating cloud of space junk
The first launch for a coming Chinese internet megaconstellation turned out to be quite messy.
Last Tuesday (Aug. 6) a Chinese Long March 6A rocket launched the first 18 satellites for the Qianfan ("Thousand Sails") broadband network, which will eventually host up to 14,000 spacecraft.
The rocket successfully delivered the satellites to low Earth orbit (LEO), at an altitude of about 500 miles (800 kilometers). But its upper stage broke apart shortly thereafter, generating a cloud of debris that's now racing around our planet, according to United States Space CoMMAnd (USSPACECOM).
"USSPACECOM can confirm the breakup of a Long March 6A rocket launched on Aug. 6, 2024, resulting in over 300 pieces of trackable debris in low Earth orbit," the organization said in a statement on Aug. 8. "USSPACECOM has observed no immediate threats and continues to conduct routine conjunction assessments to support the safety and sustainability of the space domain."
"Trackable debris" is generally any object that's at least 4 inches (10 centimeters) in diameter. The newly spawned debris cloud doubtless also contains many shards that are too small to monitor.
This was a worrisome start for the Thousand Sails constellation, according to Slingshot Aerospace, a California-based company dedicated to advancing space domain awareness and sustainability.
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