A model of China's Tiangong-1 space station. Picture: AP/Kin Cheung
A model of China's Tiangong-1 space station. Picture: AP/Kin Cheung

Space station to hit Earth in hours

CHINA'S defunct Tiangong 1 space station hurtled toward earth overnight and was expected to re-enter the atmosphere within hours.

Based on the space station's orbit, it will come back to Earth somewhere 43 degrees north and 43 degrees south, a range covering most of the United States, China, Africa, southern Europe, Australia and South America. Out of range are Russia, Canada and northern Europe.

Only about 10 per cent of the bus-sized, 8.5-ton spacecraft will likely survive being burned up on re-entry, mainly its heavier components such as its engines.

China's falling space station Tiangong-1 can be seen in this radar image. Picture: Fraunhofer Institute FHR via AP
China's falling space station Tiangong-1 can be seen in this radar image. Picture: Fraunhofer Institute FHR via AP

The European Space Agency forecast that the station, whose name translates as "Heavenly Palace," will re-enter sometime between Monday morning and late evening. The Chinese space agency said it should happen during the course of Monday, Beijing time.

The Aerospace Corp. predicted Tiangong 1's re-entry would take place within two hours of either side of 10.18am AEDT.

Scientists said falling debris poses only a slight risk to people on the ground. The chances of any one person being hit by debris are considered less than one in a trillion.

Visitors look at a model of China's Tiangong-1 space station in Beijing. Picture: AP/Mark Schiefelbein
Visitors look at a model of China's Tiangong-1 space station in Beijing. Picture: AP/Mark Schiefelbein

Launched in 2011, Tiangong 1 was China's first space station, serving as an experimental platform for bigger projects, such as the Tiangong 2 launched in September 2016 and a future permanent Chinese space station. The station played host to two crewed missions and served as a test platform for perfecting docking procedures and other operations. Its last crew departed in 2013 and contact with it was cut in 2016.

The Tiangong-1 Chinese space station is likely to smash back down into Earth. Picture: Supplied
The Tiangong-1 Chinese space station is likely to smash back down into Earth. Picture: Supplied

Since then, it has orbited gradually closer and closer to Earth on its own while being monitored.

Many Western space experts think China has lost control of the station. China's chief space laboratory designer, Zhu Zongpeng, has denied Tiangong was out of control, but hasn't provided specifics on what, if anything, China was doing to guide the craft's return to Earth.

The Shenzhou-10 manned spacecraft is seen while conducting docking with the orbiting Tiangong-1. Picture: Beijing Aerospace Control Center/Xinhua via AP
The Shenzhou-10 manned spacecraft is seen while conducting docking with the orbiting Tiangong-1. Picture: Beijing Aerospace Control Center/Xinhua via AP


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