China’s secret space plane emits strong signal to the ground when passing North America: satellite tracker
The secretive Chinese plane, which is seen as a counterpart of the US military space plane X-37B, has been followed closely by satellite trackers around the world since it took off from the Gobi Desert last Thursday.
According to Tilley and a team in Switzerland that specialises in optical-band space surveillance, the launch on Thursday resulted in at least six objects now flying in low Earth orbit.
That included the space plane itself, Tilley said, which he designated object A and appeared to be very bright with a stable attitude control.
There was likely to be a pair of satellites (objects D and E) that were released by the plane and gave off radio signals similar to object A, “but without any form of data, just idle filler”, he said.
Tilley said that while the purpose of the satellite duo remained unknown, one possibility was that they could be used to “test rendezvous and retrieval operations”.
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There was also debris belonging to the Long March 2F rocket that lifted the space plane into orbit.
Among them, object B was “very bright” and its light curve pointed to a rocket upper stage, the European team wrote on the social media platform X (formerly Twitter). Objects C and F also seemed to be rocket debris because they were tumbling and dim, Tilley said.
It is the Chinese plane’s third mission following a two-day maiden flight in 2020 and a second flight which lasted nine months. The plane reportedly released mysterious objects during both previous missions.
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There have been no official images or details of the plane. It is not known how long the current mission will last.