http://www.satview.org/?sat_id=37820U
1.36am: Tiangong-1 is set to pass over Uruguay within minutes.
The space station is set to pass over the Uruguay capital of Montevideo and the capital of Argentina, Buenos Aires.
Mr McDowell said: In 10 minutes plus or minus a few, should get a pass near Montevideo and Buenos Aires.
1.32am: Chinese space station is set to cross the Chiles coast
The Tiangong-1 is set to pass over the coast of Chile at 1.32am, according to astronomer McDowell.
However, he admitted that the orbit of the station has probably changed, meaning forecast are most likely off by several minutes.
He tweeted: Based on the now old orbit data, prediction is that Tiangong will cross the Chilean coast at 0032 UTC (1.32GMT).
But the predictions are probably off by several minutes now as the orbit will have greatly changed.