Out-of-control satellite, still active, threatens other spacecraft in geosynch orbit

By Peter B. de Selding

updated 38 minutes ago

PARIS - An adrift Intelsat satellite that stopped communicating with its ground controllers last month remains out of control and has begun moving eastward along the geostationary arc, raising the threat of interference with other satellites in its path, Intelsat and other industry officials said.

In what industry officials called an unprecedented event, Intelsat's Galaxy 15 communications satellite has remained fully "on," with its C-band telecommunications payload still functioning even as it has left its assigned orbital slot of 133 degrees west longitude 36,000 kilometers over the equator.

Galaxy 15 stopped responding to ground controllers on April 5. The satellite's manufacturer, Orbital Sciences Corp. of Virginia, has said an intense solar storm in early April may be to blame. It was launched into space in 2005.

Story continues: msnbc.msn.com

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