Early asteroid warning

If there were an asteroid heading this way, how much notice would you want? The Panoramic Survey Telescope & Rapid Response System reports that an “object” about 150 feet apart across is going to come within 4 million miles of earth next month. That’s a big miss, right? So how come it’s classified as a “potentially hazardous object?” Could forecasts be off by 4 million miles?

The object was discovered on September 16th. We’re hearing about it now.

Ruminations on this and other news of the day in today’s chat with Mary Lucia of the Current.

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