SpaceX's Starman Roadster has ventured past Mars
According to models by Ben Pearson, the spaceborne dummy won't make a close approach to Earth until two years from now on November 4th, 2020, and even then it'll be 0.35AU (32 million miles) away. It'll be much closer to Mars, getting within 0.05AU (4.6 million miles) on October 6th of that year. You may not see a truly close Earth visit until 2091. Short of a purposeful encounter or an unexpected collision, Starman could be quite lonely for thousands or even millions of years.

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