The new projected orbit of SpaceX founder Elon Musk's Tesla Roadster, launched into space on the Falcon Heavy rocket this week, isn't quite the journey to the asteroid belt that Musk suggested in a tweet. According to astronomers, the numbers were off a bit, and the Roadster won't quite make it to the asteroid belt after overshooting its planned orbit around Mars, but it will pass through the orbits of Earth, Mars, Venus and Mercury as it takes its own 18.8-month turn.
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