![]() The weak but persistent tug of gravity from other planets would tend to alter the asteroid’s orbit, moving it in closer or pulling it farther out from the Sun. Even though it orbits at the same distance from the Sun at the same speed, that kind of orbit is unstable. In general, it’s actually a bit tough to have a small object like an asteroid share an orbit with a big object like a planet. The cool news is, we may very well know more soon. But how many are there? There might be a lot, but we don’t know. ![]() Here’s a fun question: Are there asteroids sharing Earth’s orbit around the Sun?Ĭutting to the chase: Yes, there is at least one.
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