Reply to post: One has been discovered according to Wikipedia.

NASA plans seven-year trip to Jupiter – can we come with you, please?

IT Poser

One has been discovered according to Wikipedia.

"2010 TK7 has a diameter of about 300 meters (1,000 ft).[4] Its path oscillates about the Sun–Earth L4 Lagrangian point (60 degrees ahead of Earth), shuttling between its closest approach to Earth and its closest approach to the L3 point (180 degrees from Earth) about every 400 years.

The asteroid was discovered in October 2010 by the NEOWISE team of astronomers using NASA's Wide-field Infrared Survey Explorer (WISE)."

I'm guessing there are probably more, most likely smaller, rocks we haven't found yet.

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