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87 Sylvia
Diameter: 170 miles (275 km)
Discovered in 1866, 87 Sylvia is one of the largest asteroids in the solar system. Measuring approximately 170 miles (275 km) in diameter, it is located in the outer asteroid belt, orbiting between Mars and Jupiter. It is also one of the most studied asteroids due to its large size and relative proximity to Earth. 87 Sylvia has a dark, primitive surface that reflects only about 7% of the sunlight it receives, making it one of the darkest asteroids known. It is also home to a large family of satellites, including two moons, Romulus and Remus, and a number of smaller bodies in orbit around it.
