Comet 109P/Swift-Tuttle

Comet Swift-Tuttle is one of the largest comets orbiting Sol today.^[1]

It is named after Lewis Swift and Horace Tuttle, who independently reported it in 1862.^[1] Its orbit is approximately 133 years. It is 16 miles (26 km) in diameter.

Swift-Tuttle is the source of the Perseid meteor shower.^[1]

References

↑ ^1.0 ^1.1 ^1.2 "109P/Swift-Tuttle". NASA Science. 2017-11-29. Archived from the original on 2023-10-14. Retrieved 2026-06-07. Swift-Tuttle is a large comet – its nucleus is 16 miles (26 kilometers) across. (That is more than twice the size of the object hypothesized to have led the demise of the dinosaurs.)

[NasaSwiftTuttle2017-11-29-1] 1.0 ^1.1 ^1.2 "109P/Swift-Tuttle". NASA Science. 2017-11-29. Archived from the original on 2023-10-14. Retrieved 2026-06-07. Swift-Tuttle is a large comet – its nucleus is 16 miles (26 kilometers) across. (That is more than twice the size of the object hypothesized to have led the demise of the dinosaurs.)

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