Comet Hartley is the name of: *

100P/Hartley 100P/Hartley, also known as Hartley 1, is a periodic, Jupiter family comet in the Solar System The Solar SystemCapitalization of the name varies. The International Astronomical Union, the authoritative body regarding astronomical nomenclatu ...

or Hartley 1 *

103P/Hartley Comet Hartley 2, designated as 103P/Hartley by the Minor Planet Center, is a small periodic comet with an orbital period of 6.46 years. It was discovered by Malcolm Hartley in 1986 at the Schmidt Telescope Unit, Siding Spring Observatory, Au ...

or Hartley 2 * or Hartley 3

See also