103P/Hartley 2
103P/Hartley 2 (Comet). See its size, orbit and live position on a 3D map of the Solar System. Comet Hartley 2, designated 103P/Hartley by the Minor Planet Center, is a small periodic comet with an orbital period of 6.48 years.
Comet Hartley 2, designated 103P/Hartley by the Minor Planet Center, is a small periodic comet with an orbital period of 6.48 years. It was discovered by Malcolm Hartley in 1986 at the Schmidt Telescope Unit, Siding Spring Observatory, Australia. Its diameter is estimated to be 1.2–1.6 km (0.75–0.99 mi)
- Type: Comet
- Diameter: 1.6 km
- Orbital period: 6.5 years
- Eccentricity: 0.694