Tempel 1
Comet
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Tempel 1 is a periodic Jupiter-family comet discovered by Wilhelm Tempel in 1867. It completes an orbit of the Sun every 5.6 years. Tempel 1 was the target of the Deep Impact space mission, which photographed a deliberate high-speed impact upon... Wikipedia
Orbital period: 2,038 days
Radius: 1.8641 mi
Discovered: April 3, 1867
Discoverers: Wilhelm Tempel and Brian G. Marsden
Perihelion: 1.545 AU; (1.77 AU after 2024 Jupiter approach)
Aphelion: 4.757 AU
Earth MOID: 0.52 AU (78 million km)