Comet
Tempel 1
TypeComet
Mass7.9 × 10¹³ kg
Diameter6 km
Orbital Radius313 million km
Orbital Period2,024 days
Rotation Period41 hours
Known Moons0
Surface Gravity~0.0001 m/s²
Average Temp-70 °C
AtmosphereH2O, CO2, organics
Discovered ByWilhelm Tempel
Discovery Year1867
About Tempel 1
Target of NASA Deep Impact mission in 2005, which launched an impactor into its surface. Later visited again by Stardust-NExT in 2011 to image the impact crater. Surface has smooth and rough terrain. Impact excavated a crater about 150 meters wide.
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