Comet
ISON
TypeComet
Mass~1 × 10¹² kg
Diameter2 km
Known Moons0
Surface Gravity~0.0001 m/s²
Average Temp-70 °C
AtmosphereH2O, CO2 (coma)
Discovered ByNevski and Novichonok
Discovery Year2012
About ISON
The comet of the century that was not, crumbling hours after passing 1.9 million km from the Sun on Thanksgiving Day 2013. Believed to be a first-time visitor from the Oort Cloud.
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