Comet

Holmes

TypeComet

Mass~2 × 10¹³ kg

Diameter3.6 km

Orbital Radius541 million km

Orbital Period2,513 days

Known Moons0

Surface Gravity~0.0001 m/s²

Average Temp-70 °C

AtmosphereH2O, dust (coma)

Discovered ByEdwin Holmes

Discovery Year1892

About Holmes

Faint until it erupted a millionfold brighter in 42 hours in October 2007, becoming a naked-eye fuzzy ball whose shell briefly grew larger than the Sun.

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