Asteroid
Interamnia
TypeAsteroid
Mass~3.5 × 10¹⁹ kg
Diameter317 km
Orbital Radius458 million km
Orbital Period1,950 days
Rotation Period8.72 hours
Known Moons0
Surface Gravity~0.03 m/s²
Average Temp-110 °C
AtmosphereNone
Discovered ByVincenzo Cerulli
Discovery Year1910
About Interamnia
The fifth most massive asteroid, spanning about 330 km. Seldom observed because of a dark surface and long distance from Earth.
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