Asteroid
Vesta
TypeAsteroid
Mass2.59 × 10²⁰ kg
Diameter525 km
Orbital Radius353 million km
Orbital Period1,325 days
Rotation Period5.34 hours
Known Moons0
Surface Gravity0.25 m/s²
Average Temp-20 °C
AtmosphereNone
Discovered ByHeinrich Olbers
Discovery Year1807
About Vesta
The second largest asteroid and brightest seen from Earth. Has a massive impact crater (Rheasilvia) at its south pole. Visited by Dawn spacecraft in 2011-2012. Probably a protoplanet that never fully formed. Contributes about 6% of all meteorites found on Earth.
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