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Vesta
Vesta
Adjective(s) Unknown
Orbital properties
Aphelion/apoapsis 2.571 AU (384.72 Gm)
Perihelion/periapsis 2.1526 AU (321.82 Gm)
Semi-major axis 2.362 AU (353.268 Gm)
Orbital eccentricity 0.08862
Orbital period 3.63 a (1325.85 d)
Average orbital speed 19.34 km/s
Physical properties
Radius Unknown
Mass (2.59076±0.00001)×1020 kg
Mean density 3.456 g/cm³
Escape velocity Unknown
Rotation period 0.2226 d (5.342 h)
Average surface temperature min: 85 K (−188 °C)

max: 270 K (−3 °C)

Apparent magnitude 3.20
Moons 0
Vesta
4 Vesta is a large asteroid in our Solar System.

HistoryEdit

Vesta was discovered on March 29, 1807 by Heinrich Wilhelm Olbers. It one of the oldest bodies in the Solar System, so it is studdied a lot to understand what the early Solar System was like. In its past it was bombarded by smaller asteroids. In 2011, NASA sent the Dawn spacecraft to visit Vesta and take pictures of it.

TriviaEdit

  • Vesta is the third largest asteroid by diameter.
  • Vesta might be a baby planet that cannot form into a full fledged planet because of Jupiter's gravitational pull.
  • Vesta is the second most massive object in the Asteroid Belt.
  • Vesta accounts for 9% of the mass in the asteroid belt.
  • Vesta was the fourth asteroid discovered.
  • A Vestan day lasts 5.342 hours.
  • Vesta is one of the only bodies in space we have samples from.
  • The highest peak on Vesta, and the entire Solar System, is Rheasilvia (22 km/14 miles high).
    • Rheasilvia was made when a giant asteroid hit the baby planet, and the mound in the middle of the crater was the large mountain.

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