Asteroid
One of the largest bodies in the asteroid belt, bright enough to sometimes be seen with the naked eye.
| Type | Asteroid |
|---|---|
| Distance from the Sun | 2.36 AU |
| Diameter | 525 km |
| Mass | 2.59 × 10²⁰ kg |
| Temperature | -92°C |
| Orbital period | 1,325 days |
| Rotation period | 5.342 hours |
| Apparent magnitude | 5.1 |
| Redshift | 0 |
| Discovered | 1807 |
Asteroids are rocky leftovers from the solar system's formation, most of them confined to the belt between Mars and Jupiter where Jupiter's gravity kept them from ever assembling into a planet.
At 525 km across, Vesta is 4.1 percent of the diameter of Earth.
Its mass is less than a thousandth of the mass of Earth.
It keeps an average distance of 2.36 AU from the Sun, so sunlight takes 20 minutes to reach it.
A single orbit takes 3.6 years.
An average temperature of 181 K works out at -92 degrees Celsius, colder than the 15 degrees Earth averages.
It has been on record since 1807.
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