Asteroid
One of the largest main-belt asteroids not yet visited by any spacecraft, named after the Latin name for Teramo, Italy.
| Type | Asteroid |
|---|---|
| Distance from the Sun | 3.06 AU |
| Diameter | 332 km |
| Mass | 3.50 × 10¹⁹ kg |
| Temperature | -109°C |
| Orbital period | 1,955 days |
| Rotation period | 8.727 hours |
| Apparent magnitude | 10.3 |
| Redshift | 0 |
| Discovered | 1910 |
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 332 km across, 704 Interamnia is 2.6 percent of the diameter of Earth.
Its mass is less than a thousandth of the mass of Earth.
It keeps an average distance of 3.06 AU from the Sun, so sunlight takes 25 minutes to reach it.
A single orbit takes 5.4 years.
An average temperature of 164 K works out at -109 degrees Celsius, colder than the 15 degrees Earth averages.
It has been on record since 1910.
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