Asteroid

An asteroid is a minor planet that orbits within the inner solar system. It is a small object in the Solar System that travels around the Sun. It is like...

The Simple English Wiktionary has a definition for: asteroid belt. The asteroid belt or main belt is a ring of small and large rocks and dust between...

The Apollo asteroids are a group of asteroids near Earth named after 1862 Apollo, the first asteroid of this group to be discovered by Karl Wilhelm Reinmuth...

Lincoln Near-Earth Asteroid Research (LINEAR) project is a project that is used for the finding and tracking of near-Earth asteroids. The project is done...

An amor asteroid is a group of asteroids found near Earth that were named after 1221 Amor. While some other kinds of asteroids cross over Mars' and Earth's...

around an even more massive central object. The best known example are the asteroids that orbit ahead or behind Jupiter around the Sun. Trojan objects do not...

The Cybele asteroids are a group of asteroids in the asteroid belt with an orbital radius usually between 3.27 AU and 3.7 AU, with an orbital eccentricity...

An asteroid moon is an asteroid that orbits or goes around another asteroid. Asteroid moons are quite rare. Only 2% of asteroids are thought to have moons...

Near-Earth asteroids (NEAs) are asteroids whose orbits are close to Earth's orbit. A few tens of thousands have been found. Sometimes one crashes into...

The standard asteroid physical characteristics of an asteroid include, but can also include things other than: diameter, mass, density, surface gravity...

Near-Earth Asteroid Tracking (NEAT) was a program run by NASA and the Jet Propulsion Laboratory. They surveyed the sky for near-Earth objects. NEAT was...

S-type asteroid is an asteroid that is mainly silicaceous, or made of a lot of silicon. This is why it is called an S-type. About 17% of all asteroids are...

Asteroid impact avoidance is a method to destroy near-Earth objects (NEO) which are on a potential collision course with Earth. This method includes launching...

Iris (7 Iris) is a large asteroid. It orbits the Sun between Mars and Jupiter in the solar system's main asteroid belt. It is a remnant planetesimal. It...

Asteroid impact prediction warns about asteroids hitting Earth, and when and where they will hit the Earth. Most asteroids will not hit Earth. Asteroid...

C-type asteroids are asteroids made of carbonates. They are the most common variety taking up around 75% of known asteroids, and an even higher percentage...

Thangjam Asteroid, also known as 11806 Thangjam, is an asteroid, named after the Manipuri scientist, "Thangjam Guneshwar". The declaration was made at...

Hebe /ˈhiːbiː/ ( 6 Hebe) is a large asteroid. It orbits the Sun in our solar system's asteroid belt. It has around 0.5% of the mass of the belt. Hebe is...

Asteroids are assigned a type based on spectral shape, color, and sometimes albedo. These types are thought to correspond to an asteroid's surface composition...

The Flora family of asteroids is a big group of S-type asteroids in the closer part of the main belt, whose origin and properties are not well understood...