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The asteroid belt is the smallest and innermost known circumstellar disc in the Solar System. Classes of small Solar System bodies in other regions are the near-Earth objects, the centaurs, the Kuiper belt objects, the scattered disc objects, the sednoids, and the Oort cloud objects. About 60% of the main belt mass is contained in the four ...
Solar System belts are asteroid and comet belts that orbit the Sun in the Solar System in interplanetary space. [1][2] The Solar System belts' size and placement are mostly a result of the Solar System having four giant planets: Jupiter, Saturn, Uranus and Neptune far from the sun. The giant planets must be in the correct place, not too close ...
Dawn is a retired space probe that was launched by NASA in September 2007 with the mission of studying two of the three known protoplanets of the asteroid belt: Vesta and Ceres. [ 1 ] In the fulfillment of that mission—the ninth in NASA's Discovery Program — Dawn entered orbit around Vesta on July 16, 2011, and completed a 14-month survey ...
10 Hygiea is a major asteroid located in the main asteroid belt.With a mean diameter of between 425 and 440 km and a mass estimated to be 3% of the total mass of the belt, [11] it is the fourth-largest asteroid in the Solar System by both volume and mass, and is the largest of the C-type asteroids (dark asteroids with a carbonaceous surface) in classifications that use G type for 1 Ceres.
Vesta was the fourth asteroid to be discovered, hence the number 4 in its formal designation. The name Vesta, or national variants thereof, is in international use with two exceptions: Greece and China. In Greek, the name adopted was the Hellenic equivalent of Vesta, Hestia (4 Εστία); in English, that name is used for 46 Hestia (Greeks use ...
Asteroids, including those in the asteroid belt, have been suggested as possible sites of space colonization. [1] Motives include the survival of humanity, and the specific economic opportunity for asteroid mining. Obstacles include transportation distance, temperature, radiation, lack of gravity, and psychological issues.
2015 TC25 is a near-Earth asteroid, and at only 6 feet (1.8 meters) across and absolute magnitude 29.34 mag, it is thought to be the third smallest asteroid observed over multiple years, after 2021 GM 1 with absolute magnitude 30.4 and 2006 RH 120 with absolute magnitude 29.5. The asteroid is notable for reflecting about 60% of the light that ...
0.35 km (est. at 0.3) [5] Absolute magnitude (H) 19.228 [1] 2015 YU9, also known as 2015 YB [a] and WY032FF, is a sub-kilometer Hungaria asteroid from the inner region of the asteroid belt, approximately 350 meters in diameter. It was first observed on 16 December 2015, by the Catalina Sky Survey at Mount Lemmon Observatory in Arizona, United ...