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Until 2001, most basaltic bodies discovered in the asteroid belt were believed to originate from the asteroid Vesta (hence their name V-type), but the discovery of the asteroid 1459 Magnya revealed a slightly different chemical composition from the other basaltic asteroids discovered until then, suggesting a different origin. [80]
2114 Wallenquist, provisional designation 1976 HA, is a Themistian asteroid from the outer region of the asteroid belt, approximately 28 kilometers in diameter. It was discovered by Swedish astronomer Claes-Ingvar Lagerkvist at the Australian Mount Stromlo Observatory near Canberra, on 19 April 1976. [12]
2069 Hubble, provisional designation 1955 FT, is a carbonaceous asteroid from the outer region of the asteroid belt, approximately 40 kilometers in diameter.It was discovered on 29 March 1955, by the Indiana Asteroid Program at Goethe Link Observatory, United States, and named after American astronomer Edwin Hubble.
Olbers commenced his search in 1802, and on 29 March 1807 he discovered Vesta in the constellation Virgo—a coincidence, because Ceres, Pallas, and Vesta are not fragments of a larger body. Because the asteroid Juno had been discovered in 1804, this made Vesta the fourth object to be identified in the region that is now known as the asteroid belt.
The total mass of the asteroid belt is estimated to be 2.39 × 10 21 kg, which is just 3% of the mass of the Moon; the mass of the Kuiper Belt and Scattered Disk is over 100 times as large. [48] The four largest objects, Ceres, Vesta, Pallas, and Hygiea, account for maybe 62% of the belt's total mass, with 39% accounted for by Ceres alone.
The asteroid 2024 PT5 as the name suggests was only discovered last month by scientists who are part of the Asteroid Terrestrial-Impact Last Alert System. ... the Arjuna asteroid belt, a sparse ...
Juno (minor-planet designation: 3 Juno) is a large asteroid in the asteroid belt.Juno was the third asteroid discovered, in 1804, by German astronomer Karl Harding. [15] It is tied with three other asteroids as the thirteenth largest asteroid, and it is one of the two largest stony asteroids, along with 15 Eunomia.
It was the second numbered discovery made by Bruwer. He also discovered the minor planets 1658 Innes, 1794 Finsen, and 3284 Niebuhr. The asteroid 1811 Bruwer was named in his honour by the Dutch, Dutch-American astronomer trio of the Palomar–Leiden survey. [12]