It gives a brief definition of each concept and its relationships. Asteroids and meteorites, Size, color and spin", "Discovery Circumstances: Numbered Minor Planets", https://infogalactic.com/w/index.php?title=253_Mathilde&oldid=31593, Pages with citations using unsupported parameters, Creative Commons Attribution-ShareAlike License, About Infogalactic: the planetary knowledge core. [8] No differences in brightness or colour were visible in the craters and there was no appearance of layering, so the asteroid's interior must be very homogeneous. This asteroid was visited by the NEAR Shoemaker spacecraft during June 1997, on its way to asteroid 433 Eros. Asteroid 253 Mathilde is found to have a collisional lifetime of approximately 4 billion years, essentially indistinguishable from the age of the Solar System. Unionpedia is a concept map or semantic network organized like an encyclopedia – dictionary. Damodar, a 20km-wide crater on 253 Mathilde. [5] The same is true of several C-type asteroids studied by ground-based telescopes equipped with adaptive optics systems (45 Eugenia, 90 Antiope, 87 Sylvia and 121 Hermione). It has a relatively elliptical orbit that requires more than four years to circle the Sun. It's a tool, resource or reference for study, research, education, learning or teaching, that can be used by teachers, educators, pupils or students; It has a relatively elliptical orbit that requires more than four years to circle the Sun.This asteroid has an unusually slow rate of rotation, requiring 17.4 days to complete a 360° revolution about its axis. The impacts appear to have blown big volumes off the asteroid, as suggested by the angular edges of the craters. It also has one of the slowest rotation periods of the known asteroids—most asteroids have a rotation period in the range of 2–24 hours. [11] The low interior density is an inefficient transmitter of impact shock through the asteroid, which also helps to preserve the surface features to a high degree. By this point Johann had already discovered 27 asteroids, and he would employ the Vienna 27-inch (690 mm) and 12-inch (300 mm) instruments to find an additional 94 asteroids before he retired. Im Juni 1997 flog die Raumsonde NEAR-Shoemaker in 2.400 km Entfernung an Mathilde vorbei und sandte fotografische Aufnahmen zur Erde.. This close approach allowed the spacecraft to capture over 500 images of the surface,[8] and provided data for more accurate determinations of the asteroid's dimensions and mass (based on gravitational perturbation of the spacecraft). This asteroid has an unusually slow rate of rotation, requiring 17.4 days to complete a 360° revolution about its axis. The asteroid has a number of very big craters, with the individual craters being named for coal fields and basins around the world. Available in English, Spanish, Portuguese, Japanese, Chinese, French, German, Italian, Polish, Dutch, Russian, Arabic, Hindi, Swedish, Ukrainian, Hungarian, Catalan, Czech, Hebrew, Danish, Finnish, Indonesian, Norwegian, Romanian, Turkish, Vietnamese, Korean, Thai, Greek, Bulgarian, Croatian, Slovak, Lithuanian, Filipino, Latvian, Estonian and Slovenian. Im Juni 1997 flog die Raumsonde NEAR-Shoemaker in 2.400 km Entfernung an Mathilde vorbei und sandte fotografische Aufnahmen zur Erde. for the academic world: for school, primary, secondary, high school, middle, technical degree, college, university, undergraduate, master's or doctoral degrees; (253) Mathilde ist ein Asteroid des Asteroidenhauptgürtels mit einem mittleren Durchmesser von etwa 50 km. All the information was extracted from Wikipedia, and it's available under the Creative Commons Attribution-ShareAlike License. On June 27, 1997, the NEAR Shoemaker spacecraft passed within 1,212 km of 253 Mathilde while moving at a velocity of 9.93 km/s. 253 Mathilde /məˈtɪldə/ is a main-belt asteroid about 50 km in diameter that was discovered by Johann Palisa in 1885. 253 Mathilde is an asteroid in the intermediate asteroid belt, approximately 50 kilometers in diameter, that was discovered by Austrian astronomer Johann Palisa at … for papers, reports, projects, ideas, documentation, surveys, summaries, or thesis. Die Oberfläche von Mathilde ist sehr dunkel, schwärzer als Kohle.
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