7958 Leakey
eugene shoemaker
['joseph priestley', 'carl auer von welsbach', 'ingrid', 'edwin mcmillan', 'frederick scott archer', 'thorstein veblen', 'nikola tesla', 'werner heisenberg', 'kazuro watanabe', 'harry edwin wood', 'edwin hubble', 'mike brown', 'sir nigel gresley', 'nauchnyj', 'rudolf diesel', 'ernest rutherford', 'lee de forest', 'george westinghouse', 'anselm', 'ernst mayr', 'hendrik van gent', 'noam chomsky', 'stallman', 'urbain le verrier', 'microsoft', 'henri lebesgue', 'linear', 'george berkeley', 'robert luther', 'dmitri mendeleev', 'miguel itzigsohn', 'alexander grothendieck', 'cornelis johannes van houten', 'nanking', 'moog', 'sequoyah', 'henri cartan', 'blackberry', 'gerry anderson', 'ephraim shay', 'liisi oterma', 'malcolm mackerras', 'johan gadolin', 'marija gimbutas', 'carl wirtanen', 'arnold schoenberg', 'roger penrose', 'edward bowell', 'crimean astrophysical observatory', 'ptolemy', 'henry holt', 'purple mountain observatory', 'christopher latham sholes', 'marie curie', 'gotthold ephraim lessing', 'michael faraday', 'silas weir mitchell', 'franz anton mesmer', 'humphry davy', 'leibniz', 'sir alexander fleming', 'lyudmila chernykh', 'john grinder', 'urata', 'clyde tombaugh', 'egide walschaerts', 'hyperloop', 'seymour papert', 'eleanor helin', 'thomas newcomen', 'hermann goldschmidt', 'donald knuth', 'christopher cockerell', 'isaac newton', 'birmingham university', 'gustav rose', 'kirchhoff', 'vapnik', 'james dunlop', 'annibale de gasparis', 'carolyn shoemaker', 'vint cerf', 'bickley', 'albert einstein', 'georg cantor', 'gridshell', 'schelte bus', 'alessandro malaspina', 'sir arthur evans', 'august kopff', 'tom gehrels', 'george maciunas', 'chad trujillo', 'tycho', 'tsutomu seki', 'niels bohr', 'bartolomeo cristofori', 'oak ridge observatory', 'claude chappe']
7958 Leakey
7958 Leakey, provisional designation 1994 LE3, is a stony binary asteroid from the inner regions of the asteroid belt, about 3 kilometers in diameter. It was discovered by the American astronomer-couple Carolyn and Eugene Shoemaker at the U.S. Palomar Observatory in southern California, on 5 June 1994. The E-type asteroid is a member of the Hungaria family, which form the innermost dense concentration of asteroids in the Solar System. It orbits the Sun at a distance of 1.7–2.0 AU once every 2 years and 7 months (939 days). Its orbit shows an eccentricity of 0.08 and is tilted by 22 degrees to the plane of the ecliptic. According to observations carried out by the Wide-field Infrared Survey Explorer and its subsequent NEOWISE mission, the body has an albedo of 0.47, while the Collaborative Asteroid Lightcurve Link assumes a value of 0.30 – a somewhat more typical value for E-type asteroids. Two different light-curve analysis in 2012 and 2015, rendered a concurring and well-defined rotation period of 2.35 hours for the primary body. The asteroid's binary companion was discovered in 2012 with an orbital period of 2 days, 2 hours, and 17 minutes (50.24 h). It is likely that the secondary body is tidally locked, which means that its rotation is synchronous with its orbital period. Based on only two observations at the Palmer Divide Observatory, it is tentatively estimated that the size-ratio of the binary system is 0.3±0.03, which would give a 1-kilometer diameter for the satellite. The minor planet is named after the Leakey's, a family of Kenyan paleoanthropologists: Mary Leakey (1913–1996), her husband Louis Leakey (1903–1972), and their son Richard Leakey (b. 1944). Working for many years in Tanzania and Kenya, they conclusively proved that human evolution began in Africa rather than Asia. Richard explored the Koobi Fora archaeological site in Kenya, where many Hominin fossils have been found.