(9903) Leonhardt

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( 9903 ) Leonhardt is one of the major outer asteroid belt, which was discovered by the Italian-American astronomer Paul G. Comba on 4 July 1997 at the Prescott Observatory in Prescott, Arizona ( IAU code 684). An unconfirmed sighting (1976 UG6 ) of the asteroid, there had been already on 22 and 24 October 1976 September Japanese Kiso Observatory.

( 9903 ) was Leonhardt named after the Dutch harpsichordist, conductor and professor Gustav Leonhardt on April 2, 1999.

Orbital inclination Longitude of the ascending node Argument of periapsis Orbital speed Intrinsic brightness Minor planet designation Italian American Prescott (Arizona) Jet Propulsion Laboratory Pasadena, California Minor Planet Center International Astronomical Union Harvard–Smithsonian Center for Astrophysics Cambridge (Massachusetts)
20665
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