NOTABLE ASTEROIDS & KBOS
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    Gaspra (minor planet 951)

    Gaspra
    The first asteroid to be seen close up when the Galileo spacecraft flew past it at a distance of 1,600 km, on Oct. 29, 1991, en route to Jupiter. Gaspra is a member of the Flora family, elongated and irregular in shape, and lacking any large craters, which suggests that it has a comparatively recent origin, most likely from the collisional breakup of a larger body some 300 to 500 million years ago. It was discovered by Grigoriy N. Neujamin in 1916 and named after a Russian resort and spa near Yalta, Crimea, that was visited by contemporaries such as Tolstoy and Gorky.


    Diameter 19 × 12 × 11 km
    Spectral class S
    Visual albedo 0.2
    Rotational period 7.04 hours
    Semimajor axis 2.209 AU
    Perihelion 1.828 AU
    Aphelion 2.592 AU
    Eccentricity 0.174 AU
    Inclination 4.10°
    Period 3.29 years


    Related category

       • NOTABLE ASTEROIDS, CENTAURS, AND KUIPER BELT OBJECTS



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