|Discovery and designation|
|Discovered by||T. Seki|
|Discovery date||November 10, 1990|
|Epoch May 14, 2008|
Its distance from the sun is 2.1890824 AU (Astronomical Units are roughly equivalent to the distance from earth to the sun). It has an eccentricity of 0.2487886 and an orbital period of 1,816.96 days (4.98 years).
Yokokurayama has an orbital speed average of 17.44788505 km/s and an inclination of 13.99221 thereof.
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