(1972) Yi Xing

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1964 VQ1. Discovered 1964 Nov. 9 at the Purple Mountain Observatory at Nanking.

Named for Yi Xing or I Hsing (683–727), also known as Zhang Sui. This famous Chinese astronomer of the Tang dynasty constructed a bronze armillary sphere for measuring stellar altitudes, and he conducted a large-scale latitude-measurement project in many places across China. He also reformed the Chinese calendrical system. (M 4420)