<p><b>波蘭星</b>（<span lang="en">Polona</span>）是第142顆被人類發現的小行星，於1875年1月28日發現。波蘭星的直徑為55.3千米，質量為1.8×10<sup>17</sup>千克，公轉周期為1373.038天。
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**波蘭星**（Polona）是第 142 顆被人類發現的小行星，於 1875 年 1 月 28 日發現。波蘭星的直徑為 55.3 千米，質量為 1.8×1017 千克，公轉周期為 1373.038 天。
1963_SA