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2025 PN7 \u7684\u8f68\u9053\u59cb\u7ec8\u4e0e\u5730\u7403\u4fdd\u6301\u76f8\u5f53\u63a5\u8fd1\u3002\uff08\u56fe\u7247\u6765\u6e90\uff1aNASA\/JPL\uff09<\/span><\/p>\n

\u4e0d\u73cd\u60dc\u5c31\u6ca1\u4e86\u3002<\/section>\n


\u64b0\u6587 | \u51ac\u9e22
\u5ba1\u6821 | \u738b\u6631<\/p>\n

<\/strong><\/p>\n\n\n

1991\u5e7411\u67086\u65e5\uff0c\u7f8e\u56fd\u592a\u7a7a\u76d1\u6d4b\u8ba1\u5212\uff08Spacewatch Project\uff09\u76d1\u6d4b\u5230\u7684\u8fd1\u5730\u5929\u4f53\uff08near earth objects\uff091991 VG\u5f15\u53d1\u4e86\u524d\u6240\u672a\u6709\u7684\u731c\u6d4b\u548c\u4e89\u8bae<\/strong>\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

1991 VG\uff08\u56fe\u7247\u6765\u6e90\uff1aOlivierHainaut – CC BY-SA 4.0<\/a>\uff09<\/span><\/p>\n\n\n\n

1991 VG\u7684\u8fd0\u884c\u8f68\u9053\u548c\u5730\u7403\u51e0\u4e4e\u4e00\u81f4\uff0c\u4eff\u4f5b\u6f5c\u4f0f\u5728\u5730\u7403\u5468\u56f4\uff0c\u6084\u6084\u5730\u89c2\u5bdf\u7740\u6211\u4eec<\/strong>\u3002\u5728\u9996\u6b21\u88ab\u89c2\u5bdf\u5230\u4e00\u4e2a\u6708\u540e\uff0c\u5b83\u4e0e\u5730\u7403\u8fd1\u8ddd\u79bb\u76f8\u9047\uff0c\u8ddd\u79bb\u4ec5\u7ea60.0031\u5929\u6587\u5355\u4f4d\uff0c\u6b21\u65e5\u53c8\u4e0e\u6708\u7403\u8fd1\u8ddd\u79bb\u76f8\u9047\uff1b\u968f\u540e\u82e5\u9690\u82e5\u73b0\uff0c\u79d1\u5b66\u5bb6\u53ea\u80fd\u5076\u5c14\u89c2\u5bdf\u5230\u5b83\u3002<\/p>\n\n\n\n

1992\u5e744\u6708\u4e4b\u540e\u79d1\u5b66\u5bb6\u5c31\u518d\u4e5f\u6ca1\u6709\u89c2\u6d4b\u5230\u8fc71991 VG\uff0c\u76f4\u52302017\u5e745\u670830\u65e5\uff0c\u5929\u6587\u5b66\u5bb6\u4f7f\u7528\u751a\u5927\u671b\u8fdc\u955c\u53c8\u518d\u6b21\u89c2\u5bdf\u5230\u4e86\u5b83\u3002<\/p>\n\n\n\n

\u5728\u8fd9\u4e8c\u5341\u4f59\u5e74\u95f4\uff0c\u79d1\u5b66\u5bb6\u5bf9\u8fd9\u4e2a\u5929\u4f53\u7684\u771f\u5b9e\u8eab\u4efd\u6709\u7740\u4f17\u591a\u731c\u6d4b\u3002\u6709\u4eba\u8ba4\u4e3a\uff0c\u5b83\u662f\u4eba\u9020\u7684\uff1b\u8fd8\u6709\u4e0d\u5c11\u4eba\u8ba4\u4e3a\uff0c\u5b83\u53ef\u80fd\u662f\u6765\u81ea\u5916\u661f\u7684\u592a\u7a7a\u63a2\u6d4b\u5668<\/strong>\uff0c\u6b63\u5728\u79d8\u5bc6\u76d1\u89c6\u7740\u5730\u7403\u3002<\/p>\n\n\n\n


\u6a21\u4eff\u6708\u4eae\u7684\u8f68\u8ff9<\/strong><\/span><\/mark><\/strong><\/p>\n\n\n\n

\u4f46\u8d8a\u6765\u8d8a\u591a\u7684\u89c2\u6d4b\u6570\u636e\u548c\u5206\u6790\u8868\u660e\uff0c1991 VG\u5e94\u8be5\u662f\u5b87\u5b99\u4e2d\u81ea\u7136\u5f62\u6210\u7684\u7269\u4f53\uff0c\u5e76\u975e\u6765\u6e90\u4e8e\u4eba\u7c7b\u6216\u5916\u661f\u4eba\u3002\u5b9e\u9645\u4e0a\uff0c\u8bb8\u591a\u5c0f\u884c\u661f\u7684\u8fd0\u884c\u8f68\u9053\u90fd\u4e0e\u5730\u7403\u76f8\u4f3c<\/strong>\uff0c\u800c1991 VG\u53ea\u662f\u5176\u4e2d\u4e4b\u4e00\u3002<\/p>\n\n\n\n

\u5728\u8fd9\u4e9b\u5c0f\u884c\u661f\u4e2d\uff0c\u6709\u4e00\u7c7b\u5341\u5206\u7279\u6b8a\uff0c\u4ece\u5730\u7403\u4e0a\u770b\uff0c\u5b83\u4eec\u597d\u50cf\u548c\u6708\u4eae\u4e00\u6837\uff0c\u7ed5\u7740\u6211\u4eec\u65cb\u8f6c\u3002\u4f46\u5b83\u4eec\u5e76\u4e0d\u662f\u5730\u7403\u771f\u6b63\u610f\u4e49\u4e0a\u7684\u536b\u661f\uff0c\u56e0\u4e3a\u5b83\u4eec\u5e76\u4e0d\u50cf\u6708\u4eae\u90a3\u822c\u53d7\u5730\u7403\u5f15\u529b\u675f\u7f1a<\/strong>\u3002\u5b83\u4eec\u5b9e\u9645\u4e0a\u4ecd\u7136\u5728\u7ed5\u7740\u592a\u9633\u65cb\u8f6c\uff0c\u53ea\u662f\u4e0e\u5730\u7403\u4fdd\u6301\u7740\u51e0\u4e4e\u76f8\u540c\u5468\u671f\u7684\u5171\u632f\u8f68\u9053\uff08resonance orbit\uff09\uff0c\u603b\u662f\u5728\u5730\u7403\u9644\u8fd1\u5f98\u5f8a\uff0c\u56e0\u6b64\u8fd0\u52a8\u8f68\u8ff9\u5f88\u50cf\u5730\u7403\u7684\u536b\u661f\u3002\u8fd9\u7c7b\u5c0f\u884c\u661f\u53eb\u505a\u201c\u7c7b\u536b\u661f\u201d\uff08quasimoon\uff09<\/strong>\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u7c7b\u536b\u661f\u8f68\u9053\u56fe\u793a\uff08\u56fe\u7247\u6765\u6e90\uff1aDlrohrer2003 – CC0<\/a>\uff09<\/span><\/p>\n\n\n\n

\u7c7b\u536b\u661f\u4e0e\u5730\u7403\u51e0\u4e4e\u8d70\u5728\u540c\u4e00\u6761\u592a\u9633\u8f68\u9053\u4e0a\uff0c\u65f6\u800c\u9886\u5148\uff0c\u65f6\u800c\u843d\u540e\uff0c\u6709\u65f6\u8fd8\u4f1a\u753b\u51fa\u5947\u7279\u7684\u73af\u5f62\u8f68\u8ff9\u3002\u5b83\u4eec\u5e76\u4e0d\u4f1a\u6c38\u8fdc\u966a\u7740\u5730\u7403\uff0c\u5728\u4e00\u6bb5\u65f6\u95f4\u540e\uff0c\u5b83\u4eec\u6700\u7ec8\u4f1a\u79bb\u5f00\u201c\u7c7b\u536b\u661f\u201d\u7684\u72b6\u6001\uff0c\u6f02\u5411\u65b0\u7684\u8f68\u9053\u3002<\/p>\n\n\n\n

\u6b64\u524d\uff0c\u8bb0\u5f55\u5728\u6848\u7684\u73b0\u5b58\u5730\u7403\u7c7b\u536b\u661f\u5171\u67097\u9897\uff0c\u4f461\u4e2a\u6708\u524d\uff0c\u79d1\u5b66\u5bb6\u53c8\u89c2\u5bdf\u5230\u4e86\u7b2c8\u9897\u2014\u20142025 PN7<\/strong>\u3002\u8fd9\u662f\u8fc4\u4eca\u53d1\u73b0\u7684\u6700\u5c0f\u7c7b\u536b\u661f\uff0c\u957f\u5ea6\u53ef\u80fd\u624d\u7ea616\u7c73\u3002\u76f8\u5173\u7814\u7a76\u51e0\u5468\u524d\u53d1\u8868\u5728\u4e86\u300a\u7f8e\u56fd\u5929\u6587\u5b66\u4f1a\u7814\u7a76\u7b14\u8bb0\u300b\uff08Research Notes of The American Astronomical Society<\/em>\uff09\u4e0a\u3002<\/p>\n\n\n\n

\u79d1\u5b66\u5bb6\u56de\u987e\u8fc7\u5f80\u6570\u636e\uff0c\u53d1\u73b02014\u5e74\u5c31\u66fe\u6709\u8fc72025 PN7\u7684\u89c2\u5bdf\u8bb0\u5f55\u3002\u800c\u8fdb\u4e00\u6b65\u5206\u6790\u53d1\u73b0\uff0c\u5927\u7ea660\u5e74\u524d\uff0c2025 PN7\u5c31\u5f00\u59cb\u4ee5\u7c7b\u536b\u661f\u7684\u8eab\u4efd\u4f34\u7740\u5730\u7403\u821e\u52a8\u4e86<\/strong>\u3002\u6a21\u62df\u663e\u793a\uff0c\u5b83\u603b\u5171\u4f1a\u5728\u5730\u7403\u8f68\u9053\u4e0a\u505c\u7559126\u5e74\uff0c\u5e76\u53ef\u80fd\u4e8e2083\u5e74\u79bb\u5f00\u5730\u7403\u8f68\u9053\uff0c\u5931\u53bb\u77ed\u6682\u7684\u7c7b\u536b\u661f\u8eab\u4efd\u3002<\/p>\n\n\n\n


\u5171\u8f68\u5176\u4ed6\u5c0f\u884c\u661f<\/strong><\/span><\/mark><\/strong><\/p>\n\n\n\n

\u7c7b\u536b\u661f\u5c5e\u4e8e\u5730\u7403\u5171\u8f68\u5c0f\u884c\u661f\uff08earth co-orbital asteroids\uff09\u7684\u4e00\u79cd\uff0c\u8fd9\u7c7b\u5c0f\u884c\u661f\u4f1a\u4e0e\u5730\u7403\u4fdd\u6301\u76f8\u540c\u6216\u5341\u5206\u76f8\u4f3c\u7684\u516c\u8f6c\u5468\u671f\u3002\u9664\u4e86\u7c7b\u536b\u661f\u5916\uff0c\u5e38\u89c1\u7684\u4f8b\u5b50\u8fd8\u6709\u7279\u6d1b\u4f0a\u578b\u5c0f\u884c\u661f\uff08Trojan asteroid\uff09<\/strong>\uff0c\u8fd9\u7c7b\u5c0f\u884c\u661f\u59cb\u7ec8\u5728\u62c9\u683c\u6717\u65e5\u70b9\u9644\u8fd1\u8fd0\u52a8\u3002\u53e6\u4e00\u7c7b\u5219\u662f\u62e5\u6709\u9a6c\u8e44\u5f62\u8f68\u9053\uff08horseshoe orbit\uff09<\/strong>\u7684\u5c0f\u884c\u661f\u3002\u8fd9\u7c7b\u5929\u4f53\u4f1a\u6162\u6162\u63a5\u8fd1\u5730\u7403\uff0c\u5728\u7ed5\u9053\u53e6\u4e00\u4fa7\uff0c\u6574\u4e2a\u8fd0\u52a8\u8f68\u8ff9\u5c31\u50cf\u4e00\u4e2a\u9a6c\u8e44\u7684\u5f62\u72b6\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u9a6c\u8e44\u5f62\u8f68\u9053\u793a\u4f8b\uff08\u56fe\u7247\u6765\u6e90\uff1aBy Phoenix7777 – Own workData source: HORIZONS System, JPL, NASA, CC BY-SA 4.0<\/a>\uff09<\/span><\/p>\n\n\n\n

\u867d\u7136\u7c7b\u536b\u661f\u5e76\u4e0d\u662f\u5730\u7403\u771f\u6b63\u7684\u536b\u661f\uff0c\u4f46\u6709\u65f6\u5019\u5730\u7403\u5f15\u529b\u786e\u5b9e\u6709\u53ef\u80fd\u6355\u83b7\u4e00\u4e9b\u4f53\u79ef\u6781\u5c0f\u7684\u5c0f\u884c\u661f\uff0c\u4f7f\u5b83\u4eec\u77ed\u6682\u5730\u6210\u4e3a\u201c\u5730\u7403\u7684\u7b2c\u4e8c\u4e2a\u6708\u4eae\u201d<\/strong>\uff0c\u4f46\u8fd9\u4e9b\u201c\u8ff7\u4f60\u6708\u7403\u201d\uff08mini-moon\uff09\u53ea\u4f1a\u505c\u7559\u5f88\u77ed\u65f6\u95f4\u3002\u4f8b\u5982\uff0c2006RH120\u662f\u4e00\u9897\u76f4\u5f84\u7ea6\u4e3a2\uff5e3\u7c73\u7684\u5c0f\u884c\u661f\uff0c\u57282006\uff5e2007\u5e74\u95f4\u88ab\u5730\u7403\u77ed\u6682\u6355\u83b7\uff0c\u968f\u540e\u9003\u9038\u56de\u592a\u9633\u8f68\u9053\u3002\u53e6\u4e00\u9897\u540d\u4e3a2020 CD3\u7684\u5c0f\u884c\u661f\u5bbd\u7ea61\uff5e2\u7c73\uff0c\u4e8e2018\u5e74\u81f32020\u5e74\u521d\u5728\u5730\u7403\u5468\u56f4\u73af\u7ed5\u8fd0\u884c\u3002\u8fd8\u6709\u5c31\u662f\u53bb\u5e74\u76842024 PT5\uff0c\u5728\u7ea6\u4e24\u4e2a\u6708\u7684\u65f6\u95f4\u91cc\u77ed\u6682\u5730\u6210\u4e3a\u4e86\u5730\u7403\u7684\u536b\u661f<\/strong>\u3002\u5e73\u5747\u800c\u8a00\uff0c\u201c\u8ff7\u4f60\u6708\u7403\u201d\u5b58\u5728\u671f\u4e0d\u8db3\u4e00\u5e74\uff0c\u6700\u7ec8\u4f1a\u8fdc\u79bb\u5730\u7403\uff0c\u4f46\u4e5f\u53ef\u80fd\u649e\u51fb\u5730\u7403\uff0c\u4e0d\u8fc7\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u5b83\u4eec\u4f53\u79ef\u5fae\u5c0f\uff0c\u8db3\u4ee5\u5728\u5927\u6c14\u5c42\u4e2d\u71c3\u70e7\u6b86\u5c3d\uff0c\u4e0d\u5bf9\u5730\u7403\u9020\u6210\u5a01\u80c1\u3002<\/p>\n\n\n\n

\u6b64\u5916\uff0c\u5929\u6587\u5b66\u5bb6\u8fd8\u63d0\u51fa\uff0c\u5730\u7403\u5468\u56f4\u53ef\u80fd\u5b58\u5728\u201c\u5e7d\u7075\u6708\u7403\u201d\uff08ghost moon\uff09<\/strong>\uff0c\u6700\u65e9\u7684\u8bb0\u5f55\u53ef\u8ffd\u6eaf\u81f3\u4e0a\u4e16\u7eaa60\u5e74\u4ee3\uff0c\u800c2018\u5e74\u7684\u4e00\u9879\u7814\u7a76\u6216\u8bb8\u521d\u6b65\u8bc1\u5b9e\u4e86\u5b83\u7684\u5b58\u5728\u3002\u201c\u5e7d\u7075\u6708\u7403\u201d\u5e76\u975e\u5b9e\u4f53\u5929\u4f53\uff0c\u800c\u662f\u4e0e\u5730\u7403\u5171\u8f68\u3001\u4f4d\u4e8e\u62c9\u683c\u6717\u65e5\u70b9L4\u548cL5\u9644\u8fd1\u7684\u5f25\u6563\u5c18\u57c3\u4e91<\/strong>\uff0c\u4e5f\u53eb\u201c\u79d1\u7eb3\u83b1\u592b\u65af\u57fa\u4e91\u201d\uff08Kordylewski cloud\uff09\u3002\u4e0d\u8fc7\uff0c\u5176\u5b58\u5728\u81f3\u4eca\u4ecd\u5b58\u5728\u4e89\u8bae\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u5730\u6708\u7cfb\u7edf\u62c9\u683c\u6717\u65e5\u70b9\u793a\u610f\u56fe\u3002\u79d1\u7eb3\u83b1\u592b\u65af\u57fa\u4e91\u5b58\u5728\u4e8e L4\u548cL5\u533a\u57df\u3002\uff08\u56fe\u7247\u6765\u6e90\uff1aPublic Domain<\/a>\uff09<\/span><\/p>\n\n\n\n


\u4e0d\u6b62\u5730\u7403\u6709<\/strong><\/span><\/mark><\/strong><\/p>\n\n\n\n

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\u5b83\u4eec\u5f88\u91cd\u8981<\/strong><\/span><\/mark><\/strong><\/p>\n\n\n\n

\u7c7b\u536b\u661f\u5bf9\u79d1\u5b66\u7814\u7a76\u6709\u7740\u72ec\u7279\u4ef7\u503c\u3002\u5b83\u4eec\u7684\u8f68\u9053\u4e0e\u6210\u5206\u80fd\u63d0\u4f9b\u5173\u4e8e\u592a\u9633\u7cfb\u5386\u53f2\u7684\u7ebf\u7d22\u3002\u4f8b\u5982\uff0c\u4e00\u4e9b\u7c7b\u536b\u661f\u6216\u201c\u8ff7\u4f60\u6708\u4eae\u201d\u53ef\u80fd\u662f\u6708\u7403\u7684\u788e\u7247\u3002\u7814\u7a76\u5b83\u4eec\u6709\u52a9\u4e8e\u63ed\u793a\u8fdc\u53e4\u649e\u51fb\u548c\u884c\u661f\u6f14\u5316\u7684\u6545\u4e8b<\/strong>\u3002\u8fd1\u671f\u5bf9\u5c0f\u884c\u661f2024 PT5\u7684\u7814\u7a76\u53d1\u73b0\u5176\u5bcc\u542b\u7c7b\u6708\u77ff\u7269\uff0c\u6697\u793a\u5176\u8d77\u6e90\u4e8e\u6708\u7403\u3002<\/p>\n\n\n\n

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\u5728\u76ee\u524d\u5df2\u77e5\u7684\u5730\u7403\u7c7b\u536b\u661f\u4e2d\uff0c\u6709\u4e9b\u76f8\u5bf9\u7a33\u5b9a\uff0c\u4f46\u53e6\u4e00\u4e9b\u53ef\u80fd\u7a0d\u7eb5\u5373\u901d\uff0c\u53ea\u80fd\u7ef4\u6301\u51e0\u5341\u5e74\u7684\u7a33\u5b9a\u3002\u6bd4\u5982\uff0c2025 PN7\u5df2\u7ecf\u6084\u6084\u966a\u4f34\u4e86\u5730\u7403\u7ea660\u5e74\u624d\u88ab\u6211\u4eec\u53d1\u73b0\uff0c\u800c\u5b83\u672a\u6765\u8fd8\u80fd\u966a\u4f34\u7684\u65f6\u95f4\uff0c\u5374\u6216\u8bb8\u4e5f\u4ec5\u5269\u7ea660\u5e74\u3002\u6240\u4ee5\uff0c\u5982\u679c\u6211\u4eec\u60f3\u8fdb\u4e00\u6b65\u4e86\u89e3\u5b83\u4eec\uff0c\u53ef\u5f97\u6293\u7d27\u65f6\u95f4\u4e86<\/strong>\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u5730\u7403\u51e0\u9897\u7c7b\u536b\u661f\u76f8\u5bf9\u4e8e\u5730\u7403\u7684\u76f8\u5bf9\u5e73\u5747\u7ecf\u5ea6\u03bb<\/em> r<\/sub>\u7684\u65f6\u95f4\u6f14\u53d8\uff0c\u65f6\u95f4\u539f\u70b9\u4e3a\u4eca\u5e745\u6708\u5206\u3002\uff08de la Fuente Marcos C. and de la Fuente Marcos R, 2025\uff09<\/span><\/p>\n\n\n\u53c2\u8003\u94fe\u63a5\uff1a
\nhttps:\/\/iopscience.iop.org\/article\/10.3847\/2515-5172\/ae028f#rnaasae028ffn1
\nhttps:\/\/www.minorplanetcenter.net\/mpec\/K25\/K25QN2.html
\nhttps:\/\/academic.oup.com\/mnras\/article\/473\/3\/2939\/4265379
\nhttps:\/\/www.planetary.org\/articles\/the-quasi-moons-of-earth#:~:text=It%E2%80%99s%20like%20a%20gravitational%20sleight,we%20do%20around%20the%20Sun
\nhttps:\/\/earthsky.org\/space\/earth-quasi-moon-2025-pn7\/#:~:text=Haleakala%20in%20Hawaii%20first%20spotted,moon%20status
\nhttps:\/\/www.nasa.gov\/solar-system\/asteroids\/study-finds-earths-small-asteroid-visitor-likely-chunk-of-moon-rock\/#:~:text=The%20discovery%20of%202024%20PT5,for%20scientists%20studying%20the%20Moon
\nhttps:\/\/www.smithsonianmag.com\/smart-news\/bet-you-didnt-know-about-earths-second-moon-180954455\/#:~:text=and%20the%20Moon%20had%20a,its%20orbit%20mapped%20in%201997
\nhttps:\/\/www.nytimes.com\/2025\/09\/19\/science\/earth-quasi-moon-asteroid.html
\nhttps:\/\/en.wikipedia.org\/wiki\/Quasi-satellite#Earth
\nhttps:\/\/en.wikipedia.org\/wiki\/Earth_trojan
\nhttps:\/\/en.wikipedia.org\/wiki\/3753_Cruithne
\nhttps:\/\/en.wikipedia.org\/wiki\/Co-orbital_configuration#Earth_co-orbital_asteroids
\nhttps:\/\/en.wikipedia.org\/wiki\/2024_PT5
\nhttps:\/\/en.wikipedia.org\/wiki\/Kordylewski_cloud
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