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2023ǯ2·î27Æü¤Ëȯ¸«¤µ¤ì¤¿Ä¾·ÂÌó165¥Õ¥£¡¼¥È(Ìó50m)¤Î¾®ÏÇÀ±¡Ö2023 DW¡×¤¬2046ǯ2·î¤ËÃϵå¤ËÂçÀ᤹ܶ¤ë²ÄǽÀ¤¬¤¢¤ë¤³¤È¤¬Ê󤸤é¤ì¤Æ¤¤¤Þ¤¹¡£¾®ÏÇÀ±¤¬Ãϵå¤Ë¾×ÆÍ¤¹¤ë³ÎΨ¤ÏÌó625ʬ¤Î1¤È¿äÄꤵ¤ì¡¢¾®ÏÇÀ±¤¬Ãϵå¤Ë±Æ¶Á¤òÍ¿¤¨¤ë²ÄǽÀ¤ÏÈó¾ï¤ËÄ㤤¤È¹Í¤¨¤é¤ì¤Æ¤¤¤Þ¤¹¡£
Eyes on Asteroids - Home - NASA/JPL
https://eyes.nasa.gov/apps/asteroids/#/asteroids/2023_dw

Asteroids - NEO
https://neo.ssa.esa.int/search-for-asteroids?sum=1&des=2023DW
Newly discovered asteroid the size of a swimming pool has a 1-in-600 chance of colliding with Earth, NASA says | Live Science
https://www.livescience.com/newly-discovered-asteroid-the-size-of-a-swimming-pool-has-a-1-in-600-chance-of-colliding-with-earth-nasa-says
2023 DW¤Ï2023ǯ2·î27Æü¤Ë½é¤á¤Æ´Ñ¬¤µ¤ì¤¿¾®ÏÇÀ±¤Ç¡¢²¤½£±§Ã赡´Ø(ESA)¤Ë¤è¤ë¤È¡¢2023 DW¤Îľ·Â¤ÏÌó165¥Õ¥£¡¼¥È(Ìó50m)¤Ç¡¢2046ǯ2·î14Æü¤ËÃϵå¤ËºÇÀܶᤷ¡¢Ãϵå¤Ë¾×ÆÍ¤¹¤ë³ÎΨ¤Ïµ»öºîÀ®»þÅÀ¤ÇÌó625ʬ¤Î1¤È¿äÄꤵ¤ì¤Æ¤¤¤Þ¤¹¡£¤³¤Î¾×ÆÍ³ÎΨ¤ÏÃϵå¶á˵ÏÇÀ±¤ÎÊ¿¶Ñ¤è¤ê¤â¹â¤¤¤â¤Î¤È¤Ê¤Ã¤Æ¤¤¤Þ¤¹¤¬¡¢NASA¤Ï¡ÖÃϵå¤Ë¾×ÆÍ¤¹¤ë²ÄǽÀ¤ÏÈó¾ï¤ËÄ㤤¡×¤È¤·¤Æ¤ª¤ê¡¢¾®ÏÇÀ±¤Î¤è¤êÀµ³Î¤Ê´Ñ¬¤¬²Äǽ¤Ë¤Ê¤ë¤³¤È¤Ç²ÄǽÀ¤ÏÄã²¼¤¹¤ë¤È¸«¤é¤ì¤Æ¤¤¤Þ¤¹¡£
¥¢¥á¥ê¥«¹Ò¶õ±§Ãè¶É(NASA)¤Ï2023 DW¤òÄÉÀפ·¤Æ¤¤¤ë¤ÈÊó¹ð¤·¤¿¥Ä¥¤¡¼¥È¤Ç¡¢¡Ö¿¤¯¤Î¾ì¹ç¡¢¿·¤·¤¤Å·ÂΤòºÇ½é¤Ëȯ¸«¤·¤¿¤È¤¡¢¿ôǯÀè¤Îµ°Æ»¤òŬÀÚ¤Ëͽ¬¤¹¤ë¤¿¤á¤Ë¤Ï¤µ¤é¤Ê¤ë¥Ç¡¼¥¿¤¬É¬ÍפǤ¹¡×¤È½Ò¤Ù¤Æ¤¤¤Þ¤¹¡£
We've been tracking a new asteroid named 2023 DW that has a very small chance of impacting Earth in 2046. Often when new objects are first discovered, it takes several weeks of data to reduce the uncertainties and adequately predict their orbits years into the future. (1/2) pic.twitter.com/SaLC0AUSdP— NASA Asteroid Watch (@AsteroidWatch) March 7, 2023
²Ê³Ø·Ï¥Ë¥å¡¼¥¹¥á¥Ç¥£¥¢¡¦Livescience¤Ë¤è¤ë¤È¡¢¤â¤·¤â2023 DW¤¬Ãϵå¤Ë¾×ÆÍ¤·¤Æ¤â¿ÍÎà¤Ë²õÌÇŪ¤ÊÈï³²¤¬½Ð¤ë¤³¤È¤Ï¸½Ãʳ¬¤Çͽ¬¤µ¤ì¤Æ¤¤¤Ê¤¤¤È¤Î¤³¤È¡£¤·¤«¤·2023 DW¤¬Ãϵå¤Î¼çÍ×ÅÔ»Ô¤ä¿Í¸ýÌ©½¸ÃÏÂÓ¤ËÍî²¼¤·¤¿¾ì¹ç¡¢¶ÉÃÏŪ¤Ë¿¼¹ï¤ÊÈï³²¤¬È¯À¸¤¹¤ë²ÄǽÀ¤¬¤¢¤ê¤Þ¤¹¡£2013ǯ¤Ë¥í¥·¥¢¤Î¥Á¥§¥ê¥ã¥Ó¥ó¥¹¥¯¤ËÍî²¼¤·¤¿ð¨ÀÐ(¤¤¤ó¤»¤)¤Îµ¬ÌϤϿôm¤«¤é15m¤È¡¢2023 DW¤ÎȾʬ°Ê²¼¤ÎÂ礤µ¤À¤Ã¤¿¤Ë¤â¤«¤«¤ï¤é¤º¡¢Ìó1500¿Í¤ÎÉé½ý¼Ô¤¬È¯À¸¤·¡¢Ìó4500Åï¤Î·ú¤ʪ¤¬Â»²õ¤·¤Þ¤·¤¿¡£
¤Ê¤ª¡¢NASA¤Ï¾®ÏÇÀ±¤Îµ°Æ»¤òÊѲ½¤µ¤»¤ëÊýË¡¤ò¸¦µæ¤·¤Æ¤ª¤ê¡¢2022ǯ¤Ë¤Ï¾®ÏÇÀ±¤Ë±§ÃèÁ¥¤ò¾×ÆÍ¤µ¤»¤Æ¿ÊÏ©¤òÊѹ¹¤µ¤»¤ë¡ÖDouble Asteroid Redirection Test¡×¤È¤¤¤¦¼Â¸³¤ò¹Ô¤¤¡¢À®¸ù¤·¤¿¤³¤È¤òȯɽ¤·¤Æ¤¤¤Þ¤¹¡£
NASA¤Î¡Ö¾®ÏÇÀ±¤Ë±§ÃèÁ¥¤ò¤Ö¤Ä¤±¤Æµ°Æ»¤ò¤º¤é¤¹¼Â¸³¡×¤¬À®¸ù¡¢¾×ÆÍľÁ°¤Î±§ÃèÁ¥¤¬Âª¤¨¤¿¾®ÏÇÀ±¤Î±ÇÁü¤â - GIGAZINE

NASA¤Ï¡Ö²æ¡¹¤Ï°ú¤Â³¤¾®ÏÇÀ±2023 DW¤ò´Æ»ë¤·¡¢¤è¤ê¿¤¯¤Î¥Ç¡¼¥¿¤¬Æþ¤ê¼¡Âèͽ¬¤ò¹¹¿·¤·¤Þ¤¹¡×¤È½Ò¤Ù¤Æ¤¤¤Þ¤¹¡£
Orbit analysts will continue to monitor asteroid 2023 DW and update predictions as more data comes in. Explore this asteroid and others: https://t.co/vXY8HDjycJ (2/2)— NASA Asteroid Watch (@AsteroidWatch) March 7, 2023