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Mountain-sized asteroid 1999 AN10 to pass close to Earth in 2027

🇺🇸 EarthSkyMissions & AgenciesFri, 13 Nov 2026 12:43:00 GMT· edited
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Mountain-sized asteroid 1999 AN10 to pass close to Earth in 2027

On August 7, 2027, Earth will have a close encounter with the mountain-sized asteroid 1999 AN10 . In this chart, the red ellipse marks the orbit of 1999 AN10 in 2027.

On August 7, 2027, Earth will have a close encounter with the mountain-sized asteroid 1999 AN10 . In this chart, the red ellipse marks the orbit of 1999 AN10 in 2027. Stalks on this line are at the beginnings of months. EarthSky’s famous lunar calendar is now available. Beautiful blue and silver poster shows every day’s moon phase for 2027. Mountain-sized asteroid to pass close to Earth on August 7, 2027 A space rock around 800 to 1,800 meters wide (about 0.5 to 1.1 miles) is set to soar close by Earth on August 7, 2027. The asteroid — named 1999 AN10 — has been labelled potentially hazardous by NASA, but there is no chance of it impacting Earth in 2027.

Editor's Analysis — through the multi-planetary lens

Edited from EarthSky RSS for the Mars Colonization desk.

Original headline: Mountain-sized asteroid 1999 AN10 to pass close to Earth in 2027
Read the full story at EarthSky →

Edited by the news editor with AI from the original report — please refer to the original source.

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