Astronomers Discover Fastest-Orbiting Asteroid Ever Seen
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Aug 24, 2021
The newly-discovered asteroid 2021 PH27 has a diameter of about 1 km (3,280 feet) and orbits the Sun in just 113 days — the shortest known orbital period for an asteroid and second shortest for any object in our Solar System after Mercury.
http://www.sci-news.com/astronomy/fa...oid-09991.html
