A newly-discovered asteroid designated 2021 DG flew past Earth at a distance of 0.43 LD / 0.00111 AU (166 050 km / 103 180 miles) from the center of our planet at 14:21 UTC on February 18, 2021.
This is the 20th known asteroid to flyby Earth within 1 lunar distance since the start of the year and the 11th so far this month.
2021 DG was first observed at Mt. Lemmon Survey, Arizona on February 17, one day before its close approach.
It belongs to the Apollo group of asteroids and has an estimated diameter between 2.4 and 5.4 m (7.9 - 17.7 feet).