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A newly-discovered asteroid designated 2021 GW4 will fly by at a distance of just 0.07 LD / 0.00018 AU (26 927 km / 16 730 miles) from the center of our planet at 13:01 UTC on April 12, 2021. This is the 40th known asteroid to fly by Earth within 1 lunar distance since the start of the year and 7th so far this month.

2021 GW4 was first observed at Mt. Lemmon Survey, Arizona on April 8, 4 days before its close approach.

The object belongs to the Apollo group of asteroids and has an estimated diameter between 3.5 and 7.7 m (11.5 - 24 600 feet).

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Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

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