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Asteroid 2018 GR11 flew past Earth at 0.69 lunar distances


A small asteroid designated 2018 GR11 flew past Earth at 0.69 LD or 0.00177 AU (~264 788 km / 164 531 miles) on April 7, 2018. This object was first observed on April 11 but the orbit solution was finalized on April 30.

2018 GR11 belongs to the Apollo group of asteroids and has an estimated diameter of about 5.3 to 12 m (17 to 39 feet). 

It flew past Earth at a speed (relative to the Earth) of 9.9 km/s at 07:52 UTC on April 7.

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

Since the start of the year, 31 known asteroids flew past Earth within 1 lunar distance and 6 during April, according to data provided by CNEOS on April 30.

Reference:

Asteroid 2018 GR11 at Minor Planet Center, CNEOS

Featured image: The green line indicates the object’s apparent motion relative to the Earth, and the bright green marks are the object’s location at approximately one-hour intervals. The Moon’s orbit is grey. The blue arrow points in the direction of Earth’s motion and the yellow arrow points toward the Sun. Credit: Minor Planet Center.



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