Asteroid 2018 FQ3 flew past Earth at 0.73 LD, one day before discovery

Asteroid 2018 FQ3 flew past Earth at 0.73 LD, one day before discovery

Asteroid 2018 FQ3, first observed at Catalina Sky Survey on March 20, flew past Earth at a distance of 0.73 LD / 0.00187 AU (~279 748 km / 173 827 miles) on March 19, 2018.

This is Apollo class asteroid with an estimated diameter of 5.1 and 11 m (16.7 - 36 feet). 

It flew past Earth at a speed (relative to the Earth) of 11.04 km/s at 05:59 UTC on March 19, one day before it was discovered.

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

This was the 22nd known asteroid to flyby Earth within 1 lunar distance since the start of the year. It was preceded by 2018 FE3 on March 18 and will be followed by 2018 FZ3 on March 23.

Reference:

Asteroid 2018 FQ3 at Minor Planet Center; at 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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