Asteroid 2018 SC to flyby Earth at 0.70 LD on September 18

Asteroid 2018 SC to flyby Earth at 0.70 LD on September 18

A newly discovered asteroid designated 2018 SC will flyby Earth at a distance of 0.70 LD / 0.00180 (296 276 km / 167 320 miles) at 14:46 UTC on September 18, 2018. 

This object belongs to the Apollo group of asteroids and has an estimated diameter between 6.9 and 15 m (22.6 - 49.2 feet). It was first observed at ATLAS-HKO, Haleakala at 13:18 UTC on September 17.

This object is expected to flyby Earth at a speed (relative to the Earth) of 14.03 km/s at 14:46 UTC.

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

This is now the 49th known asteroid to flyby Earth within 1 lunar distance since the start of the year and the 9th this month.

Reference:

Asteroid 2018 SC 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 half 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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