A newly discovered asteroid designated 2018 MZ4 flew past Earth at 0.54 LD / 0.00139 AU (207 941 km / 129 208 miles) on June 16, 2018, one day before it was discovered. This is 36th known asteroid to flyby Earth within 1 lunar distance since the start of the year.
2018 MZ4 belongs to the Apollo group of asteroids and has an estimated size between 4.6 and 10 m (15 – 32.8 feet). It was first observed at Palomar Mountain – ZTF on June 17, 2018.
The object flew past us at a speed (relative to the Earth) of 9.76 km/s at 18:55 UTC.
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.
If you value what we do here, open your ad-free account and support our journalism.
Producing content you read on this website takes a lot of time, effort, and hard work. If you value what we do here, select the level of your support and register your account.
Your support makes this project fully self-sustainable and keeps us independent and focused on the content we love to create and share.
All our supporters can browse the website without ads, allowing much faster speeds and a clean interface. Your comments will be instantly approved and you’ll have a direct line of communication with us from within your account dashboard. You can suggest new features and apps and you’ll be able to use them before they go live.
You can choose the level of your support.
Stay kind, vigilant and ready!