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Asteroid the Size of a Skyscraper Flew by Earth on Friday (Video) – Space.com, Space.com

Asteroid the Size of a Skyscraper Flew by Earth on Friday (Video) – Space.com, Space.com


An enormous asteroid flew by Earth today (Oct. 25), and you can watch it zip by in a video from the Virtual Telescope Project.

Asteroid 1998 HL1 was 3. (million miles) 6. 21 million kilometers) away from Earth – about 10 times the average distance to the moon – when it makes its closest approach at 1: 17 pm EDT (GMT),according to NASA.

The Virtual Telescope Project, an online observatory founded by astrophysicist Gianluca Masi of the Bellatrix Astronomical Observatory in Ceccano, Italy, hosted a live webcast about the asteroid during the close encounter today. You can watch a replay here atthe Virtual Telescope Project’s website.

Video:Giant Asteroid (HL1 Seen by Virtual Telescope Project)
Related:
Potentially Dangerous Asteroids (Images)

Gianluca Masi of the Virtual Telescope Project captured this image of the potentially hazardous asteroid 1998 HL1 on Oct. 23, 2019, at 1:41 p.m. EDT (1741 GMT), when the asteroid was about 4.1 million miles (6.6 million kilometers) away from Earth. The image comes from a single 300-second exposure captured remotely using the Virtual Telescope Project’s Elena telescope. The telescope tracked the asteroid’s movement, so the asteroid appears as a white dot in front of a background of star trails.

Gianluca Masi of the Virtual Telescope Project captured this image of the potentially hazardous asteroid 1998 HL1 on Oct. 23, 2019, at 1: 41 PM EDT 1741 GMT), when the asteroid was about 4.1 million miles (6.6 million kilometers) away from Earth. The image comes from a single 300 – second exposure captured remotely using the Virtual Telescope Project’s Elena telescope. The telescope tracked the asteroid’s movement, so the asteroid appears as a white dot in front of a background of star trails.

NASA classifies asteroid 1998 HL1 as “potentially hazardous” because the space rock has the “potential to make threatening close approaches to the Earth.” That doesn’t mean the asteroid poses a threat this time around. The agencydefinesall asteroids whose orbits around the sun come within 4.6 million miles (7.8 million km) of Earth’s orbit, and that have a diameter of at least 500 feet (meters) as “potentially hazardous asteroids.”

(Asteroid) HL1 measures about 1, 800 feet (550 m) in diameter, or about the height of the Sears Tower in Chicago,according to NASA’s Jet Propulsion Laboratory. “This will make it quite bright around the time of the flyby,” Masi wrote ina description of today’s webcast.

This sky chart from the Virtual Telescope Project shows the path of asteroid 1998 HL1 through the night sky from Oct. 25 to Oct. 28.

This sky chart from the Virtual Telescope Project shows the path of asteroid 1998 HL1 through the night sky from Oct . 25 to Oct. 28. (Click the top right corner of the image to expand it.)

Today’s flyby will be the closest one until Oct. 26, 2140, when it will be just slightly closer to Earth at a distance of 3. (million miles) 6. (million km). So, 1998 HL1 won’t pose a real threat to Earth for the foreseeable future.

Email Hanneke Weitering at [email protected] or follow her@ hannekescience. Follow us on Twitter@ Spacedotcomand on(Facebook).

Have a news tip, correction or comment? Let us know at[email protected]

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