Japan Is Landing on an Asteroid Today and You Can Watch It Live!

Japan Is Landing on an Asteroid Today and You Can Watch It Live!

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Japan’s Hayabusa2 spacecraft is touching down on an asteroid called Ryugu to grab a sample — and you can watch the action live.

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The maneuvers will be broadcast live by the Japan Aerospace Exploration Agency (JAXA), which manages the spacecraft, beginning today (Feb. 21) at 4:45 EST (2145 GMT). You can watch live on Space.com courtesy of JAXA, or through the agency’s YouTube.

JAXA began descent operations at Ryugu on Feb. 21 around 6:30 a.m. local time at JAXA’s headquarters (Feb. 20 around 4:30 p.m. EST, 2130 GMT), with the decision to approach the asteroid coming about 6 hours later. 

Before the descent began, Hayabusa2 had been hovering in its “home position,” about 12.4 miles (20 kilometers) above the asteroid’s surface. The spacecraft has been creeping closer over the subsequent hours, sending images from its navigation camera back about twice an hour. Those images take about 19 minutes to reach Earth because of the distance to Ryugu. During touchdown itself, the spacecraft won’t be properly angled to continue sending pictures home.

Over the first few hours of the descent, the spacecraft lowered itself at a speed of about 35 inches/second (90 centimeters/second), which was about twice as fast as JAXA had originally planned in order to make up for starting the descent about 5 hours later than scheduled. By Feb. 21 at about 9:15 a.m. EST (1415 GMT), Hayabusa was just 1.8 miles (3 km) above the surface.

Hayabusa2 is scheduled to touch down around 6:06 p.m. EST (2306 GMT). At the surface, it will shoot what is essentially a bullet into Ryugu’s gravelly surface and suck up the resulting debris to bring back to Earth.

Once sampling is complete, it will take the spacecraft about 11 hours to return to its “home position.” The spacecraft still has more work to do at Ryugu, including releasing one more small rover onto the asteroid’s surface, before heading home at the end of this year.

Email Meghan Bartels at [email protected] or follow her @meghanbartels. Follow us on Twitter @Spacedotcom and on Facebook.

https://www.space.com/hayabusa2-asteroid-ryugu-landing-webcast.html


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