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The June Solstice 2019 Issue of The Planetary Report Is Out!

Emily Lakdawalla • June 10, 2019

Two feature articles bring you the excitement and science of exploring two very different representatives of the solar system's smaller worlds.

Treasure Hunting With Hayabusa2

Makoto Yoshikawa and Elizabeth Tasker • June 10, 2019

IN THE EARLY hours of 22 February, light was just beginning to brighten the campus of JAXA’s Institute of Space and Astronautical Sciences (ISAS) in Kanagawa, Japan. It should have been a quiet time, but the Hayabusa2 control room was packed with people. We were about to land on an asteroid.

Hayabusa2 drops second target marker, targets artificial crater for sample collection

Jason Davis • June 04, 2019

The reflective softball-sized sphere will give the spacecraft a visual guide during a second potential sample collection.

Hayabusa2 Encounters Snag Trying to Drop Second Target Marker

Jason Davis • May 21, 2019

The spacecraft is healthy and safe, but time is running out to collect a second sample from asteroid Ryugu.

Here’s an Update on Hayabusa2’s Crater-Creating Explosion

Jason Davis • May 03, 2019

Hayabusa2's SCI experiment fell toward Ryugu for 40 minutes before detonating about 300 meters above the surface.

Hayabusa2 Safe and Sound after Blasting New Crater on Ryugu

Jason Davis • April 04, 2019

Hayabusa2 successfully used its explosive-packed SCI experiment to create an artificial crater on asteroid Ryugu.

First Science Results from Hayabusa2 Mission

Emily Lakdawalla • April 01, 2019

The Hayabusa2 team held a press briefing last week at LPSC to report newly published results on asteroid Ryugu.

What to Expect When Hayabusa2 Blows a Hole in Asteroid Ryugu

Jason Davis • April 01, 2019

The Hayabusa 2 spacecraft will deploy its Small Carry-on Impactor experiment, SCI, on 5 April.

Hayabusa2 Scores a Bulls-eye on Touchdown, More Explodey Fun on the Horizon

Jason Davis • March 07, 2019

The mission is also gearing up for a possible second sample collection.

Watch Hayabusa2's incredible touchdown on asteroid Ryugu

Jason Davis • March 05, 2019

The spacecraft fired a bullet into the surface and unleashed a massive spray of debris.

Hayabusa2 has touched down on Ryugu!

Jason Davis • February 21, 2019

Touchdown occurred at about 22:49 UTC on 21 February, and the spacecraft is healthy.

What to expect when Hayabusa2 collects a sample from Ryugu

Jason Davis • February 19, 2019

More than 4 years after launch and a half year surveying asteroid Ryugu, Japan's Hayabusa2 spacecraft is ready for sample collection.

Hayabusa2 team sets date for sample collection, considers two touchdown sites

Jason Davis • January 16, 2019

Japan's Hayabusa2 spacecraft will try to collect a sample from asteroid Ryugu during the week of 18 February, mission officials said during a press briefing last week.

Hayabusa2 prepares for holiday break as Sun passes between Earth and asteroid Ryugu

Jason Davis • November 15, 2018

The spacecraft will spend the end of 2018 a safe distance from Ryugu, as the Sun's position makes communications with Earth spotty.

Collecting a sample from asteroid Ryugu is going to be dicey

Jason Davis • October 19, 2018

Japan's Hayabusa2 spacecraft was scheduled to touch down on Ryugu later this month, but that has been delayed to early 2019.

Heiligenschein Throughout the Solar System

Brittney Cooper • October 16, 2018

When planetary scientist Brittney Cooper was scrolling through the downlinked images of Hayabusa2’s approach of asteroid Ryugu, a familiar sight caught her attention.

MASCOT landing on Ryugu a success

Emily Lakdawalla • October 05, 2018

For 17 hours on 3 October, the Mobile Asteroid Surface Scout (MASCOT) lander sent data to the waiting Hayabusa2 orbiter from multiple locations on Ryugu.

Japan's asteroid hoppers deliver new batch of incredible images

Jason Davis • September 27, 2018

Pics of Ryugu's surface show loose piles of gravel strewn with larger rocks and boulders.

Japan's Hayabusa2 spacecraft successfully drops rovers on asteroid Ryugu

Jason Davis • September 22, 2018

The two small spacecraft are the size and shape of cheese wheels, and can autonomously hop around the surface.

Hayabusa2 stops short of close approach on first touchdown rehearsal

Emily Lakdawalla • September 13, 2018

Hayabusa2 didn’t quite make it down to its intended 60-meter distance from asteroid Ryugu yesterday. There is nothing wrong with the spacecraft; it’s healthy and returning to its home position. The team will adjust parameters and give it another try in the future.

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