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Hayabusa2's target asteroid has a name!

Emily Lakdawalla • October 05, 2015

JAXA announced today the results of the naming contest for Hayabusa2. The target of the sample-return mission, formerly known as 1999 JU3 and still numbered 162173, is now named 162173 Ryugu.

Name Hayabusa2's asteroid target!

Emily Lakdawalla • July 22, 2015

Have you ever wanted to name an asteroid? JAXA is offering the opportunity to name Hayabusa2's target asteroid, 1999 JU3 to the public through a contest that runs through August 31.

Due to ion engine failure, PROCYON will not fly by an asteroid

Emily Lakdawalla • May 08, 2015

PROCYON, the mini-satellite launched with Hayabusa2, will not be able to achieve its planned asteroid flyby due to the failure of its ion engine.

PROCYON update: Asteroid 2000 DP107 target selected, ion engine stopped

Emily Lakdawalla • April 13, 2015

PROCYON (PRoximate Object Close flYby with Optical Navigation) is a microsatellite that launched on December 3 as a secondary payload with Hayabusa2. The mission has now selected their asteroid flyby target -- a binary asteroid named 2000 DP107 -- but is reporting a problem with their ion engines.

Mini mission updates: Dawn in orbit; Curiosity short circuit; Rosetta image release; Hayabusa2 in cruise phase; and more

Emily Lakdawalla • March 06, 2015

Dawn has successfully entered orbit at Ceres, becoming the first mission to orbit a dwarf planet and the first to orbit two different bodies beyond Earth. I also have updates on Curiosity, Rosetta, Mars Express, Hayabusa2, the Chang'e program, InSIGHT, and OSIRIS-REx.

A new mission for Akatsuki, and status updates for Hayabusa2 and Chang'e

Emily Lakdawalla • February 09, 2015

Brief updates on four ongoing missions: JAXA's Akatsuki and Hayabusa2, and China's Chang'e 3 and Chang'e 5 test vehicle. JAXA has articulated the new science plan for Akatsuki. Hayabusa2's ion engines have checked out successfully. The Yutu rover is still alive on the Moon, and Chang'e 5 test vehicle has successfully tested crucial rendezvous operations in lunar orbit.

Hayabusa2 launches toward asteroid rendezvous

Emily Lakdawalla • December 03, 2014

Hayabusa2 successfully launched on December 3, 2014 at 04:22 UTC, and embarked on its interplanetary journey about two hours later. During the launch, cameras captured video of the spacecraft fairing separation.

Hayabusa2 is about to launch! [UPDATED]

Emily Lakdawalla • December 02, 2014

Hayabusa2's H-IIA rocket has just reached its launchpad! Japan's next asteroid sample return mission was supposed to launch this weekend, but weather has not been good at the Tanegashima launch site and it has been delayed four days already. If the weather holds, it will launch December 3 at 04:22 UT (13:22 JST, or December 2 at 20:22, PT). UPDATED to add links to live webcasts.

Hayabusa2 nearly ready for launch: Photos from Tanegashima, and new artist's renderings

Emily Lakdawalla • October 30, 2014

On October 27, JAXA provided media with an opportunity to view the Hayabusa2 spacecraft at the Tanegashima space center, where it's making final preparations for launch. Koumei Shibata was there, and took several photos. And artist Go Miyazaki has shared several terrific new renderings of the spacecraft in flight.

Collaboration Between OSIRIS-REx and Hayabusa2

Dante Lauretta • October 20, 2014

The University of Arizona (UA) hosted representatives of the Hayabusa2 asteroid sample return mission to explore opportunities for collaboration with the OSIRIS-REx team.

Brief mission update: Hayabusa2 has a launch date!

Emily Lakdawalla • September 29, 2014

JAXA announced the launch date for their Hayabusa2 asteroid sample return mission today: November 30 at 13:24:48 Japan standard time (04:24:48 UT / November 29 at 20:24:48 PST)

Hayabusa2 complete, ready to begin its journey to asteroid 1999 JU3

Emily Lakdawalla • August 31, 2014

The excitement is building for Hayabusa2! The spacecraft is now complete and ready to be shipped to its launch site. JAXA unveiled its next interplanetary traveler to the media in a special event on August 31.

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