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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.

News brief: OSIRIS-REx finds water on Bennu

Jason Davis • December 10, 2018 • 4

OSIRIS-REx team members held a press briefing today at the 2018 American Geophysical Union meeting, and announced that the mission has already found water on asteroid Bennu.

Planetary Society asteroid hunters help find rare type of double asteroid

Jason Davis • July 24, 2018 • 7

A global team of astronomers has found a rare type of asteroid, where two equal-mass objects circle each other in a never-ending dance as they hurtle through the solar system.

Announcing the 2018 Shoemaker NEO Grant Winners

Bruce Betts • March 12, 2018

Seven very advanced amateur astronomers will help find, track, and characterize near Earth asteroids.

Hayabusa2 has detected Ryugu!

Emily Lakdawalla • March 01, 2018 • 1

In a milestone for the mission, JAXA's Hayabusa2 sample return spacecraft has sighted its destination, asteroid Ryugu.

Favorite Astro Plots #1: Asteroid orbital parameters

Emily Lakdawalla • October 01, 2015 • 3

This is the first in a series of posts in which scientists share favorite planetary science plots. For my #FaveAstroPlot, I explain what you can see when you look at how asteroid orbit eccentricity and inclination vary with distance from the Sun.

Proposals to Explore the Solar System’s Smallest Worlds

Van Kane • July 27, 2015 • 10

Van Kane rounds up some of the latest NASA Discovery mission proposals aiming to explore our solar system's smallest bodies.

Five steps to prevent asteroid impacts

Bruce Betts • June 30, 2015 • 3

For Asteroid Day, Bruce Betts reviews 5 steps needed to prevent asteroid impacts, as well as how The Planetary Society is involved in those.

Shoemaker NEO Grant Winners Announced: Saving the World

Bruce Betts • April 15, 2015

The six winners of the 2015 Shoemaker NEO Grants will use the grants to upgrade their observatories to improve their abilities to study potentially dangerous asteroids.

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

Emily Lakdawalla • April 13, 2015 • 3

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.

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