[Home]   [Full version]  

Rosetta spacecraft meets asteroid Steins

Aug 25 ,Space & Earth science



Full size image
ESA's Rosetta spacecraft will make a historic encounter with asteroid (2867) Steins on 5 September 2008.

First images and results will be available during a press conference which will be held at ESOC the following day, Saturday 6 September at 12:00 CEST.

Steins is Rosetta’s first nominal scientific target. The spacecraft will rendezvous with the asteroid in the course of its first incursion into the asteroid belt located between the orbits of Mars and Jupiter, while on its way to comet 67/P Churyumov-Gerasimenko.

The study of asteroids is extremely important as they represent a sample of Solar System material at different stages of evolution – key to understanding the origin of our own planet and of our planetary neighbourhood.

The closest approach to Steins is due to take place on 5 September at 20:58 CEST (Central European Summer Time), from a distance of 800 km, during which the spacecraft will not be communicating with Earth.

First ground contact with the spacecraft and announcement of successful fly-by will take place at 22:23 CEST. The first data and images collected by Rosetta will be sent to Earth throughout the night of 5 to 6 September and will undergo preliminary processing in the morning of 6 September.

Provided by ESA

Related stories:

Perfect sight: Rosetta cameras track asteroid target
(PhysOrg.com) -- On 14 August, Rosetta conducted a successful trajectory correction manoeuvre using data obtained from the Agency's first-ever optical tracking of an asteroid target, (2867) Steins. Images from the spacecraft's cameras were used to calculate the asteroid's location and optimise its trajectory for fly-by next month.
Mars Express acquires sharpest images of martian moon Phobos
(PhysOrg.com) -- Mars Express closed in on the intriguing martian moon Phobos at 6:49 CEST on 23 July, flying past at 3 km/s, only 93 km from the moon. The ESA spacecraft’s fly-bys of the moon have returned its most detailed full-disc images ever, also in 3-D, using the High Resolution Stereo Camera on board.
SMART-1 impacts Moon (Update 2)
At 07:42:22 CEST (05:42:22 UT) today, the SMART-1 spacecraft impacted the Moon's surface as planned, ending ESA's first solar-powered mission to another celestial body and Europe's first mission to the Moon. ESA estimates that impact occurred at 46.2º West, 34.4º South.
Dawn Glides Into New Year
(PhysOrg.com) -- NASA's Dawn spacecraft shut down its ion propulsion system today as scheduled. The spacecraft is now gliding toward a Mars flyby in February of next year.
Solar Wind Rips Up Martian Atmosphere
Researchers have found new evidence that the atmosphere of Mars is being stripped away by solar wind. It's not a gently continuous erosion, but rather a ripping process in which chunks of Martian air detach themselves from the planet and tumble into deep space. This surprising mechanism could help solve a longstanding mystery about the Red Planet.
NASA Begins Hunt for New Meteor Showers
It started out as a normal day. NASA astronomer and meteor expert Bill Cooke woke up, dressed, and went to his office at the Marshall Space Flight Center. Colleagues greeted him as usual, there was no hum of excitement.
Scientists close in on the origin of Mars' larger moon
(PhysOrg.com) -- European space scientists are getting closer to unravelling the origin of Mars’ larger moon, Phobos. Thanks to a series of close encounters by ESA’s Mars Express spacecraft, the moon looks almost certain to be a ‘rubble pile’, rather than a single solid object. However, mysteries remain about where the rubble came from.
Successful re-entry marks bright future for ATV
Europe’s first Automated Transfer Vehicle (ATV) Jules Verne successfully completed its six-month ISS logistics mission today with its controlled destructive re-entry over a completely uninhabited area of the South Pacific.

News discussion:

Space & Earth science news

[Home]   [Full version]