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View Full Version here: : One-tonne GOCE satellite set to re-enter somewhere on Earth very shortly


gary
11-11-2013, 01:46 AM
Fragments of the one-tonne Gravity Ocean Circulation Explorer (GOCE) satellite are
likely to crash to Earth within the next 24 to 48 hours according to ESA.
However, they do not know precisely when or where.

Story in Sydney Morning Herald here -
http://www.smh.com.au/technology/sci-tech/onetonne-satellite-to-crash-with-earth-20131110-2xa7i.html

gary
11-11-2013, 02:06 AM
GOCE's polar orbit also results in it passing over most locations on Earth at one time
or another.

For example, if its orbit had not been in decay it would have passed a couple of times
south to north over South Australia/Northern Territory and then West Australia
on 11 Nov 2013 between approximately 10:36 UTC to 12:06 UTC.

The decaying orbit would no longer make these predicted passes accurate.

However, if it has not re-entered before that time, Australian observers in South Australia and West Australia
might like to follow events online and set up cameras in anticipation, in case it does put on a show.

JB80
11-11-2013, 04:04 AM
Here are a couple of real time trackers if anyone is interested.

http://www.n2yo.com/?s=34602

http://www.satview.org/forec.php?sat_id=34602U

ZeroID
11-11-2013, 12:02 PM
That second URL seems to be working better. The first one comes up as not available ( it was last week ) Probably getting swamped with view requests.
Thanks

gary
11-11-2013, 12:07 PM
Hi Jarrod.

So these guy's program is currently predicting Iran in about three hours from
now at 03:59 UTC (14:59 AEDT) with the proviso the margin of error is
+/-3 orbits. :)

astroron
11-11-2013, 01:56 PM
She is finished,no damage done.:)
http://www.esa.int/Our_Activities/Observing_the_Earth/GOCE/GOCE_gives_in_to_gravity

Cheers:thumbsup:

gary
11-11-2013, 02:35 PM
Hi Ron,

It will be interesting to hear where they believe that 25% they estimated actually
came down.

Edit - It is more likely that it came down on the pass that was to take it over India.
Perhaps it in the western Pacific or Alaska?

astroron
11-11-2013, 02:50 PM
If it was over Alaska or the Western Pacific? not much to hit there in the way of people or infrastructure.
Cheers:thumbsup:

gary
12-11-2013, 12:06 AM
In an update on the ESA web site, the estimated area where the remnants fell
is in the southern Atlantic, near the Falkland Islands.

Story here -
http://blogs.esa.int/rocketscience/2013/11/11/goce-re-entry-region/