This is a test....

[jero]

How many operational satellites can you guys name? <br /><br />The only requirements I can think of is that they have to be sending back data of some kind. And they have to originate from Earth.

 

[nacnud]

<font color="yellow">And they have to originate from Earth.<br /><br /><font color="white">As oposed to where exactly?</font></font>

 

[rfoshaug]

ISS<br />Hubble<br />Chandra<br />Spitzer<br />GPS BII-09<br />GPS BIIA-11<br />GPS BIIA-12<br />GPS BIIA-14<br />GPS BIIA-15<br />GPS BIIA-16<br />GPS BIIA-17<br />GPS BIIA-20<br />GPS BIIA-21<br />GPS BIIA-22<br />GPS BIIA-23<br />GPS BIIA-24<br />GPS BIIA-25<br />GPS BIIA-26<br />GPS BIIA-27<br />GPS BIIA-28<br />GPS BIIR-02<br />...<br />And there are over 70 IRIDIUM satellites. <img src="/images/icons/wink.gif" /><br /> <div class="Discussion_UserSignature"> <p><font color="#ff9900">----------------------------------</font></p><p><font color="#ff9900">My minds have many opinions</font></p> </div>

 

[barrykirk]

Add Gravity Probe B<br /><br />Do the satellites have to be in earth orbit?<br /><br />Cause I can add the MRO

 

[CalliArcale]

Swift<br />various Hot Bird satellites<br />Rock & Roll, the XM satellites<br />the Sirius satellites<br />Loads of geosynchronous commercial telecommunications satellites from all over the world<br />the Molniya satellites<br />the NRO's Lacrosse satellites<br />the DMSP satellites<br />Aqua<br />Geotail<br /><br />That's just a bunch off the top of my head. <div class="Discussion_UserSignature"> <p> </p><p><font color="#666699"><em>"People assume that time is a strict progression of cause to effect, but actually from a non-linear, non-subjective viewpoint it's more like a big ball of wibbly wobbly . . . timey wimey . . . stuff."</em>  -- The Tenth Doctor, "Blink"</font></p> </div>

 

[vt_hokie]

Being that I work for Loral, I could think of quite a few, actually! <img src="/images/icons/wink.gif" />

 

[Testing]

Don't forget about the NOAA birds and the TDRS network.<br /> <div class="Discussion_UserSignature"> </div>

 

[giofx]

http://science.nasa.gov/Realtime/jtrack/3d/JTrack3D.htm<br /><br /><img src="/images/icons/tongue.gif" />

 

[Swampcat]

From JPL's list of missions, some that haven't been mentioned yet.<br /><br />Voyager 1<br />Voyager 2<br />Ulysses<br />Mars Global Surveyor<br />Cassini<br />Terra<br />Jason-1<br />GRACE<br />Rosetta<br />Aura<br />Deep Impact<br /><br /> <div class="Discussion_UserSignature"> <font size="3" color="#ff9900"><p><font size="1" color="#993300"><strong><em>------------------------------------------------------------------- </em></strong></font></p><p><font size="1" color="#993300"><strong><em>"I hold it that a little rebellion now and then is a good thing, and as necessary in the political world as storms in the physical. Unsuccessful rebellions, indeed, generally establish the encroachments on the rights of the people which have produced them. An observation of this truth should render honest republican governors so mild in their punishment of rebellions as not to discourage them too much. It is a medicine necessary for the sound health of government."</em></strong></font></p><p><font size="1" color="#993300"><strong>Thomas Jefferson</strong></font></p></font> </div>

 

[Swampcat]

And from ESA...<br /><br />Mars Express, Venus Express, Envisat, ERS-2, Integral, XMM-Newton and SMART-1.<br /><br />I almost forgot NASA's Messenger to Mercury. <div class="Discussion_UserSignature"> <font size="3" color="#ff9900"><p><font size="1" color="#993300"><strong><em>------------------------------------------------------------------- </em></strong></font></p><p><font size="1" color="#993300"><strong><em>"I hold it that a little rebellion now and then is a good thing, and as necessary in the political world as storms in the physical. Unsuccessful rebellions, indeed, generally establish the encroachments on the rights of the people which have produced them. An observation of this truth should render honest republican governors so mild in their punishment of rebellions as not to discourage them too much. It is a medicine necessary for the sound health of government."</em></strong></font></p><p><font size="1" color="#993300"><strong>Thomas Jefferson</strong></font></p></font> </div>