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[UPDATE] Cassini exits B-ring occultation, passes closest approach to Saturn,



 
 
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  #1  
Old July 1st 04, 05:11 AM
OM
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Default [UPDATE] Cassini exits B-ring occultation, passes closest approach to Saturn,

....JPL now reports that Cassini has exited from behind Saturn's
B-ring, signal is strong in the 8-10db range. C-ring is providing
almost no signal interference whatsoever as the end of the SOI burn
comes to an end. Note that telemetry does confirm that the burn is
going slightly ahead of schedule, and that the engine is probably in
an overburn mode of a couple of percent above expectations.

....On a side note, once SOI is completed, Cassini will have ~1.5 hours
of continuous burn fuel left in the primary engine. Considering the
overburn, YMMV.

....On another side note, those expecting images during the ring plane
pass will be disappointed. While JPL and the Cassini team didn't talk
much about it, all imaging systems were turned off during the plane
passage. Magenetometers were running fine, tho, so some science was
done. May have been the logical thing to do, but there's those old
animations from Voyager of the ring plane crossings that all of us
would have loved to have seen for real :-(

OM

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"No ******* ever won a war by dying for | http://www.io.com/~o_m
his country. He won it by making the other | Sergeant-At-Arms
poor dumb ******* die for his country." | Human O-Ring Society

- General George S. Patton, Jr
  #2  
Old July 1st 04, 01:02 PM
Scott Ferrin
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On Wed, 30 Jun 2004 23:11:17 -0500, OM
om@our_blessed_lady_mary_of_the_holy_NASA_researc h_facility.org
wrote:

...JPL now reports that Cassini has exited from behind Saturn's
B-ring, signal is strong in the 8-10db range. C-ring is providing
almost no signal interference whatsoever as the end of the SOI burn
comes to an end. Note that telemetry does confirm that the burn is
going slightly ahead of schedule, and that the engine is probably in
an overburn mode of a couple of percent above expectations.

...On a side note, once SOI is completed, Cassini will have ~1.5 hours
of continuous burn fuel left in the primary engine. Considering the
overburn, YMMV.

...On another side note, those expecting images during the ring plane
pass will be disappointed. While JPL and the Cassini team didn't talk
much about it, all imaging systems were turned off during the plane
passage. Magenetometers were running fine, tho, so some science was
done. May have been the logical thing to do, but there's those old
animations from Voyager of the ring plane crossings that all of us
would have loved to have seen for real :-(



That's answers a question I asked on another post. Kind of a bummer.
Between that and Galileo's death dive on the dark side we missed some
awesome pictures I'll bet.
  #3  
Old July 1st 04, 05:33 PM
Graeme Carrott
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In article , OM om@our_bles
sed_lady_mary_of_the_holy_NASA_research_facility.o rg writes

...On another side note, those expecting images during the ring plane
pass will be disappointed.


Hell, I'm just glad Cassini's made it through unscathed.... and looking
forward to information from Saturn in the next four years.

Thanks for the updates, OM.

--
Graeme Carrott
Membership Secretary/Treasurer, Air North
http://www.airnorth.demon.co.uk/
  #4  
Old July 1st 04, 07:50 PM
OM
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On Thu, 1 Jul 2004 17:33:01 +0100, Graeme Carrott
wrote:

In article , OM om@our_bles
sed_lady_mary_of_the_holy_NASA_research_facility. org writes

...On another side note, those expecting images during the ring plane
pass will be disappointed.


Hell, I'm just glad Cassini's made it through unscathed.... and looking
forward to information from Saturn in the next four years.


....Same here. Still, it would be interesting to find out if there's
enough fuel for such a crossing when it's time to wind up the mission.
Sure would beat the hell visually out of dropping it into Saturn first
:-)

Thanks for the updates, OM.


....Hey, no prob. Who says I don't contribute around here? :-P

OM

--

"No ******* ever won a war by dying for | http://www.io.com/~o_m
his country. He won it by making the other | Sergeant-At-Arms
poor dumb ******* die for his country." | Human O-Ring Society

- General George S. Patton, Jr
 




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