Author Topic: LIVE: Zenit-2SB launch with Phobos-Grunt - November 8, 2011  (Read 426148 times)

Offline Cbased

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Re: LIVE: Zenit-2SB launch with Phobos-Grunt - November 8, 2011
« Reply #340 on: 11/08/2011 08:09 PM »
(local) Launch time is 00:16:02,871

Offline yaroslav

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« Last Edit: 11/08/2011 08:12 PM by yaroslav »

Offline cro-magnon gramps

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Re: LIVE: Zenit-2SB launch with Phobos-Grunt - November 8, 2011
« Reply #342 on: 11/08/2011 08:13 PM »
Schedule EST

The spacecraft's main propulsion unit, or MDU, ignites at 2255 GMT (5:55 p.m. EST) for a burn lasting nine-and-a-half minutes to raise the apogee, or high point, of its orbit to an altitude of more than 2,500 miles.
  2 minutes later Auxiliary Fuel Tanks Separation

After coasting through space for two hours, Phobos-Grunt's MDU ignites again at 0102 GMT Wednesday (8:02 p.m. EST Tuesday) to accelerate the spacecraft on an escape trajectory toward Mars.

18 minutes later MDU shuts down
Phobos-Grunt reaches an interplanetary trajectory at 0120 GMT Wednesday (8:20 p.m. EST Tuesday) following the second burn of the main propulsion unit. The probe will reach orbit at Mars in October 2012.

Svetoslav, I'll be looking for your updates  :)

Cheers

Gramps

PS going to do my own wall poster with the important milestones for the next few years  ;D Don't want to forget this bird
"Hate, it has caused a lot of problems in the world, but it has not solved one yet." Maya Angelou
 Tony Benn: "Hope is the fuel of progress and fear is the prison in which you put yourself."

Offline kaptein80

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Re: LIVE: Zenit-2SB launch with Phobos-Grunt - November 8, 2011
« Reply #343 on: 11/08/2011 08:22 PM »
Hi,

Thanks to the translator, amazing jobb!! I watched the live transmittion via http://www.tsenki.com/ but since I do not understand russian I was just sitting and watching the transmittion but after the channel was shutdown I found out this web page!! so THANKSS!!!!! Now I wanna learn russian!!

Online Svetoslav

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Re: LIVE: Zenit-2SB launch with Phobos-Grunt - November 8, 2011
« Reply #344 on: 11/08/2011 08:25 PM »
I am not a Russian speaker - but Russian is close to all Slavic languages, and the narrator was loud and clear.

Yaroslav is also from Ukraine and their mother language is Ukrainian (Ukrainska mova), but I guess they can speak Russian very well.

Offline tehwkd

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Re: LIVE: Zenit-2SB launch with Phobos-Grunt - November 8, 2011
« Reply #345 on: 11/08/2011 08:36 PM »
If you missed it: Launch of Zenit-2SB carrying Fobos-Grunt & Yinghuo-1. [LONG VERSION]

Custodian of @NextLaunch, janitor of LaunchLibrary.net

Offline Space Pete

Observers are still being recruited to watch the two Fregat burns. Not all of them are on Earth. More to come.

From ISS On-Orbit Status Report for 08/11/2011.

FOBOS-GRUNT Launch:
If everything goes as planned, Russia will launch its FOBOS-GRUNT (Phobos-Soil) probe to Mars tonight at 7:16pm EST on a Zenit-2SB/Fregat rocket. The Phobos Sample Return Mission PhSRM, which is also carrying a Chinese Mars satellite, Yinghuo-1, a 2nd Chinese experiment, and an experiment of the U.S. Planetary Society, will land on the Martian moon and return a soil sample (~200g) to Earth. It will also study Mars from orbit, including its atmosphere and dust storms, plasma and radiation environment. The return vehicle is scheduled to arrive back on Earth in August 2014. The spacecraft will be inserted into a 207 x 347 km elliptical orbit inclined 51.4 deg. After 2.5 hrs flight (1.7 revs) the main propulsion system will be ignited to transfer the spacecraft into an elliptical orbit of 250 km x 4150 (...4170) km, with a period of 2.2 hrs. After 2.1 hrs (1 revolution), a 2nd engine burn for TMI (Trans-Mars Injection) at 8:04:06pm EST will transfer the spacecraft into an interplanetary Earth-Mars trajectory.
The ISS crew will be able to view PhSRM tonight, starting at ~7:58pm, at a range of 3248 nmi., with the spacecraft and its exhaust plume in sunlight for the entire duration of the viewing opportunity and the ISS in eclipse (darkness). If successful, Russia is back in the business of planetary exploration. Letís all wish them well! Godspeed, Fobos-Grunt!
Electronic Engineer by day, NASASpaceflight's ISS Editor by night | Read my NASASpaceflight articles here

Offline sewand

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Re: LIVE: Zenit-2SB launch with Phobos-Grunt - November 8, 2011
« Reply #347 on: 11/08/2011 08:45 PM »
Good luck Fobos-Grunt!  It's a very ambitious and interesting mission.

Offline Blackstar

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Re: LIVE: Zenit-2SB launch with Phobos-Grunt - November 8, 2011
« Reply #348 on: 11/08/2011 08:45 PM »
Many years ago (mid-1990s) I was at a conference where somebody from Ukraine showed a video of the Zenit launch preparations. They were then starting to market it for western launches. The Americans--including some people who worked on US launch vehicle operations--were all amazed at how automated everything was. They just press a few buttons and the vehicle rolls out to the pad and connects itself. They have people to monitor what is happening, but it was a lot different than US launch preparations.

Offline yaroslav

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Re: LIVE: Zenit-2SB launch with Phobos-Grunt - November 8, 2011
« Reply #349 on: 11/08/2011 08:50 PM »
I will be on-line. You can rely on me.

thanks
« Last Edit: 11/08/2011 08:50 PM by yaroslav »

Online e of pi

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Re: LIVE: Zenit-2SB launch with Phobos-Grunt - November 8, 2011
« Reply #350 on: 11/08/2011 08:57 PM »
Observers are still being recruited to watch the two Fregat burns. Not all of them are on Earth. More to come.

From ISS On-Orbit Status Report for 08/11/2011.

FOBOS-GRUNT Launch:
If everything goes as planned, Russia will launch its FOBOS-GRUNT (Phobos-Soil) probe to Mars tonight at 7:16pm EST on a Zenit-2SB/Fregat rocket. The Phobos Sample Return Mission PhSRM, which is also carrying a Chinese Mars satellite, Yinghuo-1, a 2nd Chinese experiment, and an experiment of the U.S. Planetary Society, will land on the Martian moon and return a soil sample (~200g) to Earth. It will also study Mars from orbit, including its atmosphere and dust storms, plasma and radiation environment. The return vehicle is scheduled to arrive back on Earth in August 2014. The spacecraft will be inserted into a 207 x 347 km elliptical orbit inclined 51.4 deg. After 2.5 hrs flight (1.7 revs) the main propulsion system will be ignited to transfer the spacecraft into an elliptical orbit of 250 km x 4150 (...4170) km, with a period of 2.2 hrs. After 2.1 hrs (1 revolution), a 2nd engine burn for TMI (Trans-Mars Injection) at 8:04:06pm EST will transfer the spacecraft into an interplanetary Earth-Mars trajectory.
The ISS crew will be able to view PhSRM tonight, starting at ~7:58pm, at a range of 3248 nmi., with the spacecraft and its exhaust plume in sunlight for the entire duration of the viewing opportunity and the ISS in eclipse (darkness). If successful, Russia is back in the business of planetary exploration. Letís all wish them well! Godspeed, Fobos-Grunt!

I would love to see those pictures/video! What an amazing vantage point on this flight!

Offline Blackstar

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Re: LIVE: Zenit-2SB launch with Phobos-Grunt - November 8, 2011
« Reply #351 on: 11/08/2011 09:20 PM »
Here is one of the videos they showed before launch, which shows the vehicle being wheeled out to the pad:




Offline JimO

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Re: LIVE: Zenit-2SB launch with Phobos-Grunt - November 8, 2011
« Reply #352 on: 11/08/2011 09:41 PM »
  2 minutes later Auxiliary Fuel Tanks Separation

Don't count this dull-sounding maneuver out as the source of an astonishing sky apparition. The post-sep propellant dump, especially on Molniya-orbit insertions, has created a short-lived dim spherical cloud larger than the moon, moving across the skies of Chile, Argentina, and Uruguay, a dozen times or so in past decades [whenever the burn happened to occur just after local sunset].

Different booster, different ground track, different illumination conditions -- but potentially similar visual effects. Especially if the tank is tumbling as it vents, creating not a symmetric cloud but a spiralform apparition.

And no, nobody who EVER saw these past apparitions EVER suspected it was an EARTH spacecraft causing them. Just the opposite...[sigh].

Offline JimO

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Re: LIVE: Zenit-2SB launch with Phobos-Grunt - November 8, 2011
« Reply #353 on: 11/08/2011 09:46 PM »
Good to see the space cat is out of the bag re the ISS observations. I was relaying messages back and forth for the last three days between friends old and new, tried and true, to facilitate this, and it now may actually happen. Mostly we left upper management out of the loop.

On the Russian side, is there any indication that IKI asked TsUP-M to have Volkov try to see it, or didn't they think to ask?

Online Svetoslav

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Re: LIVE: Zenit-2SB launch with Phobos-Grunt - November 8, 2011
« Reply #354 on: 11/08/2011 09:55 PM »
Too bad. Novosti Kosmonavtiki appears offline and this is my best source for news...

Offline yaroslav

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Re: LIVE: Zenit-2SB launch with Phobos-Grunt - November 8, 2011
« Reply #355 on: 11/08/2011 09:55 PM »
btw, it is a time for the first burn of the Fobos-Grunt powerplant

Offline JimO

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Re: LIVE: Zenit-2SB launch with Phobos-Grunt - November 8, 2011
« Reply #356 on: 11/08/2011 09:59 PM »
We should be into the first on-orbit burn, crossing the Chile coast near Concepcion, then across to north eastern Brazil. It could be a long time before we hear about any ground sightings, but it will take only half an hour to get confirmation from Moscow that the burn went well.


Then we can monitor live ISS A/G as Mike [and maybe Sergey] report live on what THEY are seeing for burn-2.

« Last Edit: 11/08/2011 09:59 PM by JimO »

Offline yaroslav

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Re: LIVE: Zenit-2SB launch with Phobos-Grunt - November 8, 2011
« Reply #357 on: 11/08/2011 10:06 PM »
23:05:18.253 - UTC time for powerplant shutdown

Offline yaroslav

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Re: LIVE: Zenit-2SB launch with Phobos-Grunt - November 8, 2011
« Reply #358 on: 11/08/2011 10:07 PM »
23:07:17.145 - UTC time for fuel tank separation

Offline pippin

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Re: LIVE: Zenit-2SB launch with Phobos-Grunt - November 8, 2011
« Reply #359 on: 11/08/2011 10:08 PM »
Schedule (UTC):
22:56 First ignition of ADU (for 570 sec)
23:07 Tank jettison
01:03 Second ignition of ADU (for 1061 sec)

Tank jettison? I thought this ADU is essentially a Fregat? Since when does Fregat have jettisonable tanks? Any details on this? I mean: I don't see how this could even work with Fregat's overlapping tanks spheres.
Or is this the additional ring shown in one of the videos?
« Last Edit: 11/08/2011 10:09 PM by pippin »

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