Author Topic: Kosmos-2421 launch - June 22  (Read 20544 times)

Offline anik

  • Global Moderator
  • Senior Member
  • *****
  • Posts: 7776
  • Liked: 955
  • Likes Given: 368
Kosmos-2421 launch - June 22
« on: 05/27/2006 11:40 am »
Kosmos-2421 (US-PU) reconnaissance satellite will be launched by Tsiklon-2 rocket from Baikonur cosmodrome on June 22...

http://www.skyrocket.de/space/doc_sdat/us-pm.htm (info about satellite from Gunter Krebs)

Offline anik

  • Global Moderator
  • Senior Member
  • *****
  • Posts: 7776
  • Liked: 955
  • Likes Given: 368
Re: Kosmos-2421 launch - June 22
« Reply #1 on: 06/08/2006 08:11 pm »
According to Novosti kosmonavtiki website, the docking of first and second stages of Tsiklon-2 rocket was begun on June 7... After finishing of this work there will be electrical tests of rocket...

Offline edkyle99

  • Expert
  • Senior Member
  • *****
  • Posts: 15391
    • Space Launch Report
  • Liked: 8566
  • Likes Given: 1356
Re: Kosmos-2421 launch - June 22
« Reply #2 on: 06/15/2006 08:14 pm »
Which area/pad will this launch take place from?

It will be the first Tsyklon 2 launch in about two years.  This and the planned Dnepr launches make it R-36(M) season!

 - Ed Kyle

Offline anik

  • Global Moderator
  • Senior Member
  • *****
  • Posts: 7776
  • Liked: 955
  • Likes Given: 368
Re: Kosmos-2421 launch - June 22
« Reply #3 on: 06/16/2006 08:41 am »
Quote
edkyle99 - 16/6/2006  12:01 AM

Which area/pad will this launch take place from?

90/20, I believe...

See images of this pad on http://forum.nasaspaceflight.com/forums/thread-view.asp?tid=2107&posts=5&start=1

Offline Space Lizard

  • Member
  • Full Member
  • **
  • Posts: 257
  • Liked: 7
  • Likes Given: 4
Re: Kosmos-2421 launch - June 22
« Reply #4 on: 06/22/2006 08:16 am »
Launch time anyone?
I watch rockets

Offline anik

  • Global Moderator
  • Senior Member
  • *****
  • Posts: 7776
  • Liked: 955
  • Likes Given: 368
Re: Kosmos-2421 launch - June 22
« Reply #5 on: 06/22/2006 09:10 am »
Quote
Space Lizard - 22/6/2006  12:03 PM

Launch time anyone?

Alas, I have not a launch time... And I think that Kosmos-2421 will not be launched today... But, according to Russian media, the satellite should be launched in the second half of June...

Offline Satori

  • Moderator
  • Global Moderator
  • Senior Member
  • *****
  • Posts: 14425
  • Campo do Geręs - Portugal
  • Liked: 1969
  • Likes Given: 1156
Re: Kosmos-2421 launch - June 22
« Reply #6 on: 06/25/2006 12:26 pm »
Images of the Cosmos 2421 launch at http://www.federalspace.ru/NewsDoSele.asp?NEWSID=1607   :)

Offline sammie

  • Veteran
  • Full Member
  • ****
  • Posts: 553
  • Liked: 1
  • Likes Given: 0
Re: Kosmos-2421 launch - June 22
« Reply #7 on: 06/25/2006 12:37 pm »
Thanks for the heads-up, its always great to see pictures of a cyclon launch, because they are so rare. Hopefully we will see more of them in the near future.
"The dreams ain't broken downhere, they're just walking with a limp"

Offline eeergo

Re: Kosmos-2421 launch - June 22
« Reply #8 on: 06/25/2006 02:30 pm »
I get an error message when I try to see the images... maybe a browser problem, or a website problem?
-DaviD-

Offline edkyle99

  • Expert
  • Senior Member
  • *****
  • Posts: 15391
    • Space Launch Report
  • Liked: 8566
  • Likes Given: 1356
Re: Kosmos-2421 launch - June 22
« Reply #9 on: 06/25/2006 02:32 pm »
Quote
slipstream - 25/6/2006  1:49 AM

ITAR-TASS and RIAN report successful launch of Tsyklon-2 rocket carrying a Kosmos-series satellite. Liftoff time was 8:00 MSD (04:00 UTC) and payload separated from the launch vehicle at 8:05 MSD.

If I've counted correctly, that was the 92nd consecutive Tsyklon 2 success going back to 1973, and the 104th success in 105 orbital attempts since the first launch of the Tsyklon 2 type in 1969.  These numbers would make Tsyklon-2 the world's most reliable existing space launcher.

 - Ed Kyle

Offline myersd97

  • Member
  • Posts: 5
  • Liked: 1
  • Likes Given: 1
Re: Kosmos-2421 launch - June 22
« Reply #10 on: 06/25/2006 02:53 pm »
I got the same error.  To see the pics, go to the basic website (www.federalspace.ru), click on the Russian language icon in the upper right, then click on the first news item (on the lower right side with the dates next to each item).

- Darrell

Offline jcm

  • Senior Member
  • *****
  • Posts: 3622
  • Jonathan McDowell
  • Somerville, Massachusetts, USA
    • Jonathan's Space Report
  • Liked: 1290
  • Likes Given: 775
Re: Kosmos-2421 launch - June 22
« Reply #11 on: 06/25/2006 03:12 pm »
Quote
edkyle99 - 25/6/2006  10:19 AM
 
If I've counted correctly, that was the 92nd consecutive Tsyklon 2 success going back to 1973, and the 104th success in 105 orbital attempts since the first launch of the Tsyklon 2 type in 1969.  These numbers would make Tsyklon-2 the world's most reliable existing space launcher.

 - Ed Kyle

Be careful though: the Tsyklon 2 delivers only to a marginal orbit with 100 km perigee (like the STS ET and the
Ariane 5 first stage). There have been a number of failures of the payload orbit insertion engine leading to
"successful" Tsyklon 2 launches in which the satellite failed to complete more than a couple of  orbits. So it's a little bit unfair
to compare it to vehicles like Ariane or Atlas which perform a complete orbital insertion.
And the three-stage version, Tsyklon 3, doesn't have quite as good a record.
 - Jonathan McDowell
-----------------------------

Jonathan McDowell
http://planet4589.org

Offline Satori

  • Moderator
  • Global Moderator
  • Senior Member
  • *****
  • Posts: 14425
  • Campo do Geręs - Portugal
  • Liked: 1969
  • Likes Given: 1156
Re: Kosmos-2421 launch - June 22
« Reply #12 on: 06/25/2006 03:59 pm »
Quote
myersd97 - 25/6/2006  9:40 AM

I got the same error.  To see the pics, go to the basic website (www.federalspace.ru), click on the Russian language icon in the upper right, then click on the first news item (on the lower right side with the dates next to each item).

- Darrell

It works ok for me, but here are the pics...

Offline edkyle99

  • Expert
  • Senior Member
  • *****
  • Posts: 15391
    • Space Launch Report
  • Liked: 8566
  • Likes Given: 1356
Re: Kosmos-2421 launch - June 22
« Reply #13 on: 06/26/2006 01:25 am »
Quote
jcm - 25/6/2006  9:59 AM

Quote
edkyle99 - 25/6/2006  10:19 AM
 
If I've counted correctly, that was the 92nd consecutive Tsyklon 2 success going back to 1973, and the 104th success in 105 orbital attempts since the first launch of the Tsyklon 2 type in 1969.  These numbers would make Tsyklon-2 the world's most reliable existing space launcher.

 - Ed Kyle

Be careful though: the Tsyklon 2 delivers only to a marginal orbit with 100 km perigee (like the STS ET and the
Ariane 5 first stage). There have been a number of failures of the payload orbit insertion engine leading to
"successful" Tsyklon 2 launches in which the satellite failed to complete more than a couple of  orbits. So it's a little bit unfair
to compare it to vehicles like Ariane or Atlas which perform a complete orbital insertion.
And the three-stage version, Tsyklon 3, doesn't have quite as good a record.
 - Jonathan McDowell

Good point, but Tsyklon 2 still provides about 99% of the total delta-v, all but the last 90 m/s or so, to the final 400 km orbit.  And it does achieve orbit, though one that is only good for a couple days or so.  One failure in 105 tries is an admirable accomplishment regardless.  Tsyklon 3 hasn't done quite as well (I have it at 8 failures in 121 attempts), but it still ranks among the world's most reliable (far better than Ariane 5 and many other active space launchers to date, but it is too soon to be sure about Atlas V).  

 - Ed Kyle

Offline sammie

  • Veteran
  • Full Member
  • ****
  • Posts: 553
  • Liked: 1
  • Likes Given: 0
Re: Kosmos-2421 launch - June 22
« Reply #14 on: 07/03/2006 02:58 pm »
Not good news from the satellite itself, it can be found here

It seems that one of the solar arrays can't be opened and that the US-PU therefor lacks the power to operate normally.

Does anybody have additional info on the new satellite mentioned in the article, Liana?
"The dreams ain't broken downhere, they're just walking with a limp"

Offline anik

  • Global Moderator
  • Senior Member
  • *****
  • Posts: 7776
  • Liked: 955
  • Likes Given: 368
Re: Kosmos-2421 launch - June 22
« Reply #15 on: 07/03/2006 05:33 pm »
According to other source, only one of four sections of one of two solar batteries has not opened aboard Kosmos-2421 satellite, and it does not influence functioning of satellite...

Offline ostangen

  • Member
  • Posts: 47
  • Liked: 5
  • Likes Given: 0
Re: Kosmos-2421 launch - June 22
« Reply #16 on: 02/12/2010 08:16 am »
Debris from Kosmos-2441 re-enters over Mexico, and allegendly creating a 30 meter wide crater

http://news.discovery.com/space/mexican-meteorite-was-it-russian-space-junk.html


Offline Danderman

  • Extreme Veteran
  • Senior Member
  • *****
  • Posts: 10288
  • Liked: 699
  • Likes Given: 723
Re: Kosmos-2421 launch - June 22
« Reply #17 on: 02/12/2010 02:29 pm »
"According to media sources in Mexico, a 30 meter wide crater was left after a meteorite impacted approximately 100 miles to the northwest of Mexico City in the municipality of Ahuazotepec, Puebla."

Puebla is east of Mexico City, not west. Something is wrong with the article.

Tags:
 

Advertisement NovaTech
Advertisement Northrop Grumman
Advertisement
Advertisement Margaritaville Beach Resort South Padre Island
Advertisement Brady Kenniston
Advertisement NextSpaceflight
Advertisement Nathan Barker Photography
0