Author Topic: Rokot – Three Gonets-M (blok № 14); Kosmos-2504 – March 31, 2015 (13:47:56 UTC)  (Read 21860 times)

Offline Star One

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TLEs out for three payloads and the Briz-M - nothing yet for a putative 4th payload.
Briz-M in 1170 x 1504 km disposal orbit, rest in 1494 x 1506 km, so looks like mission success for the Gonets and Briz.
I recall that Kosmos-2499 took a while to be discovered and cataloged.

Was the second special payload given a Kosmos designation?
« Last Edit: 03/31/2015 07:27 PM by Star One »

Offline russianhalo117

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TLEs out for three payloads and the Briz-M - nothing yet for a putative 4th payload.
Briz-M in 1170 x 1504 km disposal orbit, rest in 1494 x 1506 km, so looks like mission success for the Gonets and Briz.
I recall that Kosmos-2499 took a while to be discovered and cataloged.

Was the second special payload given a Kosmos designation?
yes, number is Kosmos-2504.
« Last Edit: 03/31/2015 07:38 PM by russianhalo117 »

Offline Satori

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Offline Satori

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Short launch video...


Offline Satori

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There is also a launch video posted on the Russian Ministry of Defence faceboo page at https://www.facebook.com/video.php?v=1599862353589848&fref=nf

Offline Star One

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TLEs out for three payloads and the Briz-M - nothing yet for a putative 4th payload.
Briz-M in 1170 x 1504 km disposal orbit, rest in 1494 x 1506 km, so looks like mission success for the Gonets and Briz.
I recall that Kosmos-2499 took a while to be discovered and cataloged.

Was the second special payload given a Kosmos designation?
yes, number is Kosmos-2504.
Thanks for the Information.

Online Galactic Penguin SST

Chinese spaceflight is a cosmic riddle wrapped in a galactic mystery inside an orbital enigma... - (not) Winston Churchill

Offline input~2

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A fifth object has been catalogued in an orbit close to that of object D (could be Kosmos-2504 in an orbit close to that of Briz-KM)
2015-020E/40556 in 1172 x 1506 km x 82.49°

Offline satwatcher

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The object currently classified as 40555/2015-020D is transmitting at the same radio frequency as COSMOS-2491 and COSMOS-2499. It is highly likely that 40555/2015-020D is COSMOS-2504.

Offline jcm

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Kosmos-2504 has begun manuevers in orbit.
On Apr 9 the orbit was raised by about 3 km. Further changes continued on Apr 13-14.
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Jonathan McDowell
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Offline B. Hendrickx

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There appears to have been a rendezvous between Kosmos-2504 and the Briz-KM upper stage around April 16, with the Briz-KM eventually ending up in a higher orbit.

Here's an update on the website of Anatoly Zak, who speculates there may have been some kind of physical contact between the two objects.

http://www.russianspaceweb.com/Cosmos-2504.html

Offline Stan Black

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Kosmos-2504 is article 14Ф153?

Quote
Оказание услуг по подготовке и запуску РКН «Рокот» 14А05-АС11М № 72526 с блоком космических аппаратов 372 АС71М (КА «Гонец-М» № 21,22,23, КА14Ф153)  с космодрома «Плесецк»
http://tsenki.com/upload/iblock/da1/План%20закупок%20ЦЭНКИ%20на%202015%20год%20версия%209.xlsx
http://tsenki.com/partners_customers/purchases/guidelines/
« Last Edit: 06/16/2015 11:14 PM by Stan Black »

Offline jcm

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As noted by Anatoliy and Igor in other forums, Kosmos-2504 made a major orbit change on Jul 3.

On Jul 3 around 0710 orbit changed from 1172 x 1506 km to 1117 x 1455 km
Later on Jul 3 this was tweaked to 1119 x 1452 km  (or,  might be just a more accurate measurement)

The Briz-KM stage is still in a 1172 x 1506 km orbit, no change since the Apr 14 orbit perturbation noted by Anatoliy.

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Jonathan McDowell
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Offline Olaf

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https://twitter.com/RussianSpaceWeb/status/855419791791857665
Quote
#Russia's mystery satellite comes back to life, supposedly! Details: http://russianspaceweb.com/Cosmos-2504.html#2017 … #Kosmos2504

Offline Liss

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From 30 Mar 2017 till 20 Apr 2017 K2504 has descended in several paces by 500 km in perigee height.

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