Author Topic: Soyuz-2.1v - Kosmos 2525 (EMKA) - Plesetsk - March 29, 2018 (17:38 UTC)  (Read 22655 times)

Offline Stan Black

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A new thread for the possible launch of a classified payload on late December or beginning of 2018 from the Plesetsk Cosmodrome.

Original posts were from Lotos launch thread that takes place on December 1, 2017.


Do we at least know by now what version of the Soyuz-2.1 will be used?  ;)
I would not be surprised if it is a Soyuz 2.1b. Many were ordered.

The rockets insured in this period are either 1b or 1v.
http://forum.nasaspaceflight.com/index.php?topic=26990.msg1697849#msg1697849
« Last Edit: 03/29/2018 08:08 PM by Satori »

Offline Olaf

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Re: Soyuz-2-1b - Lotos - Plesetsk - December 1, 2017
« Reply #1 on: 10/23/2017 07:18 AM »
It will be a 2-1v, but it is now delayed to November.
http://www.militarynews.ru/Story.asp?rid=1&nid=464881

Offline Galactic Penguin SST

Re: Soyuz-2-1b - Lotos - Plesetsk - December 1, 2017
« Reply #2 on: 10/23/2017 07:32 AM »
It will be a 2-1v, but it is now delayed to November.
http://www.militarynews.ru/Story.asp?rid=1&nid=464881

Interesting to see that just a little bit earlier ago the next 2.1v wasn't going to fly until 2018: https://iz.ru/648333/dmitrii-strugovetc/novyi-soiuz-sbrosit-baki

Maybe the Russian military are now transferring the last payloads planned on Rockot (up to 3 flights as per reports before the Sentinel 5p launch) to the S-2.1v?
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Offline Nicolas PILLET

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Re: Soyuz-2-1b - Lotos - Plesetsk - December 1, 2017
« Reply #3 on: 10/23/2017 12:54 PM »
Tentatively scheduled for 18th November.
Nicolas PILLET
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Offline Nicolas PILLET

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Re: Soyuz-2-1b - Lotos - Plesetsk - December 1, 2017
« Reply #4 on: 10/24/2017 09:32 PM »
Launch delayed indefinitely.
Nicolas PILLET
Kosmonavtika : The French site on Russian Space

Offline Phillip Clark

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Re: Soyuz-2-1b - Lotos - Plesetsk - December 1, 2017
« Reply #5 on: 10/25/2017 01:44 AM »
Launch delayed indefinitely.

Any indications why?
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Offline Alter Sachse

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Offline Alter Sachse

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Re: Soyuz-2-1b - Lotos - Plesetsk - December 1, 2017
« Reply #7 on: 11/03/2017 04:08 PM »
see reply # 1
It seems to be this satellite (Liana/Lotos or "Lotos FO")
http://www.russianspaceweb.com/2017.html#milsat
This report is about a Soyuz-2.1B not 2.1V
Something is wrong.
25.10. is mentioned (-->2.1v)
and Lotos is too heavy for 2.1v...
2.1B must be another launch ?
« Last Edit: 11/03/2017 04:09 PM by Alter Sachse »

Offline Phillip Clark

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Re: Soyuz-2-1b - Lotos - Plesetsk - December 1, 2017
« Reply #8 on: 11/03/2017 04:23 PM »
see reply # 1
It seems to be this satellite (Liana/Lotos or "Lotos FO")
http://www.russianspaceweb.com/2017.html#milsat
This report is about a Soyuz-2.1B not 2.1V
Something is wrong.
25.10. is mentioned (-->2.1v)
and Lotos is too heavy for 2.1v...
2.1B must be another launch ?

I think that the confusion is because originally it wasn't known which version of the Soyuz-2 would be used on this launch.   When it became clear it was to be a Soyuz-2-1V that narrowed down the payload which could be carried.l
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Offline russianhalo117

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Re: Soyuz-2-1b - Lotos - Plesetsk - December 1, 2017
« Reply #9 on: 11/03/2017 04:25 PM »
see reply # 1
It seems to be this satellite (Liana/Lotos or "Lotos FO")
http://www.russianspaceweb.com/2017.html#milsat
This report is about a Soyuz-2.1B not 2.1V
Something is wrong.
25.10. is mentioned (-->2.1v)
and Lotos is too heavy for 2.1v...
2.1B must be another launch ?

I think that the confusion is because originally it wasn't known which version of the Soyuz-2 would be used on this launch.   When it became clear it was to be a Soyuz-2-1V that narrowed down the payload which could be carried.l
Note: Information that I have is that there are not any Soyuz-2.1v launchers available for launch at this time in Plesetsk Cosmodrome at this time but one will become ready after the launch listed below for either the very end of the year or early next year.

Updated Information:
http://russianspaceweb.com/2017.html
Quote
Dec. 1: A Soyuz-2-1B rocket to launch the first 14F145/Lotos military satellite for the Liana electronic intelligence network from Plesetsk. The mission was previously planned for Oct. 25, 2017, but had to be postponed until beginning of November and until November 18, at the earliest, due to problems with the satellite. On Oct. 25, space officials were expected to hold a meeting in Moscow on the status of the mission. The launch was then postponed until December 1, 2017.

....

December: A Soyuz-2-1v rocket to launch a classified payload from Plesetsk.
« Last Edit: 11/03/2017 04:37 PM by russianhalo117 »

Offline Stan Black

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Re: Soyuz-2-1b - Lotos - Plesetsk - December 1, 2017
« Reply #10 on: 11/04/2017 08:19 AM »
1st post says this:-

Quote
According to a post from Nicolas Pillet on the schedule thread, there will be a Soyuz-2 launch from Plesetsk on 25th October 2017.
http://forum.nasaspaceflight.com/index.php?topic=43835.msg1727496#msg1727496

Does not say variant/class/type of rocket to be launched; is it a 1v or a 1b.

Guesswork posts then follow.

From repy 7, 23rd October
http://forum.nasaspaceflight.com/index.php?topic=43835.msg1741003#msg1741003
Quote
The next launch of the Soyuz 2.1v rocket was planned for October, but for technical reasons it was decided to postpone it to November.
http://www.militarynews.ru/Story.asp?rid=1&nid=464881

So to Mr. Zak and www.russianspaceweb.com

Using Archive.org
https://web.archive.org/web/20171023195111/www.russianspaceweb.com/2017.html

23rd October update has no mention of Lotos, just this entry:-

Quote
November: A Soyuz-2-1v rocket to launch a classified payload from Plesetsk. The mission was previously planned for Oct. 25, 2017.

Then in November it became:-

Quote
Dec. 1: A Soyuz-2-1B rocket to launch the first 14F145/Lotos military satellite for the Liana electronic intelligence network from Plesetsk. The mission was previously planned for Oct. 25, 2017, but had to be postponed until beginning of November and until November 18, at the earliest, due to problems with the satellite. On Oct. 25, space officials were expected to hold a meeting in Moscow on the status of the mission. The launch was then postponed until December 1, 2017.

December: A Soyuz-2-1v rocket to launch a classified payload from Plesetsk.
« Last Edit: 11/04/2017 08:29 AM by Stan Black »

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Cross-post:
Soyuz-2-1v - December 27
http://novosti-kosmonavtiki.ru/forum/messages/forum14/topic14042/message1711028/#message1711028
***

If this Soyuz-2-1v carries a Volga upper stage to a SSO or other polar orbit, as all 3 previous launches of this "make/model" have, are there any "expected" payloads with an estimated mass within the capabilities of this LV?
(I assume that since no payload has been announced, it's a classified payload.)

Gunter's Space Page lists 1400 kg as the maximum payload mass to SSO: http://space.skyrocket.de/doc_lau_det/soyuz-2-1v_volga.htm
***

EDIT 11/28: Are there any payloads designed for launch on Soyuz-2-1v, with no upper stage?
(To state this another way, are there any payloads designed for launch on Soyuz-2-1v, which contain their own propulsion, and do not need an upper stage to place itself into a final orbit?)
« Last Edit: 11/28/2017 06:11 PM by zubenelgenubi »
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Offline Stan Black

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Is this the payload?

Quote
Оказание услуг по авиационной перевозке контейнера с ЭМКА, контейнеров с НТО на космодром «Плесецк» и его страхованию
http://zakupki.gov.ru/223/purchase/public/purchase/info/common-info.html?regNumber=31705773827

Quote
9) Проведены исследования по созданию космического комплекса ДЗЗ на базе экспериментального малого космического аппарата (ЭМКА).
Перспективы развития в сегменте НПК «Космические комплексы» в 2017 году:
- осуществление запуска экспериментального малого космического аппарата;
- продолжение исследований по созданию космического комплекса ДЗЗ на базе экспериментального малого космического аппарата;
http://www.vniiem.ru/ru/uploads/files/god_otchet_2016.pdf
« Last Edit: 11/25/2017 08:10 PM by Stan Black »

Offline B. Hendrickx

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Is this the payload?

Quote
Оказание услуг по авиационной перевозке контейнера с ЭМКА, контейнеров с НТО на космодром «Плесецк» и его страхованию
http://zakupki.gov.ru/223/purchase/public/purchase/info/common-info.html?regNumber=31705773827

Quote
9) Проведены исследования по созданию космического комплекса ДЗЗ на базе экспериментального малого космического аппарата (ЭМКА).
Перспективы развития в сегменте НПК «Космические комплексы» в 2017 году:
- осуществление запуска экспериментального малого космического аппарата;
- продолжение исследований по созданию космического комплекса ДЗЗ на базе экспериментального малого космического аппарата;
http://www.vniiem.ru/ru/uploads/files/god_otchet_2016.pdf

This looks interesting. VNIIEM's annual report for 2016 talks about the development of a remote sensing satellite "on the basis of an experimental small space apparatus" (EMKA), which is listed separately from Kanopus. Among the objectives for 2017 it mentions the launch of "Kanopus-V-IK, Meteor M nr. 2-1, Kanopus nr. 3 and 4 and EMKA".

The other document is a contract for the transportation of EMKA to Plesetsk in November 2017.

EMKA is also mentioned several times in this VNIIEM procurement document for  2017 :
www.vniiem.ru/ru/uploads/files/plan_zakupok_2017-11.08.xls

The document mentions : delivery of brochures for EMKA in June 2017 (for the MAKS aerospace show??), painting of the payload fairing for EMKA in July 2017 and transportation of VNIIEM managers and personnel to the launch site by May 2018 (which would not be consistent with a Dec 2017 launch date, but it may have been moved forward).

I'm not sure if anything like this was shown at MAKS-2017. Not likely if this is a military mission.

The bus could be the same one used for Kanopus, Lomonosov and BKA (the Belorussian satellite), which has been identified as UMKP-400 (UMKP = Universal Small Space Platform) and MSP (Small Servicing Platform). VNIIEM also worked on a heavier platform called UMKP-800 that it proposed early this century for Meteor and Elektro, but it did not get selected at the time. It's described in detail in an issue of the VNIIEM journal in 2001:
http://jurnal.vniiem.ru/text/100/2.pdf
This should also be compatible with the Soyuz-2-1v, but it's unlikely to be still under development.
 

Offline Satori

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Re: Soyuz-2.1v - ?? - Plesetsk - December 27, 2017
« Reply #14 on: 12/07/2017 06:29 PM »
Delayed to 2018.

Offline B. Hendrickx

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Re: Soyuz-2.1v - EMKA - Plesetsk - 2018
« Reply #15 on: 12/20/2017 10:08 PM »
https://iz.ru/682354/dmitrii-strugovetc-aleksei-ramm/rossiia-ispytaet-eksperimentalnyi-sputnik-razvedchik

Sources within the Ministry of Defense and space industry have confirmed to Izvestia that the payload for the Soyuz-2-1v launch is a small reconnaissance satellite developed by VNIIEM and known by the acronym EMKA ("Experimental Small Space Apparatus"). Launch was originally scheduled for October and then slipped to November, December and eventually January due to technical problems with the payload.

As evidence for the existence of the satellite the Izvestia journalist gives the same documents referred to earlier in this thread by Stan Black (the VNIIEM annual report for 2016 and a transportation document), which were subsequently also posted on the NK forum. It looks very much like the Izvestia journalist found out about EMKA  via the NK forum and then contacted sources in the Ministry of Defense and the space industry to confirm that it is the payload for the upcoming Soyuz-2.1v launch. Kudos to Stan Black for tracking down this payload.

Online William Graham

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Re: Soyuz-2.1v - EMKA - Plesetsk - 2018
« Reply #16 on: 12/31/2017 11:26 PM »
The Russian launch schedule thread lists this one as scheduled for this week. Has there been any indication that it is holding that schedule? Has anybody seen any NOTAMs that could indicate a launch is close?

Offline russianhalo117

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Re: Soyuz-2.1v - EMKA - Plesetsk - 2018
« Reply #17 on: 01/01/2018 02:18 AM »
The Russian launch schedule thread lists this one as scheduled for this week. Has there been any indication that it is holding that schedule? Has anybody seen any NOTAMs that could indicate a launch is close?
Anatoly Zak has it listed now on his site in the first quarter after Soyuz MS-08 due to ongoing payload issues although he does not yet call it EMKA. He foresee's no launches until February at this time.
http://russianspaceweb.com/2018.html
« Last Edit: 01/01/2018 02:22 AM by russianhalo117 »

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Re: Soyuz-2.1v - EMKA - Plesetsk - February 28, 2018
« Reply #19 on: 01/11/2018 09:47 PM »
Do we know if this launch will use an upper stage, such as Volga, or launch with no upper stage?

If not, when do we find out--when the LV is rolled out to the pad and images are released?
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Offline Phillip Clark

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Re: Soyuz-2.1v - EMKA - Plesetsk - February 28, 2018
« Reply #20 on: 01/11/2018 09:51 PM »
Do we know if this launch will use an upper stage, such as Volga, or launch with no upper stage?
If not, when do we find out--when the LV is rolled out to the pad and images are released?

The Volga stage will presumably be hidden within the payload shroud, so it won't be visible.
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Offline Stan Black

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Re: Soyuz-2.1v - EMKA - Plesetsk - February 28, 2018
« Reply #21 on: 01/11/2018 10:05 PM »
Do we know if this launch will use an upper stage, such as Volga, or launch with no upper stage?
If not, when do we find out--when the LV is rolled out to the pad and images are released?

The Volga stage will presumably be hidden within the payload shroud, so it won't be visible.

From what I have found, I think the first six rockets had associated Volga upper stages. The initial five are part of one contract for the Russian military. The sixth was for Lomonosov satellite.
« Last Edit: 01/12/2018 07:20 AM by Stan Black »

Offline russianhalo117

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Re: Soyuz-2.1v - EMKA - Plesetsk - February 28, 2018
« Reply #22 on: 01/12/2018 12:38 AM »
The Russian launch schedule thread lists this one as scheduled for this week. Has there been any indication that it is holding that schedule? Has anybody seen any NOTAMs that could indicate a launch is close?
Anatoly Zak has it listed now on his site in the first quarter after Soyuz MS-08 due to ongoing payload issues although he does not yet call it EMKA. He foresee's no launches until February at this time.
http://russianspaceweb.com/2018.html
Anatoly Zak has determined that EMKA is actually a Spacecraft Platform for the MKA programme and not the name of the Spacecraft flying:
http://russianspaceweb.com/2018.html#mka
Quote
Feb. 28: A Soyuz-2-1v rocket to launch a classified payload based on the experimental small-satellite platform, EMKA, from Plesetsk.
« Last Edit: 01/12/2018 04:19 PM by russianhalo117 »

Offline B. Hendrickx

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Re: Soyuz-2.1v - EMKA - Plesetsk - February 28, 2018
« Reply #23 on: 01/12/2018 07:23 AM »
Anatoly Zak has determined that EMKA is actually a Spacecraft Platform and not the name of the Spacecraft flying:
http://russianspaceweb.com/2018.html#mka
Quote
Feb. 28: A Soyuz-2-1v rocket to launch a classified payload based on the experimental small-satellite platform, EMKA, from Plesetsk.
[/quote]

That would be confirmed by the fact that the VNIIEM annual report for 2016 (mentioned earlier in this thread) talks about "a satellite based on EMKA". The name of the satellite itself is probably classified. No Ministry of Defense designator (like 14F...) identified yet either.

Offline Stan Black

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Re: Soyuz-2.1v - EMKA - Plesetsk - February 28, 2018
« Reply #24 on: 01/12/2018 07:29 AM »
The Russian launch schedule thread lists this one as scheduled for this week. Has there been any indication that it is holding that schedule? Has anybody seen any NOTAMs that could indicate a launch is close?
Anatoly Zak has it listed now on his site in the first quarter after Soyuz MS-08 due to ongoing payload issues although he does not yet call it EMKA. He foresee's no launches until February at this time.
http://russianspaceweb.com/2018.html
Anatoly Zak has determined that EMKA is actually a Spacecraft Platform and not the name of the Spacecraft flying:
http://russianspaceweb.com/2018.html#mka
Quote
Feb. 28: A Soyuz-2-1v rocket to launch a classified payload based on the experimental small-satellite platform, EMKA, from Plesetsk.

Look back at the earlier posts: remote sensing satellite “on the basis of an experimental small space apparatus" (EMKA)”.
http://forum.nasaspaceflight.com/index.php?topic=44139.msg1753080#msg1753080

Mr. Zak has done this before, during the 1st Bars-M launch for example. Contents of his website are edited or changed but you can already find details in the NSF.

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Re: Soyuz-2.1v - EMKA - Plesetsk - February 28, 2018
« Reply #25 on: 01/12/2018 03:45 PM »
There could be a link between EMKA and two small high-resolution remote sensing satellites described in the 4/2014 issue of the VNIIEM journal "Voprosy elektromekhaniki". One is called "Zvezda" ("Star") and the other MKA-V (MKA standing for "small satellite" and "V" for high resolution). Zvezda is described as a technology demonstrator for MKA-V. Zvezda is a 150 kg satellite in a 300 km orbit with a maximum resolution of 0.5 m and a minimum lifetime of one year and MKA-V is a 250 kg satellite in a 450 km orbit with a maximum resolution of 0.6 m and a minimum lifetime of five years. VNIIEM was said to be wiling to launch Zvezda in the first quarter of 2015 without any government funding in order to pave the way for MKA-V.  More details (including a drawing of MKA-V) here:

http://jurnal.vniiem.ru/text/141/17-22.pdf
(see p. 18-19)

Zvezda/MKA-V were apparently presented here as civilian remote sensing satellites, but might just as well be used for military purposes.

Zvezda is also mentioned in a paper given by VNIIEM specialists at the Korolyov Academic Readings in January 2015. Here it is described as a 200 kg satellite in a near-circular 500 km Sun-synchronous orbit with a minimum lifetime of 5 years. The paper focused mainly on the selection of orbit correction engines for the satellites. The authors say that the choice had fallen on the hydrazine-fueled K50.-10-5 thermal catalytic thrusters of OKB Fakel (also installed on NPO Lavochkin's Kosmos-2519 satellite).

http://ihst.ru/files/pdfs/Korolevskie-chteniya-2015-Materialy.pdf
(see p. 59-60)







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Re: Soyuz-2.1v - EMKA - Plesetsk - end of March 2018
« Reply #26 on: 02/18/2018 07:21 PM »
Cross-post from Plan of Russian Space Launches (part 2) thread:
https://twitter.com/RussianSpaceWeb/status/964957604651859969
Quote
Russian military postpones the launch of a #Soyuz-2-1v rocket with a classified payload from #Plesetsk until the end of March: http://www.russianspaceweb.com/2018.html#mka

EDIT:
Soyuz-2-1v - March 28-29:
http://novosti-kosmonavtiki.ru/forum/messages/forum14/topic16307/message1742272/#message1742272
« Last Edit: 03/24/2018 02:01 AM by zubenelgenubi »
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Offline B. Hendrickx

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Re: Soyuz-2.1v - EMKA - Plesetsk - late March 2018
« Reply #27 on: 03/14/2018 08:56 AM »
http://zakupki.gov.ru/223/purchase/public/purchase/info/common-info.html?regNumber=31806178974

This is a contract signed between VNIIEM and the Yuri Gagarin Cosmonaut Training Center on 21 February 2018 for delivery of a satellite to the Plesetsk cosmodrome on 26 February (almost certainly EMKA). The satellite was to be transported to the launch site from Chkalovskiy airfield near Moscow using an Ilyushin-76 owned by the cosmonaut training center.

Interestingly, a reference is made to a contract signed between the Ministry of Defense and VNIIEM on 23 October 2015. If this is the official start date of the project, it would mean that EMKA has reached the launch pad much faster than any Russian military satellite in recent memory. This could mean that it draws heavily on existing VNIIEM designs such as Meteor and Kanopus-V.

There's another description of EMKA in a paper presented at a conference on remote sensing satellites in 2015.
http://www.vniiem.ru/ru/uploads/files/conferences/150423/sbornik_tezisov_2015.pdf
(p. 41-42).

It is described as a three-axis stabilized satellite with a mass of no more than 200 kg and equipped with hydrazine thrusters (presumably the K50.-10-5 thermal catalytic thrusters of OKB Fakel, see reply 25 in this thread).  It can be used for high-resolution panchromatic and multispectral photography and is said to be capable of "video imaging" and "stereo imaging". 

Offline Nicolas PILLET

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Re: Soyuz-2.1v - EMKA - Plesetsk - late March 2018
« Reply #28 on: 03/14/2018 10:25 AM »
The satellite was to be transported to the launch site from Chkalovskiy airfield near Moscow using an Ilyushin-76 owned by the cosmonaut training center.

Which is quite strange...
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Re: Soyuz-2.1v - EMKA - Plesetsk - late March 2018
« Reply #29 on: 03/14/2018 06:51 PM »
The satellite was to be transported to the launch site from Chkalovskiy airfield near Moscow using an Ilyushin-76 owned by the cosmonaut training center.

Which is quite strange...

A new, intra-governmental source of funding for the cosmonaut training center?  (An inter-unit transfer?)
« Last Edit: 03/14/2018 06:52 PM by zubenelgenubi »
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Offline B. Hendrickx

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Re: Soyuz-2.1v - EMKA - Plesetsk - late March 2018
« Reply #30 on: 03/14/2018 08:42 PM »
The satellite was to be transported to the launch site from Chkalovskiy airfield near Moscow using an Ilyushin-76 owned by the cosmonaut training center.

Which is quite strange...

Actually, there are three contracts for the transportation of EMKA from Moscow to Plesetsk on the zakupki.gov.ru website :

http://zakupki.gov.ru/223/purchase/public/purchase/info/common-info.html?regNumber=31705773827
between VNIIEM and Volga-Dnepr
from Moscow/Sheremetyevo to Plesetsk, scheduled for 27 November 2017
"purchase completed"

http://zakupki.gov.ru/223/purchase/public/purchase/info/common-info.html?regNumber=31806147300
between VNIIEM and OAO 224 LO
from Moscow/Chkalovskiy to Plesetsk, scheduled for 26 February 2018
"purchase canceled"

http://zakupki.gov.ru/223/purchase/public/purchase/info/common-info.html?regNumber=31806178974
between VNIIEM and the Yuri Gagarin Cosmonaut Training Center
from Moscow/Chkalovskiy to Plesetsk, scheduled for 26 February 2018
"purchase completed"

I'm not sure if this means that EMKA was transported to Plesetsk in November and then shipped back after problems cropped up at the cosmodrome.

The VNIIEM-Star City contract gives the Ilyushin-76 as the plane to be used for the transport, but the interpretation that this plane actually belongs to Star City was mine.  A quick check shows Star City only has three ll-76MDK planes modified for parabolic 0-g flights. I don't think these can be used for the transportation of cargo. All this would require further analysis, but in the end I suppose it's not all that important who transported the satellite to Plesetsk. The main thing to remember from these documents is the date that VNIIEM and the Ministry of Defense signed the contract for the development of EMKA.


Offline Stan Black

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Re: Soyuz-2.1v - EMKA - Plesetsk - late March 2018
« Reply #31 on: 03/16/2018 05:42 AM »
It shows RF 75353 which is the zero gravity aeroplane?

Also the first document shows different mass of cargo for the later flights?

Offline B. Hendrickx

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Re: Soyuz-2.1v - EMKA - Plesetsk - late March 2018
« Reply #32 on: 03/16/2018 10:24 AM »
It shows RF 75353 which is the zero gravity aeroplane?

Well spotted, Stan. The Ilyushin-76 with tail number RF 75353 is indeed one of Star City's zero gravity aeroplanes, so it looks these can be used as cargo planes after all.

Offline B. Hendrickx

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Re: Soyuz-2.1v - EMKA - Plesetsk - late March 2018
« Reply #33 on: 03/23/2018 02:32 PM »
With the launch of EMKA approaching (no signs of another delay yet), here’s a recap of what we know and some additional background plus new information.

Although EMKA appears to use a new bus, it probably inherits many features from VNIIEM’s Kanopus satellites. These satellites (as well as the Belarusian satellite BKA and the Lomonosov scientific satellite) were based on a bus called UMKP-400 (bus mass about 350 kg, payload mass about 100 kg).  This was built in cooperation with UK-based Surrey Satellite Technology, which delivered satellite avionics and software, electrical power management and batteries, onboard computers sand data handling software and also provided satellite assembly and integration support. 

In mid-August 2015 Izvestiya reported that Roskosmos had decided to abandon plans for follow-on Kanopus satellites (called Kanopus-VM) under the Federal Space Program 2016-2025 because of the dropping value of the ruble and the resulting high cost of the imported equipment (Western-imposed sanctions probably also played a role).
https://iz.ru/news/589904

Paradoxically, two weeks after this article appeared, VNIIEM signed a protocol with Surrey at the MAKS-2015 aerospace show on possible co-operation on a future Russian remote sensing satellite, but that never seems to have resulted in the signing of an actual contract. During the same show, VNIIEM also signed agreements for the development of a follow-on Belarusian satellite (BKA-2) and an Iranian remote sensing satellite.  These satellites are currently under development and it is not clear if they still incorporate equipment built by Surrey Satellite Technologies. The Iranian satellite is said to be based on a “modified Kanopus platform”. 

Even while UMKP-400 was still under development about a decade ago, VNIIEM began looking at even smaller platforms for remote sensing missions, apparently without any foreign involvement. One of those was a 350 kg satellite called Kartograf (“Cartographer”) for mapping purposes. See p. 12-14, 21 of this PowerPoint presentation:

http://www.myshared.ru/slide/955930/

A paper in 2013 talked about an “experimental platform for a small satellite” with a total mass of about 140 kg (platform mass up to 90 kg, payload mass up to 50 kg) and designed to be placed into Sun-synchronous orbits at altitudes between 500 and 1,000 kg.
http://vka.mil.ru/upload/site5/document_file/640_2013.pdf
(see p. 40)

It would seem that EMKA has its roots in these earlier proposals. By 2014 VNIIEM was working out proposals for a high-resolution remote sensing satellite called MKA-V (MKA standing for ‘small satellite” and “V” for high resolution) to be preceded by a technology demonstrator called Zvezda (“Star”). Zvezda was described as a 150 kg satellite in a 300 km orbit with a maximum resolution of 0.5 m and a minimum lifetime of one year and MKA-V as a 250 kg satellite in a 450 km orbit with a maximum resolution of 0.6 m and a minimum lifetime of five years. VNIIEM was said to be willing to launch Zvezda in the first quarter of 2015 without any government funding in order to pave the way for MKA-V. These plans were revealed in a 2014 issue of VNIIEM’s in-house journal “Voprosy Elektromekhaniki”.

http://jurnal.vniiem.ru/text/141/17-22.pdf
(see p. 18-19)

VNIIEM specialists subsequenty presented plans for Zvezda at the Korolyov Academic Readings in January 2015, describing it as a 200 kg satellite in a near-circular 500 km Sun-synchronous orbit with a minimum lifetime of 5 years. The paper focused mainly on the selection of orbit correction engines for the satellite, with the final choice having fallen on the hydrazine-fueled K50.-10-5 thermal catalytic thrusters of OKB Fakel.

http://ihst.ru/files/pdfs/Korolevskie-chteniya-2015-Materialy.pdf
(see p. 59-60)

An “experimental small satellite” was the subject of another paper by VNIIEM specialists at a remote sensing conference in April 2015. Although they didn’t call it Zvezda, several elements suggested they were talking about one and the same satellite.

http://www.vniiem.ru/ru/uploads/files/conferences/150423/sbornik_tezisov_2015.pdf
(p. 41-42)

The next mention of the “experimental small satellite” came in VNIIEM’s annual report for 2016, which said it was scheduled for launch in 2017.

http://www.vniiem.ru/ru/uploads/files/god_otchet_2016.pdf
(p. 8, 10)

This, together with a publicly available contract to transport EMKA to Plesetsk,  was spotted by Stan Black last November and linked in this thread to an upcoming launch of the Soyuz-2-1v booster from Plesetsk. This was the starting point for all the subsequent revelations posted here and on the Novosti Kosmonavtiki forum. The Izvestiya newspaper apparently picked up on these postings last December, using its own sources in the space industry to confirm the nature of the Soyuz-2-1v payload.

https://iz.ru/682354/dmitrii-strugovetc-aleksei-ramm/rossiia-ispytaet-eksperimentalnyi-sputnik-razvedchik


The fact that Zvezda/EMKA was openly presented in publications in 2014-2015 would suggest that at that point VNIIEM was primarily looking at Roskosmos as a potential customer for the satellite. However, we now know from the openly available contracts for the delivery of the satellite to the Plesetsk cosmodrome that the contract for the development of the satellite was signed between VNIIEM and the Ministry of Defense on 23 October 2015. This would explain why the project “went black” afterwards and has since not shown up in any publicly available papers (at least not that I’m aware of). 

It will be interesting to see the coming week how much is publicly revealed about the satellite, which will give us a good idea whether this is dedicated military satellite or a dual-use military/civilian satellite. A presentation by the Ingosstrakh insurance company lists the EMKA launch as one insured under Russia’s “Federal Space Program 2018”. FSP usually covers only civilian and dual-use missions. However, the list also includes Blagovest, which I understand is a dedicated military communications satellite.

http://www.raaks.ru/docs/doc20180227_012.pdf
(p. 10)

Offline B. Hendrickx

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Re: Soyuz-2.1v - EMKA - Plesetsk - late March 2018
« Reply #34 on: 03/23/2018 02:40 PM »
One subcontractor involved in EMKA may be the company SKTB Plastik, based in Syzran (Samara region). According to the company’s website,  it is producing a carbon composite housing for an optical module to be installed on “the small satellite Zvezda on orders of the VNIIEM corporation”.

The housing for the camera(s) is said to measure 1276 x 405 x 721 mm and weigh less than 30 kg.  It is mentioned on two pages on the website, neither of which (unlike most other pages) are translated into English.

http://www.sktb-plastik.ru/129/
http://www.sktb-plastik.ru/169/

Two of the drawings of the camera housing are attached below.

There is a very detailed technical description of the housing in this paper (without any reference to the satellite for which it is intended):

http://www.sktb-plastik.ru/media/files/2016_4_571_577.pdf

Neither the website nor the paper provide any clue as to who is manufacturing the actual camera(s) to be installed inside the housing.  VNIIEM subcontracted the development of cameras for Kanopus-V and the identical Belarusian BKA satellite to the Belarusian company OAO Peleng, based in Minsk. Last December OAO Peleng’s director Vladimir Pokryshkin said five satellites carrying his company’s cameras would be launched in 2018.
 
http://naviny.by/new/20171213/1513171561-pyat-sputnikov-s-apparaturoy-belorusskogo-oao-peleng-gotovyatsya-k-startu-v

Four of those are Kanopus-V nr. 3 and 4 (launched in February) and Kanopus-V nr. 5 and 6 (scheduled for launch late this year). He didn’t identify the fifth satellite, saying only it would carry equipment with a resolution of 1m or better (“as ordered by our president [Lukashenko]”) and that the cameras would be delivered in mid-2018 for launch later in the year. That doesn’t seem to agree with the timelines for EMKA, which is scheduled to fly next week (although I have not seen any confirmation of that yet). Pokryshkin may have been referring to Egyptsat-A (built by RKK Energiya), which is now scheduled for launch in early 2019, but may still have been targeted for launch in late 2018 when he made these comments. Egyptsat-A will carry optical equipment built by OAO Peleng.

OAO Peleng is also building cameras for the next Belarusian satellite (BKA-2) and could also be involved (although not confirmed) in the Kanopus-based Iranian satellite. The “Plan for Russian space launches” thread on this forum lists both BKA-2 and the Iranian satellite as potential co-passengers for Kanopus nr. 5 and 6 later this year, but recent press reports suggest BKA-2 will not fly until late 2019 or 2020. The status of the Iranian satellite is unclear. A recent report mentioned only 12 Dove cubesats as co-passengers for Kanopus 5/6.

https://ria.ru/science/20180110/1512354374.html

OAO Peleng is apparently also involved in another satellite project under a joint Russian-Belarusian remote sensing program called Monitoring-SG, but the Russian prime contractor for that would appear to be Khrunichev.

http://www.belta.by/newscompany/view/oao-peleng-uchastvuet-v-sozdanii-novogo-malogo-sputnika-distantsionnogo-zondirovanija-zemli-188634-2016/
https://sit.basnet.by/monitoring/index/index

In short, there is no clear evidence that OAO Peleng has extended its partnership with VNIIEM beyond the Kanopus-based satellites. Despite the close ties between Russia and Belarus,  the Russians may want to prefer using domestically built cameras for a military satellite like EMKA. 

Offline Phillip Clark

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Re: Soyuz-2.1v - EMKA - Plesetsk - late March 2018
« Reply #35 on: 03/24/2018 12:50 AM »
Thinking about the probable low mass of this satellite and its potential for imaging reconnaissance, I am reminded that Israel's 1995 Ofeq 3 was 225 kg and had a similar mission.
I've always been crazy but it's kept me from going insane - WJ.

Offline Galactic Penguin SST

Re: Soyuz-2.1v - EMKA - Plesetsk - late March 2018
« Reply #36 on: 03/26/2018 05:06 AM »
So....are there any NOTAMs that can show a more concrete launch date/time yet?   ;)
Chinese spaceflight is a cosmic riddle wrapped in a galactic mystery inside an orbital enigma... - (not) Winston Churchill

Offline Phillip Clark

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Re: Soyuz-2.1v - EMKA - Plesetsk - late March 2018
« Reply #37 on: 03/26/2018 07:25 AM »
Based upon recent history, should we have a competition to guess the Cosmos serial number? ;)
I've always been crazy but it's kept me from going insane - WJ.

Offline Satori

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Re: Soyuz-2.1v - EMKA - Plesetsk - late March 2018
« Reply #38 on: 03/26/2018 01:51 PM »
Launch on March 29 (?)

Tweet from Anatoly Zak

The State Commission overseeing the preparation for launch of a #Soyuz-2-1v rocket from #Plesetsk with a Russian military payload was to meet today to give the final go ahead to the liftoff on March 29. Details: http://www.russianspaceweb.com/2018.html#mka
« Last Edit: 03/26/2018 01:52 PM by Satori »

Offline Alter Sachse

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Re: Soyuz-2.1v - EMKA - Plesetsk - late March 2018
« Reply #39 on: 03/26/2018 01:59 PM »
So we would have 4 launches on 29.03. !

Offline input~2

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Re: Soyuz-2.1v - EMKA - Plesetsk - March 29, 2018
« Reply #40 on: 03/26/2018 04:44 PM »
Launch planned between 1630 and 1715 UTC on March 29  (alternate March 30) presumably to an SSO

BARENTS SEA.
RUSSIA.
DNC 22.
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
1630Z TO 1715Z DAILY 29 AND 30 MAR
IN AREA BOUND BY
70-18N 033-49E, 70-12N 034-11E,
69-54N 034-45E, 69-33N 034-47E,
69-25N 034-15E, 69-35N 033-37E,
69-53N 033-05E, 70-13N 033-11E.
2. CANCEL THIS MSG 301815Z MAR 18.//

Authority: NAVAREA XX 25/18 221730Z MAR 18.

Date: 221734Z MAR 18
Cancel: 30181500 Mar 18

BARENTS SEA.
SVALBARD.
DNC 22.
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
1630Z TO 1715Z DAILY 29 AND 30 MAR
IN AREA BOUND BY
75-59N 21-26E, 75-50N 22-05E,
75-34N 22-47E, 75-21N 22-52E,
75-15N 22-13E, 75-24N 21-29E,
75-36N 20-51E, 75-53N 20-43E.
2. CANCEL THIS MSG 301815Z MAR 18.//

Authority: NAVAREA XIX 26/18 260630Z MAR 18.

Date: 260906Z MAR 18
Cancel: 30181500 Mar 18

Offline Alter Sachse

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Re: Soyuz-2.1v - EMKA - Plesetsk - March 29, 2018
« Reply #41 on: 03/26/2018 05:14 PM »
for comparison:
Persona 98.3°
Bars M   97.6°

pics:input~2
« Last Edit: 03/26/2018 05:19 PM by Alter Sachse »

Offline Alter Sachse

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Re: Soyuz-2.1v - EMKA - Plesetsk - March 29, 2018
« Reply #42 on: 03/26/2018 05:28 PM »
(20.12.2017)
The experimental small spacecraft (EMKA) was developed by the VNIIEM Corporation, one of the leading developers of remote sensing satellites, according to the Izvestia newspaper.

Another source told the newspaper that the reconnaissance satellite would be launched from the Plesetsk cosmodrome in Russia's north-western Arkhangelsk Region atop Soyuz-2.1v light carrier rocket.

https://sputniknews.com/military/201712201060153263-russia-satellite-space-orbite-reconnaissance/

Offline B. Hendrickx

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Re: Soyuz-2.1v - EMKA - Plesetsk - March 29, 2018 (~16:45 UTC)
« Reply #43 on: 03/28/2018 09:09 AM »
The latest NOTAM indicates the launch will take place a little later, between 17.15 and 18.30 UTC.

(as quoted on the NK forum)

Quote
HYDROARC 39/2018 (42,43)

BARENTS SEA.
SVALBARD.
DNC 22.
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
1715Z TO 1830Z DAILY 29 AND 30 MAR
IN AREA BOUND BY
75-59N 021-26E, 75-50N 022-05E,
75-34N 022-47E, 75-21N 022-52E,
75-15N 022-13E, 75-24N 021-29E,
75-36N 020-51E, 75-53N 020-43E.
2. CANCEL HYDROARC 36/18.
3. CANCEL THIS MSG 301930Z MAR 18.

( 270756Z MAR 2018 )

Offline Phillip Clark

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Re: Soyuz-2.1v - EMKA - Plesetsk - March 29, 2018 (~16:45 UTC)
« Reply #44 on: 03/28/2018 02:37 PM »
Is this really what the EMKA platorm looks like?

https://www.facebook.com/notes/roland-berga/roscosmos-next-launch/2008939572469330/

It looks rather more massive than ~200 kg to me ..........
I've always been crazy but it's kept me from going insane - WJ.

Offline Stan Black

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Re: Soyuz-2.1v - EMKA - Plesetsk - March 29, 2018 (~16:45 UTC)
« Reply #45 on: 03/28/2018 03:09 PM »
Is this really what the EMKA platorm looks like?

https://www.facebook.com/notes/roland-berga/roscosmos-next-launch/2008939572469330/

It looks rather more massive than ~200 kg to me ..........

Spektr-RG?

Offline russianhalo117

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Re: Soyuz-2.1v - EMKA - Plesetsk - March 29, 2018 (~17:20 UTC)
« Reply #46 on: 03/28/2018 04:19 PM »
Is this really what the EMKA platorm looks like?

https://www.facebook.com/notes/roland-berga/roscosmos-next-launch/2008939572469330/

It looks rather more massive than ~200 kg to me ..........

Spektr-RG?
Yes they are showing Spektr-RG which is flying on Proton-M/Blok-DM-03.

Offline Phillip Clark

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Re: Soyuz-2.1v - EMKA - Plesetsk - March 29, 2018 (~17:20 UTC)
« Reply #47 on: 03/28/2018 04:27 PM »
Is this really what the EMKA platorm looks like?
https://www.facebook.com/notes/roland-berga/roscosmos-next-launch/2008939572469330/
It looks rather more massive than ~200 kg to me ..........
Spektr-RG?
Yes they are showing Spektr-RG which is flying on Proton-M/Blok-DM-03.

I knew that I should be suspicious.   At least the person who decided to use the photo did use a Russian satellite!
« Last Edit: 03/28/2018 05:00 PM by Phillip Clark »
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Offline Alter Sachse

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Re: Soyuz-2.1v - EMKA - Plesetsk - March 29, 2018 (~17:20 UTC)
« Reply #49 on: 03/28/2018 04:55 PM »
I would be surprised if a photograph of a military payload is released before launch.

Offline B. Hendrickx

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Re: Soyuz-2.1v - EMKA - Plesetsk - March 29, 2018 (~17:20 UTC)
« Reply #50 on: 03/28/2018 08:34 PM »
The latest NOTMARs now move the launch window back forward : 16.30-18.30 UTC

(as quoted on the NK forum)

Quote
HYDROARC 40/2018 (42,43)

BARENTS SEA.
SVALBARD.
DNC 22.
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
1630Z TO 1830Z DAILY 29 AND 30 MAR
IN AREA BOUND BY
75-59N 021-26E, 75-50N 022-05E,
75-34N 022-47E, 75-21N 022-52E,
75-15N 022-13E, 75-24N 021-29E,
75-36N 020-51E, 75-53N 020-43E.
2. CANCEL HYDROARC 39/18.
3. CANCEL THIS MSG 301930Z MAR 18.

( 271909Z MAR 2018 )

HYDROARC 41/2018 (42)

BARRENTS SEA.
RUSSIA.
DNC 22.
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
1630Z TO 1830Z DAILY 29 AND 30 MAR
IN AREA BOUND BY
70-18N 033-49E, 70-12N 034-11E,
69-54N 034-45E, 69-33N 034-47E,
69-25N 034-15E, 69-35N 033-37E,
69-53N 033-05E, 70-13N 033-11E.
2. CANCEL HYDROARC 32/18.
3. CANCEL THIS MSG 301930Z MAR 18.

( 280134Z MAR 2018 )

Offline Stan Black

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Re: Soyuz-2.1v - EMKA - Plesetsk - March 29, 2018 (~17:20 UTC)
« Reply #51 on: 03/28/2018 10:14 PM »
Is there a NOTAM for the disposal of the Volga, or what is the best way to search for these?

Offline input~2

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Re: Soyuz-2.1v - EMKA - Plesetsk - March 29, 2018 (~17:20 UTC)
« Reply #52 on: 03/29/2018 12:45 PM »
Is there a NOTAM for the disposal of the Volga, or what is the best way to search for these?
AFAICT no corresponding NOTAM for South Pacific area has been published

Offline Galactic Penguin SST

Anatoly Zak
@RussianSpaceWeb

State Commission overseeing preparations for today's liftoff of #Soyuz-2-1v rocket from #Plesetsk to begin its final pre-launch meeting...
Chinese spaceflight is a cosmic riddle wrapped in a galactic mystery inside an orbital enigma... - (not) Winston Churchill

Offline Galactic Penguin SST

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

Offline AStick

https://twitter.com/RussianSpaceWeb/status/979365045556703232

Launch time will be at 17:38:42 UTC.

Hey, no fair!  China has that hour; now I have to reschedule everything.  :(

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Re: Soyuz-2.1v - EMKA - Plesetsk - March 29, 2018 (17:38 UTC)
« Reply #56 on: 03/29/2018 03:48 PM »
A direct video link? Or being military is not transmitted?.

Offline Satori

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Re: Soyuz-2.1v - EMKA - Plesetsk - March 29, 2018 (17:38 UTC)
« Reply #57 on: 03/29/2018 03:54 PM »
A direct video link? Or being military is not transmitted?.

Not transmitted.

Online Chris Bergin

A direct video link? Or being military is not transmitted?.

No webcast for us, comrades. ;)

Offline Satori

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Re: Soyuz-2.1v - EMKA - Plesetsk - March 29, 2018 (17:38 UTC)
« Reply #59 on: 03/29/2018 05:39 PM »
It's launch time! Waiting for news from Plesetsk!

Offline Artyom.

Confirmation from Russian observers:

"Только что видел как ракета летела с плесецка возможно, что за запуск?"
"Earth is the cradle of humanity, but one cannot live in a cradle forever." - Konstantin Eduardovich Tsiolkovsky.

Offline Artyom.

And confirmation from the Russian media:

http://tass.ru/kosmos/5079998
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Re: Soyuz-2.1v - EMKA - Plesetsk - March 29, 2018 (17:38 UTC)
« Reply #62 on: 03/29/2018 05:56 PM »
And confirmation from the Russian media:

http://tass.ru/kosmos/5079998

ITAR-TASS is saying the launch was successful.

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Re: Soyuz-2.1v - EMKA - Plesetsk - March 29, 2018 (17:38 UTC)
« Reply #63 on: 03/29/2018 06:09 PM »
ITAR-TASS is saying the launch was successful.

It says that the launcher has successfully lifted-off. It's very too early to qualify this launch as successful.
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Offline Nicolas PILLET

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Re: Soyuz-2.1v - EMKA - Plesetsk - March 29, 2018 (17:38 UTC)
« Reply #64 on: 03/29/2018 06:11 PM »
Orbit has been achieved. It will take "several hours" to reach the target orbit.

http://tass.ru/kosmos/5080043
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Offline Phillip Clark

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Re: Soyuz-2.1v - EMKA - Plesetsk - March 29, 2018 (17:38 UTC)
« Reply #65 on: 03/29/2018 06:18 PM »
Orbit has been achieved. It will take "several hours" to reach the target orbit.
http://tass.ru/kosmos/5080043

I note that the satellite isn't named and also that the launch time has been "chopped", rather than being rounded to 20h 39m Moscow Time.
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Re: Soyuz-2.1v - EMKA - Plesetsk - March 29, 2018 (17:38 UTC)
« Reply #66 on: 03/29/2018 06:44 PM »
These pictures show Angara-A5 launch in 2014 and second Soyuz-2.1v launch in 2015.

Congratulations to Spaceflightfans.cn for putting their mark on pictures that do not belong to them and that do not show today launch.
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Online Chris Bergin

These pictures show Angara-A5 launch in 2014 and second Soyuz-2.1v launch in 2015.

Congratulations to Spaceflightfans.cn for putting their mark on pictures that do not belong to them and that do not show today launch.

Removed it and that site won't be allowed to post here again.

Offline Artyom.

Fantastic photos from VKontakte (Russian social media)  :o
"Earth is the cradle of humanity, but one cannot live in a cradle forever." - Konstantin Eduardovich Tsiolkovsky.

Offline Artyom.

More...  8)
"Earth is the cradle of humanity, but one cannot live in a cradle forever." - Konstantin Eduardovich Tsiolkovsky.

Offline B. Hendrickx

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Re: Soyuz-2.1v - EMKA - Plesetsk - March 29, 2018 (17:38 UTC)
« Reply #70 on: 03/29/2018 07:41 PM »
http://www.militarynews.ru/story.asp?rid=1&nid=477436

Interfax-AVN now quoting the press service of the Ministry of Defense as saying that the satellite reached its target orbit at the intended time. Steady telemetry being received, on-board systems functioning normally. The satellite has been named Kosmos-2525.

Offline input~2

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Re: Soyuz-2.1v - EMKA - Plesetsk - March 29, 2018 (17:38 UTC)
« Reply #71 on: 03/29/2018 08:00 PM »
Object A cataloged  at epoch 19:27 UTC

2018-028A in 316 x 319 km x 96.64°
« Last Edit: 03/29/2018 08:09 PM by input~2 »

Offline input~2

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Offline input~2

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We also have Object B (Stage II?)

2018-028B/43244 in 316 x 317 km x 96.64°
« Last Edit: 03/29/2018 08:31 PM by input~2 »

Offline Phillip Clark

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We also have Object B (Stage II?)
2018-028B/43244 in 316 x 317 km x 96.64°

I am guessing that this might be Volga, with the second stage (still called Blok I?) in a lower, more eccentric orbit.   Compare with the Cosmos 2519 launch.
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Offline Satori

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There was no Volga on this launch.

Offline eric_astro

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The Antares rocket was backed out of using a modified NK-33. Issues during test firings and the in-flight failure were blamed by Russia on the Aerojet modifications. From the list of Aerojet changes, their assertion doesn't seem very plausible. Any insights on how the Russians really discounted the failure potential?

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There was no Volga on this launch.

Interesting...another piece of evidence to deduce the payload was relatively light, light enough to be placed in SSO with no Volga upper stage?
***

Also, another data point of successful use of the NK-33.
« Last Edit: 03/29/2018 11:17 PM by zubenelgenubi »
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Seems to correspond to SSO according to https://smallsats.org/2013/04/11/sun-synchronous-circular-orbit/

SSO, but not quite on. Significant drift rate (-0.32 hours/year). Perfect SSO at this inc would be around 290 km,
so perhaps it will lower its orbit. Or it may be that the expected lifetime is short.
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Offline russianhalo117

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There was no Volga on this launch.

Interesting...another piece of evidence to deduce the payload was relatively light, light enough to be placed in SSO with no Volga upper stage?
***

Also, another data point of successful use of the NK-33.
the platform for this mission is based on a predecessor platform flown on Rockot, Cosmos-3M and as secondary payloads. The payload is called EMKA, Zvezda, Kosmos-2525.
http://russianspaceweb.com/emka.html

Offline Nicolas PILLET

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There was no Volga on this launch.

Really ? So, why the mission lasted "several hours", according to TASS ?
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Offline Nicolas PILLET

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Offline Artyom.

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Some screen grabs.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Galactic Penguin SST

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Some pics were also posted at the Roscosmos VK site

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Re: Soyuz-2.1v - Cosmos 2525 (EMKA) - Plesetsk - March 29 2018
« Reply #88 on: 03/30/2018 11:23 AM »
Do we know if this launch will use an upper stage, such as Volga, or launch with no upper stage?
If not, when do we find out--when the LV is rolled out to the pad and images are released?
The Volga stage will presumably be hidden within the payload shroud, so it won't be visible.
From what I have found, I think the first six rockets had associated Volga upper stages. The initial five are part of one contract for the Russian military. The sixth was for Lomonosov satellite.

Apparently, Cosmos 2525 did not carry the Volga stage.   I wonder if this means that the EMKA payload was not originally scheduled to be one of the first 5/6 launches?
« Last Edit: 03/30/2018 11:42 AM by Phillip Clark »
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Offline Stan Black

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Do we know if this launch will use an upper stage, such as Volga, or launch with no upper stage?
If not, when do we find out--when the LV is rolled out to the pad and images are released?
The Volga stage will presumably be hidden within the payload shroud, so it won't be visible.
From what I have found, I think the first six rockets had associated Volga upper stages. The initial five are part of one contract for the Russian military. The sixth was for Lomonosov satellite.

Apparently, Cosmos 2525 did not carry the Volga stage.   I wonder if this means that the EMKA payload was not originally scheduled to be one of the first 5/6 launches?

My thoughts too, but I was waiting for the serial numbers to be revealed…

There is several tenders and other references to the six rockets. The 1st five are from the same contract 11/93.

This project started in 2015, so that is after the rockets were to be completed?

2011  1М138С  78031001 / Л15000-001
2013  2М138С  76058002
2014  3М138С  78072003
      4М138С   
      5М138С   
2015  6М138С  Р15000-006

Offline input~2

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Offline Phillip Clark

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No TLEs for either Cosmos 2525 or the Blok I for today's epoch so far.
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Offline GWR64

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TLEs from today:

Quote
2018-028A               
1 43243U 18028A   18089.57457019 -.00000128  00000-0  00000+0 0  9990
2 43243  96.6418 146.0162 0002140  93.2731  54.4532 15.84608771   138
2018-028B               
1 43244U 18028B   18089.30767569  .00007630  00000-0  33211-4 0  9995
2 43244  96.6452 145.7665 0001399 179.6283 247.5337 15.85056574    99

Source Celestrak

Offline Alter Sachse

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 Sorry
What does that mean, so I understand it?
96,64° ... ...
« Last Edit: 03/30/2018 08:16 PM by Alter Sachse »

Offline GWR64

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2018-028A
316 x 319 km x 96,64 deg

2018-028B
315 x 317 km x 96,65 deg

tool: https://www.satellite-calculations.com/TLETracker/SatTracker.htm
« Last Edit: 03/30/2018 08:41 PM by GWR64 »

Offline Avengers

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Re: Soyuz-2.1v - EMKA - Plesetsk - March 29, 2018 (17:38 UTC)
« Reply #95 on: 03/31/2018 05:02 AM »
These pictures show Angara-A5 launch in 2014 and second Soyuz-2.1v launch in 2015.

Congratulations to Spaceflightfans.cn for putting their mark on pictures that do not belong to them and that do not show today launch.

Removed it and that site won't be allowed to post here again.

Sorry, I'm sorry, I'm not a member of this site. I just kindly transported the pictures. In fact, on this site, only a small part of their own production or exclusive pictures will add the mark of this site. Other pictures do not have a mark. You can visit this site to compare with other sites in their country. I hope to get your forgiveness, thank you.

Offline Nicolas PILLET

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Some months ago, NK announced that fourth flight of Soyuz-2.1v would use launcher n°5.

I try to read the serial number on the video, but it is not easy...
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Offline Alter Sachse

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Some months ago, NK announced that fourth flight of Soyuz-2.1v would use launcher n°5.

I try to read the serial number on the video, but it is not easy...
78072- ?

Offline Nicolas PILLET

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Yes, I can read "7807200", but the last figure (the most interesting) is still mysterious !
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Offline Alter Sachse

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Yes, I can read "7807200", but the last figure (the most interesting) is still mysterious !
According to your notice, it should be 78072-005 (78072005)
« Last Edit: 03/31/2018 12:48 PM by Alter Sachse »

Offline Nicolas PILLET

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According to your notice, it should be 78072-005 (78072005)

Yes, it should be... But I'd like to have a confirmation...
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Offline owais.usmani

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Does this launcher use a newly built engine, or did it use one built back in the 70s?

Offline input~2

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To support the assumption that there was no Volga on this flight, here is a comparison of press releases from Progress (the manufacturer of both Soyuz and Volga) for this flight and the previous one in 2017 which included a Volga.
Yesterday's release makes no mention of Volga while the June 24, 2017 release quotes Volga several times.
https://samspace.ru/news/press_relizy/11957/
https://samspace.ru/news/press_relizy/10232/

Quote
The launch of the Soyuz-2 rocket of phase 1v
March 30, 2018
On March 29, 2018, the Soyuz-2 launch vehicle  phase 1v and a spacecraft in the interests of national security were launched from the launch pad of the site 43 of the Plesetsk launch site.
This is the fourth launch of the Soyuz-2 LV phase 1v under the flight test program. The first launch of the Soyuz-2 LV phase 1v took place on December 28, 2013. In total, within the framework of flight tests, specialists of RKTs Progress need to implement five launching campaigns.
The Soyuz-2 launch vehicle phase 1v is intended for launching spacecraft and launching a payload mass of up to 3 tons to low Earth orbit. This is the first launch vehicle of light class with the use of liquid rocket engines, developed in modern Russia.

Quote
The launch of the Soyuz-2.1v LV
June 24, 2017
June 23, 2017 at 21 hours  04  minutes Moscow time from the launch pad of the site 43 of the Plesetsk cosmodrome the launch of the Soyuz-2.1v rocket with the launching unit Volga and a satellite in the interests of national security was held. The two-phase light vehicle of the Soyuz-2.1v light class was developed and manufactured at the RKTs Progress (Progress, Samara).
This is the third launch of the Soyuz-2.1v launch vehicle under the flight testing program, and the fourth launch of the Volga launch unit. The first launch of the Soyuz-2.1v LV and launching unit Volga took place on December 28, 2013. In total, in the framework of flight tests, the specialists of RKTs Progress need to implement five launching campaigns.
The Soyuz-2.1v launch vehicle is designed to launch spacecraft and launch a payload with a mass of up to 3 tons to a low near-Earth orbit, and with the use of the upper stage Volga, up to 1.4 tons, to solar synchronous orbit. This is the first launch vehicle of light class with the use of liquid rocket engines, developed in modern Russia.

Offline ZachS09

Does this launcher use a newly built engine, or did it use one built back in the 70s?

Currently, the Soyuz-2.1v first stage uses the NK-33 engine, which dates back to the '70s, but it also utilizes the newly-manufactured RD-0110R vernier engine for augmentation and steering.

As for the second stage, its RD-0124 engine has been used in recent years.
« Last Edit: 03/31/2018 01:53 PM by ZachS09 »
"Liftoff of Falcon 9: the world's first reflight of an orbital-class rocket."

Offline B. Hendrickx

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One more subcontractor for EMKA identified : NPP Kvant built the satellite's solar arrays. This is mentioned in the company's annual reports for 2015 (p. 77) and 2016 (p.88). The annual reports can be downloaded here:

https://e-disclosure.azipi.ru/organization/1039348/


Offline owais.usmani

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Does this launcher use a newly built engine, or did it use one built back in the 70s?

Currently, the Soyuz-2.1v first stage uses the NK-33 engine, which dates back to the '70s, but it also utilizes the newly-manufactured RD-0110R vernier engine for augmentation and steering.

As for the second stage, its RD-0124 engine has been used in recent years.

Thanks, so that means they have no plans for production restart of the NK-33?

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Thanks, so that means they have no plans for production restart of the NK-33?

No, they don't.
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Offline ZachS09

I should add on to Nicolas PILLET's response that once the NK-33 inventory is gone, the RD-193 will be the new first stage engine for the Soyuz-2.1v, although I'm not sure if the RD-0110R will remain as the vernier by that time.
"Liftoff of Falcon 9: the world's first reflight of an orbital-class rocket."

Offline russianhalo117

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I should add on to Nicolas PILLET's response that once the NK-33 inventory is gone, the RD-193 will be the new first stage engine for the Soyuz-2.1v, although I'm not sure if the RD-0110R will remain as the vernier by that time.
11D24 engine had been in development for the eventual replacement of RD-0110R when RD-193 replaces NK-33

Offline Phillip Clark

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Can anyone clarify how many trips Cosmos 2525/EMKA made to Plesetsk, please?

Bart Hendrickx noted in reply #30 on this thread that there were contracts to transport the spacecraft to Plesetsk for November 27, 2017 and February 26, 2018.

So, if the satellite went to Plesetsk in October last year and the launch was cancelled (supposedly because of problems with the satellite) then one would expect a transportation contract to return the spaccraft from Plesetsk to Moscow.   On the other hand, perhaps the problems were found before shipment to Plesetsk, in which case the contract for October was not fulfilled, and the only trip to Plesetsk was in February this year.

I would appreciate any corrections of the above or clarifications please.
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Offline B. Hendrickx

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Can anyone clarify how many trips Cosmos 2525/EMKA made to Plesetsk, please?

Bart Hendrickx noted in reply #30 on this thread that there were contracts to transport the spacecraft to Plesetsk for November 27, 2017 and February 26, 2018.

So, if the satellite went to Plesetsk in October last year and the launch was cancelled (supposedly because of problems with the satellite) then one would expect a transportation contract to return the spaccraft from Plesetsk to Moscow.   On the other hand, perhaps the problems were found before shipment to Plesetsk, in which case the contract for October was not fulfilled, and the only trip to Plesetsk was in February this year.

I would appreciate any corrections of the above or clarifications please.

It's not really possible to tell for sure based on the documentation that is available online. According to the documentation published in November ("purchase nr. 31705573827") the satellite was to be transported to the cosmodrome on 26 November. There are updates about this purchase on 4 December and 21 December 2017, which would seem to indicate that the transport hadn't taken place yet. On the other hand, there is a line elsewhere saying "purchase completed". There's no sign of a contract about the return of EMKA from Plesetsk to Moscow, at least not if you perform a search using the words "Plesetsk" or "EMKA". I haven't bothered to look further. Some new documentation appeared a couple of days ago which appears to be related to the return of cargo from Plesetsk to Moscow after the EMKA launch.

 http://zakupki.gov.ru/223/purchase/public/purchase/info/documents.html?regNumber=31806332496


Offline russianhalo117

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Can anyone clarify how many trips Cosmos 2525/EMKA made to Plesetsk, please?

Bart Hendrickx noted in reply #30 on this thread that there were contracts to transport the spacecraft to Plesetsk for November 27, 2017 and February 26, 2018.

So, if the satellite went to Plesetsk in October last year and the launch was cancelled (supposedly because of problems with the satellite) then one would expect a transportation contract to return the spaccraft from Plesetsk to Moscow.   On the other hand, perhaps the problems were found before shipment to Plesetsk, in which case the contract for October was not fulfilled, and the only trip to Plesetsk was in February this year.

I would appreciate any corrections of the above or clarifications please.

It's not really possible to tell for sure based on the documentation that is available online. According to the documentation published in November ("purchase nr. 31705573827") the satellite was to be transported to the cosmodrome on 26 November. There are updates about this purchase on 4 December and 21 December 2017, which would seem to indicate that the transport hadn't taken place yet. On the other hand, there is a line elsewhere saying "purchase completed". There's no sign of a contract about the return of EMKA from Plesetsk to Moscow, at least not if you perform a search using the words "Plesetsk" or "EMKA". I haven't bothered to look further. Some new documentation appeared a couple of days ago which appears to be related to the return of cargo from Plesetsk to Moscow after the EMKA launch.

 http://zakupki.gov.ru/223/purchase/public/purchase/info/documents.html?regNumber=31806332496


GSE return??

Offline Phillip Clark

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I have been watching the orbital data from this launch but to date there have been no orbital manoeuvres.   The satellite had an initial 96.64 deg inclination, 90.860 minutes period, 315-319 km orbit, with the Blok I rocket stage in a 96.65 deg inclination, 90.848 minutes, 315-317 km orbit.   Definitely not Sun-synchronous.
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Offline B. Hendrickx

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There are strong indications that the high-resolution optical system carried by EMKA is similar or identical to one that was supposed to have flown on a remote sensing satellite developed by ISS Reshetnyov in Krasnoyarsk (which has now probably been canceled).  ISS Reshetnyov began working on this satellite in the first half of 2014 and it was called ISS-55 in honor of the company’s 55th anniversary that same year.  It would weigh about 150-200 kg and use a new platform called NT-100-1, described here on the website of the R&P Small Satellites Center, a daughter company of ISS Reshetnyov:

http://npc-mka.ru/en/products/unified-platforms-for-small-class-satellites/154-unified-platform-nt-100-01.html

Plans for the ISS-55 satellite were publicly presented at a remote sensing satellite conference organized by VNIIEM in Moscow in May 2014 :

http://www.vniiem.ru/ru/uploads/files/conferences/140523/sbornik_tezisov.pdf
(see p. 30-32)

Here it was actually named “MiR-2” (MiR standing for “Mikhail Reshetnyov” and “2” referring to the fact that a smaller technology development satellite called MiR (or Yubileinyy-2) had already been launched in 2012).

A detailed description of the satellite was given in early 2015 in the journal “Trudy MAI” published by the Moscow Aviation Institute.

http://trudymai.ru/upload/iblock/06a/06ae1e755acca084d7ae0143563e63c9.pdf

Another detailed description (in English) can be found in a 2015 issue of the “Journal of the Siberian Federal University”.

goo.gl/5ntnXp

The satellite would have two separate optical systems :
- a high-resolution system (Russian acronym OEA) with a resolution of 0.9 m in panchromatic mode
- a medium-resolution multispectral imaging system (MSS) consisting of a Fourier video spectrometer (Russian acronym FVS) (with a resolution of 15m in panchromatic mode and 30m in hyperspectral mode) and an infrared imaging system (Russian acronym IKSS) with a resolution of 28 m. 

Both the high-resolution and medium-resolution optical systems were to be built by OAO Peleng in Minsk (Belarus).

The article in “Trudy MAI” has a drawing of the OEA high-resolution system (see attached image). It looks virtually identical to the camera housing that the SKTB Plastik company is known to have built for EMKA. I discussed this in Reply #34 in this thread, but have again attached the drawing of the EMKA camera housing for comparison.

The dimensions of the OEA assembly for ISS-55 given in the English-language article are “no more than 1490x745x520 mm”. The dimensions for the camera housing of EMKA given on the website of SKTB Plastik are very similar: 1267х405х721 mm. The conclusion is that EMKA is very likely to carry the same high-resolution optical payload intended for ISS-55. Detailed specifications for this system can be found in both the MAI article and the English article.
« Last Edit: 04/08/2018 07:06 PM by eeergo »

Offline B. Hendrickx

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So how did the camera for ISS-55 end up on EMKA?  Actually, it is quite likely that both ISS Reshetnyov and VNIIEM approached OAO Peleng to develop the high-resolution camera as soon as ISS-55 and EMKA were conceived in 2014-2015.  OAO Peleng in Minsk is a long-standing partner of VNIIEM, having developed the optical systems for the Kanopus-V satellites and the identical Belarusian Belka satellite.

In other words, by early 2015 both ISS Reshetnyov and VNIIEM were hoping to build a small remote sensing satellite with an identical optical payload having a maximum resolution of about 0.9 m. There are indications that both companies had been inspired by the launch of the first two SkySat satellites on Russian boosters in November 2013 and July 2014. Owned at the time by SkyBox Imaging (a company later acquired by Google and then sold to PlanetLabs), these were the smallest satellites ever flown capable of capturing imagery at better than 1 meter resolution (0.9 m).

In a blog devoted to SkySat, VNIIEM designer Aleksandr Khromov links ISS-55 directly to SkySat and says his own company was also inspired by the satellite. The second SkySat was launched piggyback with one of VNIIEM’s Meteor weather satellites in July 2014, giving VNIIEM’s engineers a chance to examine the satellite up close.

http://dauria.ru/blog/skysat

One of ISS-55’s designers (A.V. Yakovlev) also referred to SkySat in a posting on the NK forum in May 2014:
http://novosti-kosmonavtiki.ru/forum/forum12/topic14236/

Further evidence for a link between EMKA and SkySat-1 comes in an article on remote sensing satellites published in the VNIIEM journal in 2014. Here EMKA as well as its operational successor MKA-V are compared with SkySat-1. The article also has a drawing of MKA-V and this has the same box-type design as SkySat (as does ISS-55 and presumably EMKA as well).  See the attached images of MKA-V and SkySat for comparison.

http://jurnal.vniiem.ru/text/141/17-22.pdf

By early 2015 EMKA and ISS-55 were no more than internal company proposals with no government funding. Both were openly presented in articles and conference papers and linked only to civilian goals, indicating VNIIEM and ISS Reshetnyov were eyeing Roscosmos as a potential customer. However, Roscosmos was probably perfectly happy with the optical remote sensing satellites it already had or were already under development (Resurs-P(M), Kanopus-V, Obzor-O) and saw no need for yet another system to complement those.  The ISS-55 designer (A. Yakovlev) vented his frustration on the NK forum in early February 2015, saying they were ready to start cutting metal, but that no funding was forthcoming and that apparently Russia was not interested in a small remote sensing satellite with a resolution of less than 1 m.

http://novosti-kosmonavtiki.ru/forum/forum12/topic14236/?PAGEN_1=3

It is presumably around this time that both VNIIEM and ISS Reshetnyov began looking at the Ministry of Defense as a possible customer for their small satellites. ISS Reshetnyov  may have showcased the military potential of ISS-55 when Russian Defense Minister Sergei Shoigu paid a visit to the company in January 2015. Unlike Roscosmos, the Ministry of Defense had reason enough to show interest in these satellites. The available optical reconnaissance satellites built by RKTs Progress were barely enough to satisfy the ministry's needs. By early 2015 the Ministry of Defense had only one more Yantar type film return satellite left in its inventory (launched in June of that year) and the 7-ton Persona digital reconnaissance satellites were not quite living up to expectations. The first one had failed shortly after launch in 2008. The second one, launched in June 2013, reportedly suffered a crippling failure several months into its mission from which it made a miraculous recovery in the summer of 2014. Only one more was left, eventually launched in June 2015. Due to the lack of digital reconnaissance satellites, the Ministry of Defense had to rely on Resurs-P and Kanopus-V to augment the imagery received from Persona. Moreover, there was no guarantee that the two Persona satellites would continue to operate until RKTs Progress’s next-generation Razdan satellites became available around the turn of the decade.

It is against this background that the Ministry of Defense may well have launched a tender in 2015 to develop one or more small reconnaissance satellites to complement Persona and/or to help bridge the gap to Razdan in case the Persona satellites broke down earlier than expected.  If such a tender was indeed held, there probably were two key requirements. One was to build the satellite(s) as quickly and cheaply as possible and the other was to make maximum use of Russian-built electronics because of import restrictions resulting from Western-imposed sanctions. 

The Ministry of Defense may have had more options to choose from than VNIIEM’s EMKA and ISS-Reshetnyov’s ISS-55. RKK Energiya is known to have performed studies of a reconnaissance satellite in 2015. This was supposed to use the same platform as Egyptsat-2 (a Yamal-300 type bus), but with a total mass of 1,350 kg would have needed a heavier Soyuz-2.1a rocket (see attached image).  The plans are briefly outlined in the company’s latest history (covering the period 2011-2015), where it is described as a remote sensing satellite “in the interests of a national customer”, most likely the Ministry of Defense. It was to have a maximum resolution of 0.5 m. RKTs Progress, the country’s leading developer of spy satellites, may have proposed a 500 kg class satellite based on its Aist-2 platform, but there is no evidence to support that idea.

In the end, VNIIEM got the contract in November 2015. If RKK Energiya’s proposal was indeed considered, it was probably rejected because of its higher price and the fact that Egyptsat-2 had been lost in April 2015 (just half a year after launch).   ISS-55 probably stood little chance because ISS Reshetnyov was a virtual newcomer to the remote sensing satellite business.  The first ISS Reshetnyov satellite  to carry a remote sensing camera was the MiR/Yubileinyy-2 microsat launched in July 2012.  Another remote sensing payload was to have flown on another Yubileinyy class satellite (called DOSAAF-85), which was scheduled to ride into orbit with three Gonets-M satellites in 2014-2015. However, this passed into oblivion along with ISS-55 in the course of 2015.

ISS-55 is still mentioned on the “Programs and Projects” page of ISS Reshetnyov’s website, but this clearly hasn’t been updated for a while. It still says the launch of ISS-55 is “due in late 2015”.

http://www.iss-reshetnev.com/projects

A news release by the R&P Small Satellites Center in November 2016 linked ISS-55 to the heavier NT-500 platform.

http://npc-mka.ru/ru/проекты/8-новости/253-система-коррекции.html

I have not seen any more recent references to the satellite.

Offline B. Hendrickx

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In Reply 113  I mentioned an English-language article on the ISS-55 satellite (published in the Journal of the Siberian Federal University), but something went wrong with the link. Here's another try:

https://www.researchgate.net/profile/Anatoly_Shevyrnogov/publication/
281700651_Satellite_Monitoring_System_for_the_Krasnoyarsk_Territory_
Area_Based_on_Small_Satellites_Use/links/575aed0508ae414b8e467370/
Satellite-Monitoring-System-for-the-Krasnoyarsk-Territory-Area-Based-on-
Small-Satellites-Use.pdf


If it doesn't work, a Google search with the words "ISS-55" and "Krasnoyarsk" will get you there. The title of the article is  "Satellite Monitoring System for the Krasnoyarsk Territory Area Based on Small Satellite Use".

As I explained in that post, the high-resolution optical payload described here (pp. 339-340) and referred to as "Optical-to-Electrical Equipment" (OEE) is very likely the same payload carried by Kosmos-2525/EMKA.

And one correction to my subsequent post : the contract for the development of EMKA was signed not in November 2015, but in October 2015. 

Meanwhile, a poster on the NK forum (who I think is an ISS Reshetnyov insider) has pointed out that ISS-55 never reached the so-called "draft design" ("eskiznyy proyekt") phase, meaning that it is unlikely to have been considered as part of a tender organized by the Ministry of Defense (assuming that such a tender was organized. VNIIEM may have received the contract for EMKA without competition). 


Mod Edit: The link is too long and breaks the page formatting, so I shortened it with Google (shown in the above post). Here I have divided it in several parts. Please do take care of checking how your post looks like after posting.
« Last Edit: 04/10/2018 08:23 AM by eeergo »

Offline Steven Pietrobon

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Here's a shortened link to the pdf. Copy and paste the link to your browser to directly download the pdf. If you just click on the link, that will take you the website, where you have to navigate to find the download link.

https://bit.ly/2qlJtul
« Last Edit: 04/11/2018 04:08 AM by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Nicolas PILLET

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I have confirmation that this launch did not use Volga upper stage.
Nicolas PILLET
Kosmonavtika : The French site on Russian Space

Offline Nicolas PILLET

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And now, the serial number : https://www.kosmonavtika.com/lancements/2018/29032018/29032018.html

Novosti Kosmonavtiki was right : the fourth flight was with the fifth launcher.
Nicolas PILLET
Kosmonavtika : The French site on Russian Space

Offline Phillip Clark

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Strange.   We have had no TLEs for the Cosmos 2525 Blok I since April 24.66.   We have been getting at least two per day until that time.

Just checked and the rocket stage is still showing as being in orbit, but that could mean it has been de-orbited and no-one has picked up on it yet.   The last orbit was 309-314 km so it can't have decayed naturally.

Or maybe the trackers have "lost" it?

There is a message on Space-Track about erroneous TLEs being deleted today, so maybe that has something to do with it.

Curious.
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Offline Phillip Clark

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Following on from my message yesterday, still no new TLEs for the Blok I from the Cosmos 2525 launch, although the Satellite Situation Report continues to show it as being in orbit.
I've always been crazy but it's kept me from going insane - WJ.

Offline Phillip Clark

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The Block I has had two new element sets issued for April 28, so it is still chugging around up there.   I wonder why there was the four days gap in the data.
I've always been crazy but it's kept me from going insane - WJ.

Offline Phillip Clark

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I admit that this mission has been a bit of a disappointment, since there have been no manoeuvres of Cosmos 2525 to date.

The most recent orbital data for the mission are:

Cosmos 2525
May 17.714    96.632 deg      90.700 min     307-311 km

Blok I
May 17.605    96.636 deg      90.648 min     304-309 km
I've always been crazy but it's kept me from going insane - WJ.

Offline Phillip Clark

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Very small, but it looks as if there was a tweak to the Cosmos 2525 orbit yesterday.

May 23.241    incl - 96.633 deg      period - 90.682 min     altitude - 306-310 km    AoP - 126 deg
May 23.306            96.631                         90.695                          307-310                     88
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Offline Alter Sachse

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No manoeuvres of Cosmos 2525
March 29  96.64 deg 90.87 min 316 319 km
July    09  96.63       90.53        299 302

Offline Phillip Clark

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No manoeuvres of Cosmos 2525
March 29  96.64 deg 90.87 min 316 319 km
July    09  96.63       90.53        299 302

Just the very small manoeuvre which I reported on May 24.
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Offline Alter Sachse

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No manoeuvres of Cosmos 2525
March 29  96.64 deg 90.87 min 316 319 km
July    09  96.63       90.53        299 302

Just the very small manoeuvre which I reported on May 24.
Or it was inaccurate data ?

Offline Phillip Clark

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No manoeuvres of Cosmos 2525
March 29  96.64 deg 90.87 min 316 319 km
July    09  96.63       90.53        299 302
Just the very small manoeuvre which I reported on May 24.
Or it was inaccurate data ?

I don't believe so.   If you follow the argument of perigee - for example - before and after it is consistent with a tiny orbital change.   Also an error in the mean motion to give the orbital period would not result in the change in orbital eccentricity.

However, this manoeuvre is close to what I consider to be the limits of the TLE data.
I've always been crazy but it's kept me from going insane - WJ.

Offline Alter Sachse

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I thought he would raise his orbit or holding a certain level (to do his job).
But he falls and falls.

Offline Phillip Clark

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I thought he would raise his orbit or holding a certain level (to do his job).
But he falls and falls.

Agreed.   I had hoped for more.   I am assuming that there hasn't been a malfunction.
I've always been crazy but it's kept me from going insane - WJ.

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