Author Topic: Soyuz-2.1v/Volga - Kosmos 2558 - Plesetsk 43/4 - 1 August 2022 (20:25 UTC)  (Read 12738 times)

Offline Rondaz

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Interesting happenings in orbit: after a new object was cataloged separating from an American spy satellite last week, the Russian military appears to have launched its own satellite into the same orbital plane.

https://twitter.com/TGMetsFan98/status/1554272543770542082




Offline Rondaz

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Kosmos-2558 tracked by US Space Force @18thSDS in a 435 x 452 km x 97.3 deg sun-sync orbit in the 12:06 local time plane; the object in the 284 x 429 km orbit is probably the Soyuz-2-1v second stage,  with the Volga stage deorbited over the Pacific..

https://twitter.com/planet4589/status/1554314241909428225

Offline Alter Sachse

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« Last Edit: 08/02/2022 12:13 pm by Alter Sachse »
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Offline Rondaz

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Orbital Launch no.92 of 2022

Kosmos 2558 | RSF | August 01 | 1630 ET

Russian space forces (VKS) launched the speculated surveillance🛰️ "14F150" Nivelir on top of it's medium-class launcher #Soyuz 2.1v from the #Plesetsk cosmodrome.

https://twitter.com/SpaceIntellige3/status/1554498849976324097

Offline lea.bernier

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How did you know the Soyuz 2.1v had a Volga upper stage ? Can we see it on pictures ?

Offline Alter Sachse

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How did you know the Soyuz 2.1v had a Volga upper stage ? Can we see it on pictures ?
Reply #16
One day you're a hero  next day you're a clown  there's nothing that is in between
        Jeff Lynne - "21century man"


Offline B. Hendrickx

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Kosmos-2558 appears to be closing in on USA 326.

http://www.satobs.org/seesat/Aug-2022/0027.html

Quote
The chased and its chaser...

Footage from this evening (2 August, 22:26 and 22:56 UTC), showing USA 326 and
Kosmos 2558 passing through the Leiden sky about 30 minutes after each other:



Offline zubenelgenubi

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Belated post re: Volga upper stage disposal NOTMAR:
http://www.satobs.org/seesat/Aug-2022/0008.html
Quote
281708Z JUL 22
HYDROPAC 2063/22(GEN).
SOUTH PACIFIC.
DNC 06, DNC 07, DNC 29.
1. HAZARDOUS OPERATIONS, SPACE DEBRIS FROM
    020800Z TO 060930Z AUG IN AREA BOUNDED BY:
    30-00S 175-00W, 30-00S 090-00W,
    60-00S 090-00W, 60-00S 175-00W.
2. CANCEL THIS MESSAGE 061030Z AUG 22.
CANCEL THIS MSG 061030Z AUG 22.
Support your local planetarium! (COVID-panic and forward: Now more than ever.)
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Offline owais.usmani

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Offline B. Hendrickx

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Kosmos-2558 had a relatively close encounter with USA 326 on August 4. This happened at 14.16 UTC in daylight on a southbound trajectory over the mid-Atlantic near 42.3 N, 25.9 W. The closest distance was about 67 km (most of it, about 64 km, in altitude). Most likely, Kosmos-2558 used the opportunity to take pictures of the US satellite. Here is an analysis of the flyby by Marco Langbroek:
https://sattrackcam.blogspot.com/2022/08/the-flyby-of-usa-326-by-kosmos-2558-on.html


Offline B. Hendrickx

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NBC news report on the close approach of Kosmos 2558 to USA 326. James Dickinson, the Commander of US Space Command, calls it "irresponsible behavior".

https://www.nbcnews.com/nightly-news/video/top-u-s-generals-take-issue-with-russian-satellite-near-u-s-orbit-145831493597

Offline owais.usmani

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Offline Rondaz

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Kosmos 2558, the Russian satellite stalking USA 326, appears to have done a small perigee-raising manoeuver on 10 August during the ascending node passage at ~8:23:20 UTC

https://twitter.com/Marco_Langbroek/status/1558056941854904320

Offline Rondaz

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Update on Kosmos-2558: as several people have pointed out there was a small orbit change on Aug 10 to counteract decay..

The satellite remains in an orbit which makes moderately close (~60 km) passes to the NRO satellite USA 326 every 5 days..

https://twitter.com/planet4589/status/1558331199378145280
« Last Edit: 08/13/2022 10:16 am by Rondaz »

Offline B. Hendrickx

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Kosmos-2558 continues to make flybys of USA 326 at distances of 60 to 80 km every five days. Over the past week it has been making small changes to its orbital inclination to make sure that its orbital plane doesn't drift too far away from that of USA 326. See the latest update from Marco Langbroek:
https://sattrackcam.blogspot.com/2022/09/kosmos-2558-keeping-its-orbit-close-to.html

If Kosmos-2558 sticks to the same mission profile as its predecessors Kosmos-2519 and 2542, it should release a small subsatellite in the not too distant future. This could potentially make even closer passes to USA 326. And if the subsatellite repeats the mission of its predecessors Kosmos-2521 and 2543, it should in turn fire what the Pentagon has described as a "high-speed projectile" and interprets as an ASAT weapon. No doubt the Pentagon is watching this mission with more than casual interest...

Offline Rondaz

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#Kosmos2558, shadowing #USA326, made a small orbit raising manoeuvre on 29 Sept near 12:00 UT and further fine-tuned its RAAN precession to match that of USA 326:

https://twitter.com/Marco_Langbroek/status/1576984503725092864

Offline Rondaz

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Obj. 53324 KOSMOS 2558 SL-4 R/B decay prediction: November 18, 2022 UTC 10h06mn 24h

https://twitter.com/jremis/status/1592269324571783168

Offline Rondaz

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Update: obj. 53324 COSMOS 2558 SL-4 R/B decay prediction: November 19, 2022 UTC 11h04mn 19h

https://twitter.com/jremis/status/1592848548927664128

Offline Rondaz

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Update: obj. 53324 COSMOS 2558 SL-4 R/B decay prediction: November 19, 2022 UTC 06h26mn 5h

https://twitter.com/jremis/status/1593608671241670656

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