Soyuz 2.1b — mission imagery
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Success

Pion-NKS No. 1 (Kosmos 2550)

Soyuz 2.1bRussian Space Forces43/4 (43R)
Friday, June 25, 2021 · 07:50 PM UTCAdd to Calendar

This mission is complete.

Vehicle

Soyuz 2.1b

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Soyuz-2 is the 21st-century version of the Russian Soyuz rocket. In its basic form, it is a three-stage carrier rocket for placing payloads into low Earth orbit. The 2.1b version adds...

Height46.3 m
LEO Payload8,200 kg
Launches157
Successes148

Provider

Russian Space Forces

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RUS • Founded 1992

The Russian Space Forces are a branch of the Russian Aerospace Forces, that provides aerospace warning, air sovereignty, and protection for Russia. Having been reestablished following August 1, 2015 merger betw...

Mission Brief

The Russian Pion-NKS (14F139) satellites are the naval component of the next generation ELINT satellite system Liana. As a replacement for both the passive ELINT US-PM and the active radar US-A, they carry both ELINT sensors as well as an active radar.

PayloadPion-NKS No. 1 (Kosmos 2550)
OrbitLow Earth Orbit
CustomerRussian Space Forces
Stages3
Pad43/4 (43R), Plesetsk Cosmodrome, Russian Federation

Mission Timeline

14 / 14100%

Ground vector

Launch site

Site locked

43/4 (43R)

Plesetsk Cosmodrome, Russian Federation

Global range
SITE LOCK
Latitude
62.929°N
Longitude
40.457°E

Range Weather

Launch commit criteria

Clear
Watch
TrackingNo active constraints
Weather Rules

Tracking no weather issues at this time.

Primary concern
No weather issues
Rule count
0
Temperature
Not reported
Surface wind
Not reported
Window

07:00 PM UTC - 09:00 PM UTC

Schedule History

No delays or schedule changes recorded.