PAD90/20
SITEBaikonur Cosmodrome, Republic of Kazakhstan →ORBITLow Earth Orbit
TYPEGovernment/Top Secret
MISSION OVERVIEW
US-PM (Upravlenniye Sputnik Passivny Modifikirovanny) (also reported as US-PU) was a solar powered improved EORSAT (Electronic Ocean Reconnaissance Satellite). It used an passive ELINT devices to track naval vessels from space by registering their electronic emmissions.
LAUNCH DETAILS
VEHICLE
Tsiklon-2MISSION
US-PM 4
MISSION TYPE
Government/Top Secret
TARGET ORBIT
Low Earth Orbit
LAUNCH PAD
90/20LAUNCH SITE
Baikonur Cosmodrome, Republic of KazakhstanCOUNTRY
RUS
LAUNCH TIME VERIFICATION
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: 3c7228a6-0fd7-45eb-8050-f669f02dd81a
Reported date: Sep 17, 1993 at 00:43 UTC
Last synced: 12 hours ago
This launch date and time are confirmed by the launch provider. Countdown is active.
LAUNCH MAP
PAD WEATHER
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VEHICLE — Tsiklon-2 →
MANUFACTURER
Yuzhnoye Design Bureau
VARIANT
2
FLIGHTS
105
SUCCESSES
103
SUCCESS RATE
98.1%
The Tsyklon-2 (cyclone-2), also known as Tsiklon-2 and Tsyklon-M, GRAU index 11K69, was a Ukrainian, previously Soviet orbital carrier rocket used from the 1960s to the late 2000s.
FREQUENTLY ASKED QUESTIONS
When is the Tsiklon-2 | US-PM 4 launch?
The Tsiklon-2 | US-PM 4 is scheduled for Friday, September 17, 1993 at 12:43 AM UTC. This is the NET (No Earlier Than) time and may be subject to change. Current status: SUCCESS.
What rocket is being used for US-PM 4?
The Tsiklon-2 | US-PM 4 mission uses the Tsiklon-2 rocket, manufactured by Yuzhnoye Design Bureau. The Tsiklon-2 has flown 105 times with a 98.1% success rate.
Where is the Tsiklon-2 | US-PM 4 launching from?
The launch takes place from 90/20 at Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit is US-PM 4 going to?
The US-PM 4 mission is targeting Low Earth Orbit.
Who is launching US-PM 4?
The Tsiklon-2 | US-PM 4 is operated by Russian Federal Space Agency (ROSCOSMOS).
Can I watch the Tsiklon-2 | US-PM 4 launch live?
Yes. Visit the launch detail page on Space Launch Live for embedded YouTube webcasts, replay videos, and links to live coverage from SpaceX, NASA, NASASpaceflight, and other channels.
LAUNCH TIMELINE
Mar 29, 2026 03:06 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 29, 2026 03:06 UTC
Launch date set: Sep 17, 1993 at 00:43 UTC
NET (No Earlier Than) confirmed by Russian Federal Space Agency (ROSCOSMOS)
Mar 29, 2026 03:06 UTC
Launch completed successfully
Updated via Launch Library 2
LIVE DATA SOURCES
Last data sync: 12 hours ago
●Launch Library 212 hours ago
Launch ID: 3c7228a6-0fd7-45eb-8050-f669f02dd81a
●Open-Meteo Weather12 hours ago
Pad weather at 46.08, 62.93
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