Final two satellites for the constellation of the Russian space weather monitoring system called "Ionozond". The constellation consists of four spacecraft; the first two were launched in November 2024 from Vostochny Cosmodrome. Additional payload will include: 239Alferov (239Alferov, 239PTS, FTS-239), MIET-SatLAB, RUVDSSat1, Geoskan-1, Geoskan-2, Geoskan-3, Geoskan-4, Geoskan-5, Geoskan-6, INNOSAT3, INNOSAT16, KAI-2, nanosatellites.

The launch date is currently targeted for Friday, July 25, 2025 at 5:54 AM (UTC).

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Provider	Roscosmos
Vehicle	Soyuz-2
Location	Site 1S Vostochny Cosmodrome Russia
All dates and times should be submitted in UTC timezone. Use Estimated Date if you don't know the official launch date and time; otherwise, use Window Opens/Closes and/or Planned T-0, which will override the Estimated Date.
— Estimated Date —
Date
— Window Opens —
Date
Time
Launch Date	Friday, July 25, 2025
Launch Time	5:54 AM (UTC)
Launch Time (Pad)
— Planned T-0 —
Date	Friday, July 25, 2025
Time	5:54 AM (UTC)
— Window Closes —
Date	Friday, July 25, 2025
Time	5:54 AM (UTC)

Earth Observation Satellite

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North(1.7K) 💎

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Ionosfera-M n° 3 & 4

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