Credit: Roscosmos
Soyuz 2.1b/Fregat-M | Ionosfera-M 3 & 4
Launch Successful
Launch Information
Launch Provider:
Russian Federal Space Agency (ROSCOSMOS)
Launch Date:
July 25, 2025 05:54 UTC
Window Start:
2025-07-25T05:54:04Z
Window End:
2025-07-25T05:54:04Z
Rocket Details
Rocket:
Soyuz 2.1b Fregat-M
Configuration:
Fregat-M
Launch Location
Launch Pad:
Cosmodrome Site 1S
Location:
Vostochny Cosmodrome, Siberia, Russian Federation, Russia
Mission Details
Mission Name:
Ionosfera-M 3 & 4
Type:
Earth Science
Orbit:
Sun-Synchronous Orbit
Mission Description:
Ionosfera is a constellation of four ionospheric and magnetospheric research satellites developed by for Roscosmos for the project Ionozond. The satellites will operate on circular sun-synchronous orbits (SSO), at altitude of about 800 km and located in two orbital planes of two satellites each. The following science instruments are carried on the satellites: * SPER/1 Plasma and energy radiation spectrometer * SG/1 Gamma-ray spectrometer * GALS/1 Galactic cosmic ray spectrometer / 1 * LAERTES On-board Ionosonde * NBK/2 Low-frequency wave complex * ESEP Ionospheric plasma energy spectrometer * Ozonometer-TM Ozonometer * MayaK On-board radio transmitters * PES GPS-GLONASS device