Soyuz 2.1b/Fregat-M | Ionosfera-M 3 & 4
Credit: Roscosmos

Soyuz 2.1b/Fregat-M | Ionosfera-M 3 & 4

To Be Confirmed

Launch Information

Launch Provider: Russian Federal Space Agency (ROSCOSMOS)
Launch Date: July 25, 2025 05:54 UTC
Window Start: 2025-07-25T05:54:00Z
Window End: 2025-07-25T05:54:00Z

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
Launch pad location

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