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

Mission Details
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
Launch Service Provider
Russian Federal Space Agency (ROSCOSMOS) (RFSA)
Rocket Information
- Configuration: Soyuz 2.1b/Fregat-M
- Manufacturer: Progress Rocket Space Center
- Payload Capacity to LEO: 8200 kg
- Height: 46.3 meters
- Diameter: 10.3 meters
Launch Pad
Vostochny Cosmodrome, Siberia, Russian Federation Cosmodrome Site 1S
Updates
Wed, 14 May 2025 17:04:00 GMT
Added launch time.
by Cosmic_Penguin
Sat, 03 May 2025 19:16:00 GMT
NET July 25.
by Cosmic_Penguin
Wed, 02 Apr 2025 13:55:00 GMT
NET July 24.
by Cosmic_Penguin
Mon, 03 Feb 2025 18:36:00 GMT
Added launch.
by Cosmic_Penguin