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Russian Federal Space Agency (ROSCOSMOS) · Soyuz 2.1b/Fregat-M

Ionosfera-M 3 & 4

SUCCESSEarth ScienceSSO
Friday, July 25, 2025 at 05:54 AM UTC
Vostochny Cosmodrome, Siberia, Russian Federation
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Mission Overview

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

Payloads
1
Type
Earth Science
Vehicle
Soyuz 2.1b/Fregat-M
Window
05:54 AM UTC – 05:54 AM UTC

Rocket

RU
Soyuz 2.1b/Fregat-M
Russian Federal Space Agency (ROSCOSMOS)

Launch Site

Vostochny Cosmodrome, Siberia, Russian Federation

Orbit

SSO·Sun-Synchronous

Launch Window

Opens05:54 AM UTC
Closes05:54 AM UTC

Launch Site Weather

-17°CFreezing fog
Wind5 km/h ENE
Humidity97%
Visibility0 km

Track

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