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

Launch information

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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

Launch status

Launch status information for space mission ‘Soyuz 2.1b/Fregat-M | Ionosfera-M 3 & 4’.

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

TBC

Status: To Be Confirmed

Class: normal

Launch T0: July 25, 2025, 5:54 a.m.

Timezone: Asia/Yakutsk

Launch authority

Details about the the rocket, its target orbit and the launch pad location.

Mission

Ionosfera-M 3 & 4 (SSO)

Launcher

Russian Federal Space Agency (ROSCOSMOS)

Rocket

Soyuz 2.1b/Fregat-M

Location

Vostochny Cosmodrome, Siberia, Russian Federation

Pad

Cosmodrome Site 1S

Type

Earth Science

Orbit

Sun-Synchronous Orbit (SSO)

Satellites on-board

Tracking of on-board satellites will be available after the rocket launch date (July 25, 2025).

Launch statistics

Launch statistics will be available after the rocket launch date (July 25, 2025).

Latest news about the launch

No news available for this launch yet. Check back soon, we post updates daily.


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