| Scheduled for (UTC) | 2024-11-04 23:18 | |

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| | Scheduled for (local) | 2024-11-05 08:18 (YAKT) | | Launch site | Site 1S, Vostochny Cosmodrome, Russia | | Launch vehicle | Soyuz 2.1b / Fregat-M | | Launch provider | Roscosmos | | Payload | Ionosfera-M n°1 & 2 | | Mission success criteria | Successful launch and deployment of Ionosphera satelites into Sun-Synchronous Orbit |

Livestreams

| Stream | Link | |

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| | Roscosmos | https://www.youtube.com/watch?v=pmYGk_MV2-8 |

Stats

☑️ 4th Soyuz 2.1b launch this year, 91st overall

Payload info (NextSpaceflight)

Ionosfera-M n°1 & 2

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