this post was submitted on 25 Jul 2025
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Soyuz 2.1b Ionosfera-M n°3, 4 launch bulletin (sh.itjust.works)
submitted 2 weeks ago by threelonmusketeers@sh.itjust.works to c/spaceflight@sh.itjust.works
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The Ionosfera-M n°3, 4 launch of a Soyuz 2.1b out of Site 1S, Vostochny Cosmodrome, Russia, is currently scheduled for 2025-07-25 05:54 UTC.

NextSpaceflight page

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

Webcasts:

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[–] threelonmusketeers@sh.itjust.works 1 points 2 weeks ago

https://bsky.app/profile/planet4589.bsky.social/post/3lus4io43i22f

LAUNCH at 0554 UTC Jul 25 of a Soyuz-2-1b/Fregat from Vostochniy with the Ionosfera-M 3 and 4 science sats and a cluster of small Russian satellites, as well as Iran's Nahid-2.