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Russian Federal Space Agency (ROSCOSMOS)Launch SuccessfulEarth ScienceSoyuz 2.1b/Fregat-M
Launched 2025-07-25 05:54:04 UTCCosmodrome Site 1S, Vostochny Cosmodrome, Siberia, Russian Federation
Success
Reached Sun-Synchronous Orbit
Worldwide
159th
orbital launch attempt in 2025
Russian Federal Space Agency (ROSCOSMOS)
4th
launch this year
Cosmodrome Site 1S
1st
launch from this pad this year
Pad turnaround
237 d 8 h
since the pad's previous launch
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 Provider
Government · Russia · Founded 1992 · Administrator Yuri Borisov
The Roscosmos State Corporation for Space Activities, commonly known as Roscosmos, is the governmental body responsible for the space science program of the Russian Federation and general aerospace research. Soyuz has many launch locations the Russian sites are Baikonur, Plesetsk and Vostochny however Ariane also purchases the vehicle and launches it from French Guiana.
Launches
344
Successful
333
97%
Upcoming
4
scheduled
·
Launch success.
Cosmic_Penguin
·
Liftoff.
Cosmic_Penguin
·
Tweaked T-0.
Cosmic_Penguin
·
Added launch time.
Cosmic_Penguin
·
NET July 25.
Cosmic_Penguin
·
NET July 24.
Cosmic_Penguin
·
Added launch.
Cosmic_Penguin
Height
46.3m
Diameter
10.3m
To low Earth orbit
8,200kg
Liftoff thrust
4,150kN
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Luna 26RFSA · Soyuz 2.1b Fregat-M · Cosmodrome Site 1S, Vostochny Cosmodrome, Siberia, Russian FederationLunar OrbitTo be determinedNET 2027NET
MKA Kinosputnik, KOEN and othersRFSA · Soyuz 2.1a Fregat-M · Cosmodrome Site 1S, Vostochny Cosmodrome, Siberia, Russian FederationSun-Synchronous OrbitTo be determinedNET 2027