Success May 23, 2025 • 4:36 AM UTC

Soyuz 2.1b/Fregat-M | Kosmos 2588

Soyuz 2.1b/Fregat-M • Soyuz

Launch ID
b8eec19b-3974-4468-a15a-180e5af5071a
Rocket
Soyuz 2.1b/Fregat-M
Type
Soyuz
Coordinates
62.929°, 40.457°
Open in Google Maps 🗺️

📝 Mission Description

Soyuz 2.1b/Fregat-M Launch: Unveiling Kosmos 2588

On May 23, 2025, a Soyuz 2.1b rocket equipped with a Fregat-M upper stage lifted off from a Russian launch site, carrying the classified payload designated Kosmos 2588. This mission, shrouded in secrecy, underscores Russia's ongoing commitment to military space operations amid evolving geopolitical dynamics. While official details remain sparse, the launch aligns with a pattern of deployments aimed at enhancing national security through orbital assets.

The mission's objectives center on deploying a satellite for the Russian military, likely focused on intelligence, surveillance, or reconnaissance (ISR) capabilities. Kosmos-series payloads have historically included optical imaging satellites, electronic intelligence gatherers, and early-warning systems. Given the classified nature, Kosmos 2588 could possess advanced features such as high-resolution electro-optical sensors for real-time battlefield monitoring or signals intelligence (SIGINT) modules to intercept communications. Payload capabilities might extend to anti-jamming technologies and maneuverability in orbit, allowing it to evade threats or reposition for optimal coverage. Analysts speculate this could bolster Russia's space-based defense infrastructure, potentially integrating with systems like the GLONASS navigation network or the Unified Space Detection System for missile warnings. Such assets are crucial for maintaining situational awareness in contested regions, reflecting a strategic pivot toward hybrid warfare that incorporates space domains.

At the heart of the mission is the Soyuz 2.1b/Fregat-M launch vehicle, a reliable workhorse of Russia's space program. The Soyuz 2.1b is a three-stage rocket standing approximately 46 meters tall with a diameter of 2.95 meters at its base. It features RD-107A and RD-108A engines in the first and second stages, respectively, fueled by liquid oxygen and kerosene, delivering a thrust of about 839 kN at liftoff. The third stage employs an RD-0124 engine, enhancing payload capacity to low Earth orbit (LEO) up to 8,200 kg. Paired with the Fregat-M upper stage, which uses storable hypergolic propellants and provides multiple restarts for precise orbital insertion, the system excels in deploying satellites to geostationary transfer orbits (GTO) or sun-synchronous orbits (SSO). Technical specifications highlight its modular design, incorporating digital flight controls for improved accuracy over earlier Soyuz variants. This configuration has proven versatile, supporting both military and civilian missions,

ℹ️ Official Details

Unknown classified payload for the Russian military.

🎯 Post-Launch Analysis

The Soyuz 2.1b/Fregat-M launch of Kosmos 2588 on May 23, 2025, achieved a successful orbital insertion and payload deployment, marking another reliable performance for this proven rocket system. Technical execution was seamless, with the Soyuz 2.1b providing robust ascent and the Fregat-M upper stage ensuring precise orbital placement, though specific mission parameters remain classified due to the military nature of the payload. The successful deployment underscores the system’s precision in handling sensitive, undisclosed hardware for Russian military operations. Key engineering outcomes highlight the continued reliability of the Soyuz family, reinforcing confidence in its design for both government and potential commercial applications. This mission’s success paves the way for future launches, demonstrating the platform’s adaptability to classified requirements and its critical role in sustaining Russia’s orbital capabilities, while leaving room for speculation on the payload’s strategic purpose.