# Kosmos 2475

> Russian GLONASS navigation satellite

**Wikidata**: [Q6433286](https://www.wikidata.org/wiki/Q6433286)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Kosmos_2475)  
**Source**: https://4ort.xyz/entity/kosmos-2475

## Summary
Kosmos 2475 is a Russian GLONASS-M navigation satellite launched to bolster the GLONASS global positioning system. It was deployed in 2011 aboard a Proton-M rocket from Baikonur Cosmodrome, serving both military and civilian navigation needs. The satellite is part of the GLONASS-M series, designed to enhance signal accuracy and reliability.

## Key Facts
- **Launch Date**: November 4, 2011, at 12:51:41 UTC.
- **Launch Vehicle**: Proton-M rocket with a Briz-M upper stage.
- **Launch Site**: Baikonur Cosmodrome Site 81/24.
- **Operator**: Russian Space Forces.
- **Manufacturer**: JSC Information Satellite Systems Reshetnev.
- **COSPAR ID**: 2011-064C.
- **Satellite Catalog Number (SCN)**: 37869.
- **Aliases**: Cosmos 2475, GC 743.
- **Mission**: Provides navigation signals as part of the GLONASS constellation.

## FAQs
### Q: What is the purpose of Kosmos 2475?
A: Kosmos 2475 is a navigation satellite designed to transmit radio signals for positioning, navigation, and timing as part of Russia’s GLONASS system, supporting both military and civilian users.

### Q: When and how was Kosmos 2475 launched?
A: The satellite was launched on November 4, 2011, at 12:51:41 UTC, using a Proton-M rocket with a Briz-M upper stage from Baikonur Cosmodrome Site 81/24.

### Q: What distinguishes GLONASS-M satellites like Kosmos 2475?
A: GLONASS-M satellites, including Kosmos 2475, feature improved signal accuracy and longer operational lifespans compared to earlier GLONASS models, enhancing the overall performance of the navigation network.

## Why It Matters
Kosmos 2475 plays a critical role in maintaining Russia’s independent global navigation system, GLONASS, which rivals the U.S.-led GPS. As part of the GLONASS-M series, it contributes to the system’s ability to provide 24/7 positioning data across Russia and globally. The satellite’s deployment reflects Russia’s strategic investment in space-based infrastructure to ensure autonomy in navigation services, vital for military operations, aviation, maritime transport, and civilian applications. By expanding and modernizing the GLONASS constellation, Kosmos 2475 helps improve the precision and reliability of location services, reducing dependence on foreign systems and reinforcing national security and economic interests.

## Notable For
- **GLONASS-M Series Membership**: Part of the second-generation GLONASS satellites, offering enhanced signal capabilities.
- **Proton-M Launch**: Utilized Russia’s flagship heavy-lift rocket, demonstrating domestic launch capabilities.
- **Baikonur Cosmodrome Launch Site**: Highlighted international space cooperation, as the site is leased by Russia in Kazakhstan.
- **Dual Military-Civilian Role**: Supports both strategic defense operations and everyday civilian navigation needs.

## Body
### Launch Details
- **Date/Time**: November 4, 2011, at 12:51:41 UTC.
- **Rocket**: Proton-M (launch vehicle) with Briz-M (space tug).
- **Site**: Baikonur Cosmodrome Site 81/24, a facility leased by Russia in Kazakhstan.

### Satellite Specifications
- **Class**: GLONASS-M, a second-generation navigation satellite.
- **Manufacturer**: JSC Information Satellite Systems Reshetnev, a leading Russian spacecraft developer.
- **Operator**: Russian Space Forces, overseeing military space assets.

### Mission and Operations
- **Function**: Provides L1 and L2 band navigation signals for positioning, timing, and velocity data.
- **Constellation Role**: Part of the 24-satellite GLONASS network, ensuring global coverage.
- **Design Life**: Typical GLONASS-M satellites operate for 7–10 years, though specific lifespan for Kosmos 2475 is not detailed in sources.

### Legacy
- **System Contribution**: Helps maintain GLONASS as a viable alternative to GPS, supporting Russian strategic autonomy.
- **Technical Continuity**: Represents incremental advancements in Russian satellite navigation technology, building on earlier GLONASS designs.

## References

1. Jonathan's Space Report