# Kosmos 2547

> Russian GLONASS navigation satellite

**Wikidata**: [Q110630864](https://www.wikidata.org/wiki/Q110630864)  
**Source**: https://4ort.xyz/entity/kosmos-2547

## Summary  
Kosmos 2547 is a Russian GLONASS navigation satellite launched in 2020 as part of the GLONASS-K series. It operates in medium Earth orbit to provide global positioning and timing services for Russia's satellite navigation system. The satellite was built by JSC Information Satellite Systems Reshetnev and launched aboard a Soyuz-2.1b rocket.

## Key Facts  
- **Launch Date:** October 25, 2020, at 19:08 UTC from Plesetsk Cosmodrome Site 43/4.  
- **COSPAR ID:** 2020-075A.  
- **Satellite Model:** GLONASS-K (Uragan-K #3), part of the GLONASS-K series.  
- **Mass:** 962 kilograms.  
- **Operator:** Russian Space Forces.  
- **Launch Vehicle:** Soyuz-2.1b with Fregat upper stage (serial number G15000-031).  
- **Orbit:** Medium Earth orbit (MEO).  
- **Manufacturer:** JSC Information Satellite Systems Reshetnev.  
- **Spacecraft Bus:** Ekspress-1000K.  
- **Preceded by:** Kosmos 2501, succeeded by Kosmos 2557.  

## FAQs  
### Q: What is the purpose of Kosmos 2547?  
A: Kosmos 2547 is a navigation satellite designed to support Russia's GLONASS system, providing global positioning and timing services similar to GPS.  

### Q: Who built Kosmos 2547?  
A: It was manufactured by JSC Information Satellite Systems Reshetnev, a leading Russian satellite developer.  

### Q: How was Kosmos 2547 launched?  
A: It was launched aboard a Soyuz-2.1b rocket with a Fregat upper stage from Plesetsk Cosmodrome.  

## Why It Matters  
Kosmos 2547 is a critical component of Russia's GLONASS satellite navigation system, which competes with GPS, Galileo, and BeiDou. GLONASS provides essential positioning, navigation, and timing services for military, civilian, and commercial applications. The GLONASS-K series, including Kosmos 2547, represents an upgrade over earlier models with improved accuracy, longer lifespans, and enhanced signals. Its launch ensures Russia maintains an independent global navigation capability, reducing reliance on foreign systems.  

## Notable For  
- **Modern Design:** Part of the advanced GLONASS-K series, offering improved performance over older GLONASS-M satellites.  
- **Solar-Powered:** Equipped with two solar arrays for sustained energy supply.  
- **Precision Orbit:** Operates in medium Earth orbit optimized for global coverage.  
- **Russian Sovereignty:** Supports Russia's autonomous navigation infrastructure.  

## Body  
### Launch Details  
- **Date:** October 25, 2020.  
- **Time:** 19:08 UTC.  
- **Site:** Plesetsk Cosmodrome Site 43/4.  
- **Rocket:** Soyuz-2.1b with Fregat upper stage (serial number G15000-031).  

### Technical Specifications  
- **Mass:** 962 kg.  
- **Spacecraft Bus:** Ekspress-1000K.  
- **Power Source:** Two solar arrays.  
- **Orbit:** Medium Earth orbit (MEO).  

### Operational Context  
- **Operator:** Russian Space Forces.  
- **Part of:** GLONASS constellation.  
- **Predecessor:** Kosmos 2501.  
- **Successor:** Kosmos 2557.  

## Schema Markup  
```json
{
  "@context": "https://schema.org",
  "@type": "Thing",
  "name": "Kosmos 2547",
  "description": "Russian GLONASS navigation satellite launched in 2020.",
  "sameAs": ["https://www.wikidata.org/wiki/Q6272367"],
  "additionalType": "GLONASS-K satellite"
}

## References

1. [Source](https://space.skyrocket.de/doc_sdat/uragan-k1.htm)
2. Jonathan's Space Report
3. [Source](https://space.skyrocket.de/doc_stage/fregat.htm)