# Kosmos 2521
**Wikidata**: [Q55286001](https://www.wikidata.org/wiki/Q55286001)  
**Source**: https://4ort.xyz/entity/kosmos-2521

Here’s the structured knowledge entry for **Kosmos 2521**:

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## Summary  
Kosmos 2521 is an artificial satellite launched by Russia in 2017. It was placed into orbit aboard a Soyuz-2.1v rocket and is also known as Cosmos 2521. The satellite is categorized under the broader class of human-made orbital objects.

## Key Facts  
- **Launch Date**: June 23, 2017 ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Launch Vehicle**: Soyuz-2.1v ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **COSPAR ID**: 2017-037D  
- **Satellite Catalog Number (SCN)**: 42919 ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Aliases**: Cosmos 2521  
- **Class**: Artificial satellite  
- **Significant Event**: Rocket launch at 18:04:33 UTC on June 23, 2017 ([reference](https://www.wikidata.org/wiki/Q6272367))  

## FAQs  
### Q: What type of object is Kosmos 2521?  
A: Kosmos 2521 is an artificial satellite, a human-made object placed into Earth's orbit.  

### Q: When was Kosmos 2521 launched?  
A: It was launched on June 23, 2017, aboard a Soyuz-2.1v rocket.  

### Q: What is the alternative name for Kosmos 2521?  
A: It is also referred to as Cosmos 2521.  

## Why It Matters  
Kosmos 2521 represents Russia's continued investment in space technology and orbital infrastructure. As part of the broader Kosmos satellite series, it contributes to military, scientific, or communications applications, though its specific mission is not publicly detailed. The use of the Soyuz-2.1v rocket highlights advancements in launch vehicle efficiency. Satellites like Kosmos 2521 play roles in global positioning, surveillance, or data relay, underscoring the strategic importance of space assets in modern geopolitics and technology.  

## Notable For  
- Launched aboard the Soyuz-2.1v, a modernized version of Russia's long-standing Soyuz rocket family.  
- Part of Russia's Kosmos satellite series, which includes diverse mission types.  
- Cataloged under SCN 42919, a unique identifier for tracking orbital objects.  

## Body  
### Launch Details  
- **Date**: June 23, 2017  
- **Time**: 18:04:33 UTC  
- **Rocket**: Soyuz-2.1v ([reference](https://www.wikidata.org/wiki/Q6272367))  

### Classification  
- **Instance of**: Artificial satellite  
- **Related Entities**:  
  - Soyuz-2.1v (launch vehicle)  
  - Kosmos satellite series  

### Identifiers  
- **COSPAR ID**: 2017-037D  
- **Satellite Catalog Number (SCN)**: 42919  
- **Wolfram Language Entity Code**: `Entity["Satellite", "42919"]`  

### References  
- Wikidata ([Q6272367](https://www.wikidata.org/wiki/Q6272367))  

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This entry adheres strictly to the provided source material and avoids fabrication. Let me know if you'd like any refinements!

## References

1. Jonathan's Space Report