# USA 61

> 20691

**Wikidata**: [Q111500090](https://www.wikidata.org/wiki/Q111500090)  
**Source**: https://4ort.xyz/entity/usa-61

## Summary
USA 61 is an artificial satellite identified by the Wolfram Language entity code "20691." It is classified as an instance of an artificial satellite, meaning it is a human-made object placed into orbit.

## Key Facts
- **Instance of**: Artificial satellite (human-made object in orbit)
- **Wikidata description**: "20691" (likely a catalog number or identifier)
- **Wolfram Language entity code**: Entity["Satellite", "20691"]
- **Related class**: Artificial satellite (sitelink count: 142)
- **Classification**: Part of the broader category of human-made orbital objects

## FAQs
### Q: What is USA 61?
A: USA 61 is an artificial satellite, meaning it is a human-made object placed into orbit around Earth. Its exact purpose or specifications are not provided in the source material.

### Q: What is the significance of USA 61?
A: The source material does not specify the significance of USA 61. It is classified as an artificial satellite, but no additional details are available.

### Q: How is USA 61 identified?
A: USA 61 is identified by the Wolfram Language entity code "20691" and is described in Wikidata as "20691," which may refer to a catalog number or identifier.

## Why It Matters
The significance of USA 61 is not detailed in the provided source material. As an artificial satellite, it represents human achievement in space exploration, but its specific role, contributions, or impact is unknown. Without additional context, its relevance to broader scientific or technological advancements cannot be determined.

## Notable For
- **Classification**: One of many artificial satellites in orbit
- **Identification**: Recognized by the Wolfram Language entity code "20691"
- **Wikidata entry**: Described as "20691," possibly a catalog number

## Body
### Classification
USA 61 is classified as an artificial satellite, a category that includes all human-made objects placed into orbit around Earth. The source material does not provide details on its mission, orbit, or operational status.

### Identification
The satellite is referenced by the Wolfram Language entity code **Entity["Satellite", "20691"]** and is described in Wikidata as "20691," which may be a catalog number or identifier assigned by a tracking system.

### Related Entities
The source material notes that artificial satellites are a related class, with a sitelink count of 142, indicating a significant number of related entries. However, no specific relationships or connections to other satellites are provided.

### Limitations
The source material does not include details on the satellite's launch date, orbit, purpose, or operational history. Without additional data, its significance or role in space exploration remains unclear.