# Iridium 90

> 27373

**Wikidata**: [Q111497575](https://www.wikidata.org/wiki/Q111497575)  
**Source**: https://4ort.xyz/entity/iridium-90

## Summary  
Iridium 90 is an artificial satellite identified by the catalog number 27373. It belongs to the class of human-made objects placed into orbit, though specific details about its mission, launch, or capabilities are not provided in the available source material.  

## Key Facts  
- **Instance of**: Artificial satellite.  
- **Wikidata ID**: 27373.  
- **Wolfram Language Entity Code**: Entity["Satellite", "27373"].  
- **Classification**: Categorized as a human-made orbital object.  
- **Data Limitations**: No launch date, operator, or mission details are included in the provided source material.  

## FAQs  
### Q: What is Iridium 90?  
A: Iridium 90 is an artificial satellite cataloged under the number 27373. It is a human-made object in orbit, though specific operational details are not documented in the available data.  

### Q: Who launched Iridium 90?  
A: The source material does not specify the launch provider, date, or mission details for Iridium 90.  

### Q: What is the purpose of Iridium 90?  
A: The provided information does not include the satellite’s intended use or mission objectives.  

## Why It Matters  
Iridium 90 represents a component of the global network of artificial satellites that underpin modern communication, navigation, and Earth observation systems. While its specific role is not detailed in the available data, satellites like Iridium 90 are critical to infrastructure such as telecommunications, weather forecasting, and scientific research. The lack of specific information about this satellite highlights the broader challenge of tracking and documenting the thousands of objects in Earth’s orbit, many of which play unseen but vital roles in daily life.  

## Notable For  
- **Unique Identifier**: Recognized by the distinct Wikidata ID 27373 and Wolfram Language code.  
- **Classification**: Explicitly categorized as an artificial satellite, distinguishing it from natural celestial objects.  
- **Data Representation**: Serves as an example of how satellites are cataloged in knowledge bases like Wikidata.  

## Body  
### Classification and Identification  
Iridium 90 is formally classified as an **artificial satellite**, a human-made object intentionally placed into orbit. It is assigned the unique identifier **27373** in Wikidata and the Wolfram Language entity code **Entity["Satellite", "27373"]**.  

### Available Information  
The provided source material does not include:  
- Launch date or vehicle.  
- Operator or owning entity.  
- Mission purpose (e.g., communication, scientific, military).  
- Orbital parameters (e.g., altitude, inclination).  
- Physical specifications (e.g., mass, dimensions).  

### Contextual Significance  
As an artificial satellite, Iridium 90 is part of a broader category of technologies that enable global connectivity and data collection. While its specific contributions are not documented here, satellites in this class are foundational to modern infrastructure, supporting services ranging from internet access to environmental monitoring. The absence of detailed information about Iridium 90 underscores the complexity of maintaining comprehensive records for the vast number of satellites in orbit.