# ÑuSat 4

> Earth observation satellite of the Aleph constellation

**Wikidata**: [Q78821814](https://www.wikidata.org/wiki/Q78821814)  
**Source**: https://4ort.xyz/entity/nusat-4

## Summary
ÑuSat 4 is an Earth observation satellite and part of Argentina's Aleph constellation, operated by Satellogic. Launched on February 2, 2018, aboard a Long March 2D rocket from China's Jiuquan Launch Complex, it contributes to high-resolution imaging and environmental monitoring efforts. The satellite is named after Ada Lovelace and nicknamed "Ada."

## Key Facts
- **Launch Date**: February 2, 2018 at 07:51:04 UTC
- **Operator**: Satellogic
- **Manufacturer**: Satellogic
- **Country of Origin**: Argentina
- **Part Of**: Aleph constellation
- **Launch Vehicle**: Long March 2D (Flight Y13)
- **Launch Site**: Jiuquan Launch Complex 43/94
- **Mass**: 37.5 kilograms
- **Dimensions**: 75 cm × 40 cm × 43 cm (L × W × H)
- **Aliases**: ÑuSat-4, Ada, NuSat 4, NewSat 4, Aleph-1 4

## FAQs
### Q: What is ÑuSat 4 used for?
A: ÑuSat 4 is an Earth observation satellite designed to capture high-resolution images for environmental monitoring, agriculture, urban planning, and disaster response. It supports commercial and scientific applications through its participation in the Aleph constellation.

### Q: Who operates ÑuSat 4?
A: ÑuSat 4 is operated by Satellogic, an Argentine space technology company focused on Earth observation services.

### Q: Where was ÑuSat 4 launched from?
A: ÑuSat 4 was launched from the Jiuquan Launch Complex 43/94 in China using a Long March 2D rocket on February 2, 2018.

## Why It Matters
ÑuSat 4 plays a critical role in advancing Earth observation capabilities within the Aleph constellation, which aims to provide frequent revisits and near-real-time imagery of any location on Earth. As part of Satellogic’s broader mission, it contributes to global efforts in climate monitoring, resource management, and geospatial intelligence. Its compact design and efficient deployment reflect advancements in small satellite technologies that enable cost-effective access to space-based remote sensing. By supporting both private sector clients and public institutions, ÑuSat 4 enhances Argentina’s growing influence in the international space industry while promoting sustainable development through actionable satellite data.

## Notable For
- Being one of the smallest operational Earth observation satellites with full-color imaging capability
- First commercial satellite in the Aleph constellation developed entirely in Argentina
- Named after Ada Lovelace, highlighting contributions of women in science and computing
- Operated under a fully integrated constellation model enabling rapid revisit times
- Launched via a Chinese Long March 2D rocket, marking cross-border collaboration in smallsat missions

## Body
### Mission Overview
ÑuSat 4 is a member of the Aleph constellation, a network of Earth observation satellites managed by Satellogic. These satellites are engineered to deliver high-resolution optical imagery for various commercial and governmental uses including land use analysis, agricultural monitoring, and emergency response coordination.

### Technical Specifications
The physical characteristics of ÑuSat 4 align with other members of the ÑuSat series:
- **Mass**: 37.5 kg
- **Length**: 75 cm
- **Width**: 40 cm
- **Height**: 43 cm
These dimensions allow for compact integration into launch vehicles and modular deployment strategies.

### Launch Details
- **Date**: February 2, 2018
- **Time**: 07:51:04 UTC
- **Vehicle**: Long March 2D (Flight Y13)
- **Site**: Jiuquan Launch Complex 43/94, China
This marked the fourth successful launch in the ÑuSat program and expanded the Aleph constellation’s capacity significantly.

### Operational Role
As part of the Aleph constellation, ÑuSat 4 contributes to daily global coverage with sub-meter resolution imaging. The constellation enables multiple daily revisits over key regions, making it ideal for tracking dynamic events such as weather patterns or human activity changes.

### Naming & Cultural Significance
Named after Ada Lovelace—often regarded as the world's first computer programmer—the satellite honors historical figures who advanced computational thinking and innovation. This naming reflects Satellogic’s commitment to inspiring future generations in STEM fields.

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{
  "@context": "https://schema.org",
  "@type": "Thing",
  "name": "ÑuSat 4",
  "description": "Earth observation satellite of the Aleph constellation",
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## References

1. Jonathan's Space Report
2. [Source](https://www.itu.int/en/ITU-R/space/workshops/2017-Bariloche/Presentations/30%20-%20Adrian%20Sinclair-%20Satellogic.pdf)
3. [Source](https://space.skyrocket.de/doc_sdat/nusat-1.htm)