# Satellite Launch Vehicle

> first launch vehicle of the Indian Space Research Organisation

**Wikidata**: [Q1752243](https://www.wikidata.org/wiki/Q1752243)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Satellite_Launch_Vehicle)  
**Source**: https://4ort.xyz/entity/satellite-launch-vehicle

## Summary
The Satellite Launch Vehicle (SLV) was the first launch vehicle developed by the Indian Space Research Organisation (ISRO), designed to carry payloads into space. It marked a significant milestone in India's space program, enabling the nation to independently launch satellites. The SLV-3 variant successfully deployed the Rohini Satellite 1, India's first indigenously launched satellite.

## Key Facts
- **Manufacturer**: Indian Space Research Organisation (ISRO).
- **Country of Origin**: India.
- **Mass**: 17 tonnes.
- **Height**: 22 metres.
- **Diameter**: 1 metre.
- **Aliases**: SLV, SLV-3.
- **Notable Payload**: Launched Rohini Satellite 1, India's first satellite launched entirely by domestic technology.
- **Subclass**: Launch vehicle.

## FAQs
### Q: What was the first satellite launched by the Satellite Launch Vehicle?
A: The SLV launched Rohini Satellite 1, India's first satellite to be entirely developed and launched domestically.

### Q: Why is the Satellite Launch Vehicle significant?
A: It was ISRO's first launch vehicle, demonstrating India's capability to design and operate space launch systems independently.

### Q: What are the key specifications of the Satellite Launch Vehicle?
A: The SLV had a mass of 17 tonnes, stood 22 metres tall, and had a diameter of 1 metre.

## Why It Matters
The Satellite Launch Vehicle (SLV) played a pivotal role in establishing India as a spacefaring nation. As ISRO's first indigenously developed launch vehicle, it demonstrated the country's technological self-reliance and laid the foundation for future space missions. The SLV-3's successful launch of Rohini Satellite 1 in 1980 validated India's ability to design, build, and operate complex space systems, boosting national prestige and paving the way for advanced launch vehicles like the Augmented Satellite Launch Vehicle (ASLV) and Polar Satellite Launch Vehicle (PSLV). The SLV program also fostered critical expertise in rocketry, propulsion, and mission management, ensuring India's continued growth in space exploration and applications.

## Notable For
- First launch vehicle developed by ISRO.
- Successfully launched Rohini Satellite 1, India's first domestically launched satellite.
- Demonstrated India's capability to design and operate space launch systems.
- Part of the SLV-3 program, a precursor to more advanced Indian launch vehicles.

## Body
### Development and Launch
The Satellite Launch Vehicle was designed and manufactured by ISRO as part of India's early space program. It was the first rocket fully developed by India, emphasizing self-reliance in space technology. The vehicle was used in the SLV-3 configuration, which included three solid-propellant stages and a liquid-propellant fourth stage.

### Technical Specifications
- **Mass**: 17 tonnes.
- **Height**: 22 metres.
- **Diameter**: 1 metre.
- **Payload Capacity**: Designed to place satellites into low Earth orbit.

### Legacy
The SLV program was a critical step in India's space technology development. Its success with the Rohini Satellite 1 mission validated ISRO's engineering capabilities and provided valuable experience for subsequent launch vehicle projects. The SLV-3's design influenced later rockets, contributing to India's emergence as a global leader in cost-effective space launch services.

## References

1. Freebase Data Dumps. 2013
2. [Source](http://www.isro.gov.in/launchers/slv)