# Helios 2

> NASA and DLR solar probe

**Wikidata**: [Q3129777](https://www.wikidata.org/wiki/Q3129777)  
**Source**: https://4ort.xyz/entity/helios-2

Here’s the structured knowledge entry for **Helios 2**:

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## Summary  
Helios 2 is a NASA and DLR (German Aerospace Center) solar probe designed to study the Sun and its heliocentric orbit. Launched in 1976, it was part of the Helios Program and contributed valuable data about solar wind and cosmic rays. It remains one of the earliest collaborative missions between the U.S. and Germany in solar exploration.

## Key Facts  
- **Launch Date:** January 15, 1976 ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Launch Vehicle:** Titan IIIE ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Launch Site:** Cape Canaveral Space Launch Complex 41 ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **COSPAR ID:** 1976-003A ([reference](https://www.wikidata.org/wiki/Q8447))  
- **NAIF ID:** -302  
- **Part of:** Helios Program  
- **Satellite Orbit:** Heliocentric  
- **Spacecraft ID (NSSDCA):** 1976-003A  
- **Aliases:** Helios2, Helios-B, Helios 2  

## FAQs  
### Q: What was the purpose of Helios 2?  
A: Helios 2 was designed to study the Sun, particularly solar wind and cosmic rays, as part of a joint NASA-DLR mission to advance understanding of solar phenomena.  

### Q: When was Helios 2 launched?  
A: It launched on January 15, 1976, aboard a Titan IIIE rocket from Cape Canaveral Space Launch Complex 41.  

### Q: What distinguishes Helios 2 from other solar probes?  
A: It was one of the earliest U.S.-Germany collaborative solar missions and set records for closest approach to the Sun at the time.  

## Why It Matters  
Helios 2 played a pivotal role in early solar research, providing critical data on solar wind and cosmic rays that helped shape modern heliophysics. Its findings improved predictions of space weather, which affects satellite communications and power grids on Earth. As part of the Helios Program, it demonstrated the value of international collaboration in space exploration, setting a precedent for future missions like Parker Solar Probe and Solar Orbiter.  

## Notable For  
- **Closest Solar Approach:** Held the record for closest approach to the Sun at the time (~0.29 AU).  
- **International Collaboration:** One of the first major NASA-DLR joint missions.  
- **Scientific Contributions:** Advanced understanding of solar wind and cosmic rays.  

## Body  
### Mission Overview  
- Part of the **Helios Program**, a joint NASA-DLR initiative.  
- Primary goal: Study solar wind, magnetic fields, and cosmic rays.  

### Launch and Deployment  
- **Launch Date:** January 15, 1976.  
- **Rocket:** Titan IIIE.  
- **Launch Site:** Cape Canaveral Space Launch Complex 41.  

### Technical Specifications  
- **Spacecraft ID:** NSSDCA 1976-003A, COSPAR 1976-003A.  
- **Orbit:** Heliocentric (closest approach ~0.29 AU).  

### Legacy  
- Paved the way for modern solar probes like Parker Solar Probe.  
- Data remains relevant for space weather modeling.  

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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