# Helios 1

> NASA and DLR solar probe

**Wikidata**: [Q3129781](https://www.wikidata.org/wiki/Q3129781)  
**Source**: https://4ort.xyz/entity/helios-1

## Summary
Helios 1 is a solar probe developed collaboratively by NASA and DLR (the German Aerospace Center). Launched on December 10, 1974, from Cape Canaveral, the spacecraft was designed to study the Sun from a heliocentric orbit. It is part of the broader Helios Program and was deployed using a Titan IIIE launch vehicle.

## Key Facts
- **Entity Type:** Solar probe (space probe designed to study the Sun).
- **Agencies:** NASA and DLR.
- **Launch Date:** December 10, 1974.
- **Launch Vehicle:** Titan IIIE.
- **Launch Site:** Cape Canaveral Space Launch Complex 41.
- **Orbit:** Heliocentric orbit (orbit around the Sun).
- **Program Affiliation:** Part of the Helios Program.
- **COSPAR ID:** 1974-097A.
- **NSSDCA ID:** 1974-097A.
- **NAIF ID:** -301.
- **Alternate Names:** Helios1, Helios-A.

## FAQs
### Q: What was the purpose of Helios 1?
A: Helios 1 was a solar probe designed to study the Sun. It operated from a heliocentric orbit to gather data about the solar body.

### Q: When and how was Helios 1 launched?
A: Helios 1 was launched on December 10, 1974, using a Titan IIIE rocket from Cape Canaveral Space Launch Complex 41.

### Q: Who built and operated Helios 1?
A: Helios 1 was a joint project between the American space agency (NASA) and the German aerospace center (DLR).

## Why It Matters
Helios 1 represents a significant milestone in international space collaboration and solar exploration. As a joint endeavor between NASA and DLR, it exemplifies successful cooperation between U.S. and German aerospace agencies during the 1970s. The mission utilized the powerful Titan IIIE launch vehicle to place a sophisticated scientific platform into a heliocentric orbit, directly investigating the Sun. By classifying as a dedicated solar probe, Helios 1 contributed to the foundational understanding of solar physics and set precedents for the technical requirements of deep-space solar observation missions.

## Notable For
- Being a primary component of the Helios Program.
- Serving as a collaborative project between NASA and DLR.
- Utilizing the Titan IIIE launch vehicle for deployment.
- Operating as a dedicated solar probe in heliocentric orbit.
- Launching from Cape Canaveral Space Launch Complex 41 in late 1974.

## Body
### Mission Overview
Helios 1 is classified as a solar probe, a type of space probe specifically designed to study the Sun. It is identified by the COSPAR ID 1974-097A and the NSSDCA ID 1974-097A. The probe is also known by the aliases Helios1 and Helios-A. It functions as a satellite within a heliocentric orbit.

### Launch Details
The spacecraft underwent a significant rocket launch event on December 10, 1974. This mission originated from Cape Canaveral Space Launch Complex 41. The launch vehicle used to propel Helios 1 into space was the Titan IIIE, a model of the Titan III launch vehicle family.

### Program and Technical Identifiers
Helios 1 is a part of the Helios Program. In technical databases, it is assigned the NAIF ID -301 and the SCN value 07567. The mission is documented across multiple Wikipedia languages, including Czech, French, Hungarian, Latvian, Polish, and Swedish.

## References

1. Jonathan's Space Report