# ORBIS 1

> The Orbiting Radio Beacon Ionospheric Satellite 1 (ORBIS-1) launch, from Vandenberg AFB on 21 April 1964 on a Thor-Able booster, failed, and the satellite never reached orbit.

**Wikidata**: [Q113275040](https://www.wikidata.org/wiki/Q113275040)  
**Source**: https://4ort.xyz/entity/orbis-1

## Summary
ORBIS 1 was an American artificial satellite designed to study the ionosphere that failed to reach orbit during its launch on April 21, 1964. The satellite was launched from Vandenberg Air Force Base using a Thor-Able booster, but the launch was unsuccessful. It was part of the Orbiting Radio Beacon Ionospheric Satellite program.

## Key Facts
- Launch date: April 21, 1964
- Launch site: Vandenberg Air Force Base, California
- Launch vehicle: Thor-Able booster
- Mission type: Ionospheric research satellite
- Outcome: Launch failure, satellite never reached orbit
- NSSDCA ID: ORBIS1
- Classification: Artificial satellite
- Program: Orbiting Radio Beacon Ionospheric Satellite

### Q: What was ORBIS 1?
A: ORBIS 1 was an American artificial satellite designed to study the ionosphere through radio beacon measurements. It was launched on April 21, 1964, from Vandenberg Air Force Base using a Thor-Able booster, but the launch failed and the satellite never reached orbit.

### Q: Why did the ORBIS 1 launch fail?
A: The specific technical reasons for the ORBIS 1 launch failure are not documented in the available source material. The launch from Vandenberg AFB on April 21, 1964, using a Thor-Able booster was unsuccessful, resulting in the satellite never reaching orbit.

### Q: What was the purpose of the ORBIS satellite program?
A: The Orbiting Radio Beacon Ionospheric Satellite program was designed to study the Earth's ionosphere using radio beacon measurements from space. ORBIS 1 was the first satellite in this program, though it failed to reach orbit.

## Why It Matters
ORBIS 1 represents an important early attempt to study the Earth's ionosphere from space, a critical component of understanding space weather and its effects on radio communications. The ionosphere plays a vital role in long-distance radio propagation and satellite communications, making its study essential for both scientific understanding and practical applications. Although ORBIS 1 failed to reach orbit, the mission contributed to the knowledge base that would inform future successful ionospheric research satellites. The use of the Thor-Able booster for this launch also represents part of the ongoing development of reliable launch vehicles during the early space age. Launch failures, while disappointing, provide valuable data that helps improve future mission success rates and spacecraft design.

## Notable For
- First satellite in the Orbiting Radio Beacon Ionospheric Satellite program
- Attempted use of radio beacon technology for ionospheric research from space
- Launch from Vandenberg Air Force Base, a key facility for polar orbit launches
- Use of Thor-Able booster, a workhorse launch vehicle of the early space age
- Contribution to the understanding of launch vehicle reliability and failure analysis

## Body
### Launch Details
The ORBIS 1 satellite was launched on April 21, 1964, from Vandenberg Air Force Base in California. Vandenberg AFB is particularly suited for launches into polar orbits due to its location on the California coast, allowing rockets to launch southward over the Pacific Ocean.

### Technical Specifications
As an ionospheric research satellite, ORBIS 1 would have carried radio beacon equipment designed to transmit signals through the ionosphere. These signals would be analyzed on the ground to study ionospheric density, composition, and behavior. The satellite was launched using a Thor-Able booster, which was a reliable launch vehicle combination that had been used for numerous satellite launches since the late 1950s.

### Program Context
The Orbiting Radio Beacon Ionospheric Satellite program represented an important approach to space-based ionospheric research. By placing radio beacons in orbit, scientists could study how radio waves propagated through different layers of the ionosphere, providing data crucial for understanding space weather phenomena and improving radio communication systems.

### Legacy
While ORBIS 1 itself did not achieve orbit, the mission contributed to the iterative process of space exploration where both successes and failures provide valuable engineering and scientific data. The knowledge gained from this and similar missions helped inform the design and execution of future successful ionospheric research satellites.