# SECOR 6

> American military geodetic satellite

**Wikidata**: [Q52376243](https://www.wikidata.org/wiki/Q52376243)  
**Source**: https://4ort.xyz/entity/secor-6

## Summary
SECOR 6 was an American military geodetic satellite launched on June 9, 1966, as part of the SECOR (Sequential Collation of Range) program. It was designed to support precise geodetic measurements and was operated by the United States Army Corps of Engineers. The satellite had a mass of 17.6 kilograms and was launched into low Earth orbit using an Atlas SLV-3 Agena-D rocket.

## Key Facts
- **Launch Date**: June 9, 1966, at 20:15 UTC from Vandenberg Space Launch Complex 3 East.
- **Mass**: 17.6 kilograms.
- **Orbit**: Low Earth orbit.
- **Launch Vehicle**: Atlas SLV-3 Agena-D.
- **Manufacturer**: Cubic Corporation.
- **Sponsors**: United States Army and United States Air Force.
- **Operator**: United States Army Corps of Engineers.
- **Aliases**: Sequential Collation of Range 6, EGRS 6.
- **COSPAR ID**: 1966-051B.
- **Classification**: Military satellite and geodetic satellite.
- **Country of Origin**: United States.

## FAQs
### Q: What was the purpose of SECOR 6?
A: SECOR 6 was part of the SECOR program, which aimed to provide precise geodetic measurements for military and scientific applications. It supported the establishment of a global reference system for positioning and navigation.

### Q: Who operated SECOR 6?
A: SECOR 6 was operated by the United States Army Corps of Engineers, with sponsorship from the United States Army and Air Force.

### Q: What was the launch vehicle used for SECOR 6?
A: SECOR 6 was launched using an Atlas SLV-3 Agena-D rocket from Vandenberg Space Launch Complex 3 East on June 9, 1966.

### Q: What was the mass of SECOR 6?
A: SECOR 6 had a mass of 17.6 kilograms.

### Q: What type of orbit did SECOR 6 operate in?
A: SECOR 6 was placed in a low Earth orbit.

## Why It Matters
SECOR 6 was part of the SECOR program, which played a crucial role in establishing a global geodetic reference system. The program aimed to provide precise positioning data for military and scientific purposes, including navigation and mapping. By launching satellites like SECOR 6, the United States Army and Air Force contributed to advancements in geodesy, which is essential for accurate positioning and orientation in various applications. The program's success laid the groundwork for future satellite-based positioning systems, demonstrating the importance of geodetic satellites in military and scientific endeavors.

## Notable For
- **Part of the SECOR Program**: SECOR 6 was one of several satellites launched as part of the SECOR program, which aimed to create a global geodetic reference system.
- **Military and Scientific Applications**: The satellite supported precise geodetic measurements, contributing to military and scientific research.
- **Low Earth Orbit**: SECOR 6 operated in a low Earth orbit, which was suitable for its geodetic mission.
- **Atlas SLV-3 Agena-D Launch**: The satellite was launched using the Atlas SLV-3 Agena-D rocket, a reliable expendable launch system at the time.
- **Collaboration Between Agencies**: SECOR 6 was sponsored by both the United States Army and Air Force, highlighting interagency cooperation in space technology.

## Body
### Overview
SECOR 6 was an American military geodetic satellite launched on June 9, 1966, as part of the SECOR program. The satellite was designed to support precise geodetic measurements and was operated by the United States Army Corps of Engineers. It had a mass of 17.6 kilograms and was launched into low Earth orbit using an Atlas SLV-3 Agena-D rocket.

### Mission and Purpose
The SECOR program aimed to establish a global geodetic reference system, providing precise positioning data for military and scientific applications. SECOR 6, like other satellites in the program, contributed to this goal by supporting the establishment of a global reference system for positioning and navigation.

### Launch Details
SECOR 6 was launched on June 9, 1966, at 20:15 UTC from Vandenberg Space Launch Complex 3 East. The satellite was launched using an Atlas SLV-3 Agena-D rocket, which was a reliable expendable launch system at the time. The launch was sponsored by the United States Army and Air Force, with the United States Army Corps of Engineers operating the satellite.

### Technical Specifications
SECOR 6 had a mass of 17.6 kilograms and was placed in a low Earth orbit. The satellite was manufactured by Cubic Corporation and had the COSPAR ID 1966-051B. It was classified as both a military satellite and a geodetic satellite, reflecting its dual-purpose role in supporting military and scientific research.

### Significance
SECOR 6 was part of a broader initiative to advance geodetic measurements and positioning systems. The program's success laid the groundwork for future satellite-based positioning systems, demonstrating the importance of geodetic satellites in military and scientific endeavors. The collaboration between the United States Army and Air Force in the SECOR program highlighted the value of interagency cooperation in space technology.

## References

1. [Source](https://space.skyrocket.de/doc_sdat/secor-1.htm)
2. Jonathan's Space Report