# SECOR 5

> American military geodetic satellite

**Wikidata**: [Q16944962](https://www.wikidata.org/wiki/Q16944962)  
**Source**: https://4ort.xyz/entity/secor-5

## Summary
SECOR 5 is an American military geodetic satellite launched on August 10, 1965, 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 was launched aboard a Scout B rocket from Wallops Flight Facility.

## Key Facts
- **Launch Date**: August 10, 1965, at 17:54:00 UTC
- **Mass**: 16.8 kilograms
- **Launch Vehicle**: Scout B (serial number S131R)
- **Launch Site**: Wallops Flight Facility Launch Area 3
- **Operator**: United States Army Corps of Engineers
- **Manufacturer**: Cubic Corporation
- **Orbit**: Low Earth orbit
- **Aliases**: Sequential Collation of Range 5, EGRS 5, EGRS V
- **COSPAR ID**: 1965-063A
- **Classification**: Military satellite, geodetic satellite
- **Country of Origin**: United States

## FAQs
### Q: What was the purpose of SECOR 5?
A: SECOR 5 was a geodetic satellite designed to support precise measurements for military and scientific applications, including geodetic research and navigation.

### Q: Who launched SECOR 5?
A: SECOR 5 was launched by the United States Army Corps of Engineers using a Scout B rocket from Wallops Flight Facility.

### Q: What was the mass of SECOR 5?
A: SECOR 5 had a mass of 16.8 kilograms.

### Q: What type of orbit did SECOR 5 operate in?
A: SECOR 5 operated in a low Earth orbit.

### Q: What was the launch vehicle for SECOR 5?
A: SECOR 5 was launched aboard a Scout B rocket with the serial number S131R.

## Why It Matters
SECOR 5 was part of the SECOR program, which aimed to develop a global satellite-based navigation and geodetic measurement system. The program was sponsored by the United States Army and involved the deployment of multiple satellites to provide precise positioning data. SECOR 5, along with other satellites in the series, contributed to advancements in geodesy and military navigation, supporting applications such as missile tracking and global positioning. The program demonstrated the feasibility of using satellites for geodetic measurements and laid the groundwork for future satellite-based navigation systems.

## Notable For
- **First in Series**: SECOR 5 was the first satellite in the SECOR program, paving the way for subsequent missions.
- **Military Geodesy**: It was one of the first satellites dedicated to military geodetic research.
- **Low Earth Orbit**: SECOR 5 operated in a low Earth orbit, which was typical for early geodetic satellites.
- **Scout B Launch**: The satellite was launched using a Scout B rocket, which was a reliable launch vehicle for small satellites at the time.
- **Precise Measurements**: SECOR 5 supported high-precision geodetic measurements, contributing to military and scientific applications.

## Body
### Overview
SECOR 5 was a geodetic satellite launched as part of the SECOR program, which was sponsored by the United States Army. The program aimed to develop a global satellite-based navigation and geodetic measurement system. SECOR 5 was designed to support precise measurements for military and scientific applications, including geodetic research and navigation.

### Launch Details
SECOR 5 was launched on August 10, 1965, at 17:54:00 UTC from Wallops Flight Facility Launch Area 3. The satellite was launched aboard a Scout B rocket with the serial number S131R. The launch was part of a series of missions to deploy satellites for geodetic measurements.

### Technical Specifications
SECOR 5 had a mass of 16.8 kilograms. It operated in a low Earth orbit and was manufactured by Cubic Corporation. The satellite was part of the SECOR series, which included other satellites with similar purposes. SECOR 5 was operated by the United States Army Corps of Engineers.

### Significance
SECOR 5 played a significant role in the development of satellite-based geodetic measurements. The satellite contributed to advancements in geodesy and military navigation, supporting applications such as missile tracking and global positioning. The SECOR program demonstrated the feasibility of using satellites for geodetic measurements and laid the groundwork for future satellite-based navigation systems.

### Legacy
SECOR 5 was one of the first satellites dedicated to military geodetic research. The satellite's launch and operation were part of a broader effort to develop satellite-based navigation and positioning systems. The SECOR program's achievements influenced subsequent developments in satellite technology and geodesy.

## References

1. Jonathan's Space Report
2. [Source](https://apps.dtic.mil/dtic/tr/fulltext/u2/a002625.pdf)