# P35-11
**Wikidata**: [Q28697213](https://www.wikidata.org/wiki/Q28697213)  
**Source**: https://4ort.xyz/entity/p35-11

## Summary
P35-11 is a research satellite launched on March 18, 1965, aboard a Thor-Burner expendable launch system. Designed for scientific research, it is identified by COSPAR ID 1965-021A and satellite catalog number 01273. The satellite is documented in Polish Wikipedia, reflecting its niche historical significance.

## Key Facts
- **COSPAR ID**: 1965-021A  
- **Satellite Catalog Number (SCN)**: 01273  
- **Launch Date**: March 18, 1965  
- **Launch Vehicle**: Thor-Burner (American expendable launch system)  
- **Mission Type**: Scientific research satellite  
- **Wikipedia Coverage**: Documented in Polish language  

## FAQs
### Q: What was the purpose of the P35-11 satellite?  
A: P35-11 was a research satellite designed to conduct scientific experiments in space, though specific mission details are not elaborated in available sources.  

### Q: When and how was P35-11 launched?  
A: The satellite was launched on March 18, 1965, using a Thor-Burner rocket, part of the Thor family of expendable launch systems.  

### Q: Why is P35-11 notable?  
A: It is notable as an early example of a research satellite and for its association with the Thor-Burner launch vehicle, contributing to 1960s space exploration efforts.  

## Why It Matters  
P35-11 represents a modest but tangible contribution to early space research during the 1960s, a period marked by rapid advancements in satellite technology. As part of the Thor-Burner launch system’s payload, it underscores the role of American rocketry in supporting scientific missions. While not widely publicized, its existence highlights the iterative progress of space programs, where even lesser-documented satellites played roles in testing systems and methodologies. For historians and engineers, P35-11 serves as a data point in tracing the evolution of satellite design and launch capabilities during the Space Age’s formative years.

## Notable For  
- **Launch Vehicle Heritage**: Part of the Thor-Burner rocket family, pivotal in 1960s U.S. space efforts.  
- **International Documentation**: Recognized in Polish Wikipedia, indicating niche global interest.  
- **Early Research Satellite**: Embodies the experimental nature of mid-20th-century space science initiatives.  

## Body  
### Launch Details  
- **Date**: March 18, 1965  
- **Vehicle**: Thor-Burner (expendable launch system)  
- **Identifier**: COSPAR ID 1965-021A  

### Mission Overview  
P35-11 was classified as a research satellite, implying a mission focused on scientific data collection. While specific objectives or instruments are not detailed in available sources, its classification aligns with contemporary satellites used for Earth observation, atmospheric studies, or technology demonstration.  

### Legacy  
Though not a headline-grabbing mission, P35-11’s launch reflects the broader context of 1960s space activity. The Thor-Burner system, derived from earlier Thor missiles, exemplified the repurposing of military hardware for scientific pursuits. The satellite’s minimal online presence (e.g., Polish Wikipedia entry) suggests limited public engagement but confirms its existence in historical records. As a product of its era, P35-11 represents the methodical, often underrecognized work of early space programs.

## References

1. Jonathan's Space Report