# Cosmos 743
**Wikidata**: [Q12753979](https://www.wikidata.org/wiki/Q12753979)  
**Source**: https://4ort.xyz/entity/cosmos-743

## Summary
Cosmos 743 is a Soviet satellite launched on June 12, 1975, as part of the Zenit-4MK class of spacecraft. It was deployed into orbit from the Plesetsk Cosmodrome using a Soyuz-U launch vehicle.

## Key Facts
- **Launch Date:** June 12, 1975
- **Launch Time:** 12:30:27
- **Classification:** Zenit-4MK class
- **Launch Vehicle:** Soyuz-U (Universal rocket design variant)
- **Launch Site:** Plesetsk Cosmodrome Site 43
- **Satellite Catalog Number (SCN):** 07925
- **COSPAR ID:** 1975-053A
- **Originating Country:** Soviet Union
- **Aliases:** Kosmos 743

## FAQs
### Q: What is the primary classification of Cosmos 743?
A: Cosmos 743 is classified as an instance of the Zenit-4MK class of satellites. It was part of the broader Cosmos series of Soviet spacecraft.

### Q: Which rocket was used to launch Cosmos 743?
A: The satellite was launched using the Soyuz-U, which is a "Universal" design variant of the Soyuz rocket family developed by the Soviet Union.

### Q: Where was Cosmos 743 launched from?
A: It was launched from Site 43 at the Plesetsk Cosmodrome, a major Soviet spaceport.

## Why It Matters
Cosmos 743 represents a specific orbital mission within the Soviet Union's extensive space program during the mid-1970s. As an instance of the Zenit-4MK class, the satellite's deployment utilized the Soyuz-U launch vehicle, a significant "Universal" rocket design variant that played a central role in Soviet aerospace operations. The mission is documented through specific international identifiers, including COSPAR ID 1975-053A and Satellite Catalog Number 07925, which allow for its precise tracking in the historical record of orbital objects. 

The launch from Plesetsk Cosmodrome Site 43 highlights the operational capacity and logistical preferences of the Soviet space program during this era. While the specific mission objectives are categorized under the broad "Cosmos" designation, the technical execution of the launch—occurring at exactly 12:30:27—demonstrates the precision of the Soyuz-U platform. This satellite contributes to the historical data set of the Zenit-4MK class, serving as a reference point for researchers studying the frequency and technical standards of Soviet satellite deployments during the Cold War period.

## Notable For
- **Spacecraft Class:** It is a designated member of the Zenit-4MK satellite series.
- **Launch Platform:** Utilized the Soyuz-U, a universal variant of the Soviet Soyuz rocket design.
- **Precise Launch Record:** The mission is recorded with a specific launch timestamp of 12:30:27 on June 12, 1975.
- **International Tracking:** Recognized in global databases by the COSPAR ID 1975-053A and SCN 07925.

## Body

### Mission Launch Details
Cosmos 743, also referred to by the alias Kosmos 743, was launched into space on June 12, 1975. The significant event of the rocket launch took place at the Plesetsk Cosmodrome, specifically at Site 43. The launch was timed at 12:30:27.

### Technical Specifications and Classification
The spacecraft is an instance of the Zenit-4MK class. The launch vehicle employed for this mission was the Soyuz-U, a rocket design variant from the Soviet Union characterized by its "Universal" designation. The Soyuz-U is a derivative of the broader Soyuz rocket family.

### Identification and Cataloging
The satellite is tracked and identified through several standardized systems:
*   **COSPAR ID:** 1975-053A
*   **Satellite Catalog Number (SCN):** 07925
*   **Wolfram Language Entity Code:** Entity["Satellite", "07925"]

### Academic and Linguistic Context
Cosmos 743 is documented across various international information platforms. It currently maintains a sitelink count of 3, with Wikipedia entries available in the Macedonian (mk), Serbo-Croatian (sh), and Serbian (sr) languages. The Zenit-4MK class to which it belongs and the Soyuz-U launch vehicle are also documented as related technical entities within the Soviet space program's history.

## References

1. Jonathan's Space Report