# San Marco 4
**Wikidata**: [Q16325273](https://www.wikidata.org/wiki/Q16325273)  
**Source**: https://4ort.xyz/entity/san-marco-4

## Summary
San Marco 4 was a spacecraft launched on February 18, 1974. It was carried into space by a Scout D-1 launch vehicle from the Broglio Space Centre. The spacecraft is officially cataloged with the COSPAR ID 1974-009A.

## Key Facts
- **Instance of:** Spacecraft
- **Launch Date:** February 18, 1974
- **Launch Site:** Broglio Space Centre
- **Launch Vehicle:** Scout D-1
- **COSPAR ID:** 1974-009A
- **Satellite Catalog Number (SCN):** 07154

## FAQs
### Q: When was San Marco 4 launched?
A: San Marco 4 was launched on February 18, 1974.

### Q: What rocket was used to launch San Marco 4?
A: San Marco 4 was launched aboard a Scout D-1 rocket.

### Q: Where was San Marco 4 launched from?
A: The launch took place at the Broglio Space Centre.

## Why It Matters
The launch of San Marco 4 is a documented event in the history of space exploration, representing a specific data point of space activity in 1974. Its formal cataloging with international identifiers like COSPAR ID 1974-009A and Satellite Catalog Number 07154 ensures its place in official space object registries. The tracking of such objects is essential for managing orbital traffic and maintaining a comprehensive census of artificial satellites. The use of an American Scout D-1 rocket for the launch from the Broglio Space Centre also highlights the international nature of space activities during that era. While its specific mission is not detailed in the provided source material, its launch and subsequent tracking are verifiable facts that contribute to the historical record of spaceflight.

## Notable For
- **Specific Launch Event:** The spacecraft is defined by its documented rocket launch on a specific date, February 18, 1974, from the Broglio Space Centre.
- **Unique Identifiers:** It is officially tracked and identified by the unique COSPAR ID 1974-009A and Satellite Catalog Number 07154.
- **Launch Vehicle:** Its launch was accomplished using a Scout D-1, an American space launch vehicle.

## Body
### Launch Details
San Marco 4's launch was a significant event recorded on February 18, 1974.
- **Launch Date:** 1974-02-18
- **Launch Site:** Broglio Space Centre
- **Launch Vehicle:** Scout D-1

### Identification and Tracking
Following its launch, the spacecraft was assigned standard international identifiers for tracking and cataloging purposes.
- **COSPAR ID:** 1974-009A
- **Satellite Catalog Number (SCN):** 07154
- **Wolfram Language Entity Code:** Entity["Satellite", "07154"]
- **Google Knowledge Graph ID:** /g/1q54w5l8w

### Classification
San Marco 4 is classified as a spacecraft, which is a vehicle or machine designed to fly in outer space.

## References

1. Jonathan's Space Report