# Kosmos-999
**Wikidata**: [Q12754106](https://www.wikidata.org/wiki/Q12754106)  
**Source**: https://4ort.xyz/entity/kosmos-999

## Summary
Kosmos-999 is a Soviet satellite launched on March 30, 1978, as part of the Zenit-4MKM class of spacecraft. It was deployed from the Baikonur Cosmodrome using a Soyuz-U launch vehicle and is tracked under the international designator 1978-033A.

## Key Facts
- **Launch Date:** March 30, 1978
- **Classification:** Zenit-4MKM
- **Launch Vehicle:** Soyuz-U (Soyuz rocket design variant - Universal)
- **Launch Site:** Baikonur Cosmodrome Site 31
- **Country of Origin:** Soviet Union
- **Satellite Catalog Number (SCN):** 10773
- **COSPAR ID:** 1978-033A
- **Launch Time:** 07:50:00
- **Aliases:** Kosmos 999

## FAQs
### Q: What type of spacecraft is Kosmos-999?
A: Kosmos-999 is an instance of the Zenit-4MKM class of satellites. It was a Soviet spacecraft launched during the late 1970s as part of the extensive Kosmos program.

### Q: When and where was Kosmos-999 launched?
A: The satellite was launched on March 30, 1978, at 07:50:00. The launch took place from Site 31 at the Baikonur Cosmodrome in the Soviet Union.

### Q: Which rocket was used to carry Kosmos-999 into orbit?
A: Kosmos-999 was launched using a Soyuz-U rocket. The Soyuz-U is a specific "Universal" design variant of the Soyuz rocket family.

## Why It Matters
Kosmos-999 represents a specific operational point in the Soviet Union's space program during the late 1970s. As an instance of the Zenit-4MKM class, it was part of a broader lineage of Soviet satellite technology deployed for orbital missions. Its launch on March 30, 1978, utilized the Soyuz-U rocket, which is a "Universal" design variant of the Soyuz rocket family. This launch from Baikonur Cosmodrome Site 31 highlights the operational capabilities and the standardized use of the Soyuz-U platform within the Soviet space infrastructure at the time. 

The satellite is officially tracked under the Satellite Catalog Number 10773 and COSPAR ID 1978-033A. While specific mission objectives are not detailed in the provided records, its classification within the Zenit-4MKM series and its use of the Soyuz-U launch vehicle place it within a significant era of Soviet aerospace history. The Soyuz-U remains a notable rocket design variant with a high number of sitelinks in historical databases, indicating its importance as a reliable launch platform. Kosmos-999 serves as a documented entry in the historical record of Soviet orbital activity, maintained in multiple languages including Macedonian, Serbo-Croatian, and Serbian.

## Notable For
- **Technical Class:** It is a member of the Zenit-4MKM class of Soviet satellites.
- **Launch Platform:** It utilized the Soyuz-U "Universal" rocket variant for its deployment into orbit.
- **Historical Context:** Launched from the historic Baikonur Cosmodrome Site 31 during the Soviet era.
- **Identification:** Recognized by the international COSPAR ID 1978-033A and the Wolfram Language entity code Entity["Satellite", "10773"].

## Body

### Launch and Deployment
Kosmos-999 was launched on March 30, 1978. The significant event of the rocket launch occurred at 07:50:00. The mission originated from the Baikonur Cosmodrome, specifically utilizing Site 31. The spacecraft was successfully placed into orbit as part of the Soviet Union's ongoing space operations.

### Technical Specifications and Classification
The spacecraft is categorized as an instance of the Zenit-4MKM class. The launch vehicle employed for this mission was the Soyuz-U, which is identified as a "Universal" variant of the Soyuz rocket design. This rocket variant is associated with the Soviet Union and is noted for its widespread use in the country's space program.

### Identification and Tracking Data
In international tracking systems, Kosmos-999 is assigned the COSPAR ID 1978-033A. It is also listed in the Satellite Catalog under the number 10773. Within the Wolfram Language, it is identified by the entity code Entity["Satellite", "10773"]. The satellite is also known by the alias "Kosmos 999."

### Documentation and Language Presence
Information regarding Kosmos-999 is maintained across several languages on Wikipedia, including:
- Macedonian (mk)
- Serbo-Croatian (sh)
- Serbian (sr)

The entity has a sitelink count of 3, reflecting its presence in these specific linguistic records.

## References

1. Jonathan's Space Report