# Cosmos 1646
**Wikidata**: [Q12753379](https://www.wikidata.org/wiki/Q12753379)  
**Source**: https://4ort.xyz/entity/cosmos-1646

## Summary
Cosmos 1646 was a Soviet military satellite launched on April 18, 1985, from the Baikonur Cosmodrome. It was part of the Kosmos series of Soviet and Russian military satellites and was launched using a Tsyklon-2 rocket. The satellite is identified by the COSPAR designation 1985-030A and the international designator 15653.

## Key Facts
- Launched on April 18, 1985, at 21:40:43 UTC from Baikonur Cosmodrome Site 90
- International designator: 15653
- COSPAR designation: 1985-030A
- Part of the Kosmos series of Soviet and Russian military satellites
- Launched using a Tsyklon-2 expendable launch vehicle
- Has sitelinks in Macedonian (mk), Serbo-Croatian (sh), and Serbian (sr) Wikipedia editions
- Classified as a Kosmos satellite in Wikidata
- Associated with a rocket launch event at Baikonur Cosmodrome

## FAQs
### Q: What was Cosmos 1646?
A: Cosmos 1646 was a Soviet military satellite launched on April 18, 1985, from the Baikonur Cosmodrome. It was part of the Kosmos series of military satellites and was launched using a Tsyklon-2 rocket.

### Q: When and where was Cosmos 1646 launched?
A: Cosmos 1646 was launched on April 18, 1985, at 21:40:43 UTC from Site 90 at the Baikonur Cosmodrome in Kazakhstan.

### Q: What type of satellite was Cosmos 1646?
A: Cosmos 1646 was a military satellite, part of the Kosmos series of Soviet and Russian military satellites. The specific mission or payload details are not publicly available due to its military nature.

## Why It Matters
Cosmos 1646 represents the ongoing Soviet military space program during the Cold War era, specifically the Kosmos series of satellites which were used for various military and intelligence purposes. The launch demonstrates the Soviet Union's continued capability to deploy military satellites using the Tsyklon-2 launch vehicle from their primary spaceport at Baikonur. While specific mission details remain classified, satellites in the Kosmos series typically served roles in reconnaissance, electronic intelligence gathering, or other military applications. The successful launch and operation of Cosmos 1646 contributed to the Soviet military's space-based capabilities during a critical period of technological competition with the West.

## Notable For
- Part of the extensive Kosmos series of Soviet military satellites
- Launched using the Tsyklon-2 rocket, a reliable Soviet/Ukrainian expendable launch vehicle
- Demonstrates continued Soviet military space operations in 1985
- Successfully launched from the strategically important Baikonur Cosmodrome
- Maintains presence in multiple Wikipedia language editions despite limited public information

## Body
### Launch Details
Cosmos 1646 was launched on April 18, 1985, at precisely 21:40:43 UTC. The launch took place from Site 90 at the Baikonur Cosmodrome, which has been the primary Soviet and Russian space launch facility since the beginning of the space age. The launch vehicle used was a Tsyklon-2, which is a Soviet/Ukrainian expendable launch system derived from the R-36 intercontinental ballistic missile.

### Satellite Classification
The satellite is classified as part of the Kosmos series, which encompasses a large number of Soviet and Russian military satellites. The Kosmos designation is used for a wide variety of satellite types, making it difficult to determine the specific mission of Cosmos 1646 without access to classified information. The satellite's international designator is 15653, and its COSPAR designation is 1985-030A, following standard satellite cataloging conventions.

### Documentation and References
The satellite's properties are documented in Wikidata with references to academic sources and satellite databases. The information about its launch date, launch site, and launch vehicle comes from verified sources, though specific mission details remain unavailable due to the military nature of the Kosmos program. The satellite has limited but notable presence across different Wikipedia language editions, suggesting some level of international interest in Soviet space activities.

## References

1. Jonathan's Space Report