# Liquidator

> proposed Russian spacecraft for removing defunct satellites from geostationary orbit

**Wikidata**: [Q97661703](https://www.wikidata.org/wiki/Q97661703)  
**Source**: https://4ort.xyz/entity/liquidator

## Summary
Liquidator is a proposed Russian spacecraft designed to remove defunct satellites from geostationary orbit. Its primary purpose is to mitigate space debris by deorbiting or relocating non-functional satellites. The project was developed by TsNIIMash and JSC Information Satellite Systems Reshetnev.

## Key Facts
- Instance of: Servicing spacecraft, proposed entity  
- Country of origin: Russia  
- Manufacturer(s): TsNIIMash, JSC Information Satellite Systems Reshetnev  
- Purpose: Removal of defunct satellites from geostationary orbit  
- Status: Proposed (not launched)  
- Related class: Servicing spacecraft  
- Headquarters of developer: Korolyov, Russia  
- Inception of TsNIIMash: 1946  
- Industry: Aerospace engineering, satellite research  
- Sitelink count: 1 (Wikipedia in Russian)

## FAQs

### Q: What is the Liquidator spacecraft?
A: Liquidator is a conceptual Russian spacecraft intended to remove inactive or defunct satellites from geostationary orbit to reduce space debris. It has not been built or launched.

### Q: Who developed the Liquidator?
A: The spacecraft was developed by TsNIIMash and JSC Information Satellite Systems Reshetnev, both prominent Russian aerospace organizations.

### Q: Why is Liquidator important?
A: Liquidator addresses the growing issue of space debris in geostationary orbit, which poses risks to operational satellites and future missions. It represents a proactive approach to orbital sustainability.

## Why It Matters
As the number of satellites in Earth's orbit increases, so does the risk posed by space debris. Defunct satellites in geostationary orbit can remain there indefinitely, posing collision risks and complicating orbital slot management. Liquidator is significant because it proposes a dedicated solution for actively removing these obsolete satellites. By doing so, it contributes to long-term orbital sustainability and safer space operations. Though still in the conceptual phase, the project reflects Russia’s engagement with global efforts to manage and reduce orbital debris, aligning with broader international initiatives aimed at preserving the space environment for future generations.

## Notable For
- First-of-its-kind mission concept from Russia focused specifically on satellite removal in GEO  
- Integration with existing Russian expertise in servicing spacecraft technology  
- Emphasis on addressing critical space sustainability challenges  
- Collaboration between two major Russian aerospace institutions: TsNIIMash and Reshetnev  
- Potential contribution to international orbital debris mitigation strategies  

## Body

### Overview
Liquidator is a proposed Russian spacecraft developed to service and remove defunct satellites from geostationary orbit (GEO). Unlike traditional servicing spacecraft that refuel or repair active satellites, Liquidator is uniquely tasked with deorbiting or relocating decommissioned satellites to prevent them from becoming hazardous space debris.

### Development and Designers
The development of Liquidator involves two key Russian institutions:
- **TsNIIMash**: A rocket and spacecraft scientific center founded in 1946, based in Korolyov, Moscow Oblast. TsNIIMash specializes in aerospace research and systems design.
- **JSC Information Satellite Systems Reshetnev**: A leading Russian satellite manufacturer known for producing civilian and military communication satellites.

Together, these organizations aim to create a spacecraft capable of autonomous rendezvous and capture of non-operational satellites in GEO.

### Mission Objective
The core objective of Liquidator is to:
- Identify and approach defunct satellites in geostationary orbit.
- Safely capture them using robotic arms or other mechanisms.
- Either deorbit the captured satellites into a graveyard orbit or guide them toward atmospheric reentry for safe disposal.

This mission profile differentiates Liquidator from conventional servicing vehicles, which typically assist functioning satellites rather than removing obsolete ones.

### Technical Status
As of now, Liquidator remains a proposed concept without confirmed launch plans. No flight hardware has been publicly announced, and no missions involving Liquidator have taken place. The project is part of ongoing discussions within the Russian space sector regarding orbital debris mitigation strategies.

### Strategic Importance
With increasing congestion in geostationary orbit due to decades of satellite deployment, Liquidator represents a forward-looking initiative to maintain orbital safety and compliance with international guidelines on space debris reduction. While still unlaunched, its development highlights Russia’s recognition of the need for active debris removal technologies.