United States Space Surveillance Network

E672633

United States military program space surveillance system

The United States Space Surveillance Network is a U.S. military-operated system of ground- and space-based sensors that tracks and catalogs artificial objects in Earth orbit to support space situational awareness and national security.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (10)

Label	Occurrences
United States Space Surveillance Network canonical	4
Space Surveillance Network	3
Department of Defense astronomical infrastructure	1
Ground-based Electro-Optical Deep Space Surveillance system	1
U.S. Space Surveillance Network	1
U.S. space surveillance network	1
US Space Surveillance Network	1
United States Space Force space domain awareness enterprise	1
United States integrated space defense network	1
United States space surveillance network	1

How this entity was disambiguated

This entity first appeared as the object of triple T7557351 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: United States Space Surveillance Network
Context triple: [PAVE PAWS radar site, partOf, United States Space Surveillance Network]

A. Air Force Satellite Control Network
The Air Force Satellite Control Network is a global system of ground stations and facilities that provides command, control, and communications for U.S. military and national security satellites.
B. Space Fence space surveillance system
The Space Fence space surveillance system is a U.S. Air Force-operated, Lockheed Martin–built radar network designed to track and catalog objects in Earth orbit with unprecedented precision.
C. Joint Space Operations Center
The Joint Space Operations Center is a U.S. military command facility responsible for tracking objects in space and coordinating space operations to ensure space situational awareness and mission support.
D. Space-Based Infrared System
The Space-Based Infrared System (SBIRS) is a U.S. military satellite constellation designed to provide global missile launch detection, missile defense support, and strategic infrared surveillance.
E. Diego Garcia Tracking Station
Diego Garcia Tracking Station is a U.S. military satellite tracking and communications facility located on Diego Garcia in the Indian Ocean, supporting space operations and satellite control.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: United States Space Surveillance Network
Target entity description: The United States Space Surveillance Network is a U.S. military-operated system of ground- and space-based sensors that tracks and catalogs artificial objects in Earth orbit to support space situational awareness and national security.

A. Air Force Satellite Control Network
The Air Force Satellite Control Network is a global system of ground stations and facilities that provides command, control, and communications for U.S. military and national security satellites.
B. Space Fence space surveillance system
The Space Fence space surveillance system is a U.S. Air Force-operated, Lockheed Martin–built radar network designed to track and catalog objects in Earth orbit with unprecedented precision.
C. Joint Space Operations Center
The Joint Space Operations Center is a U.S. military command facility responsible for tracking objects in space and coordinating space operations to ensure space situational awareness and mission support.
D. Space-Based Infrared System
The Space-Based Infrared System (SBIRS) is a U.S. military satellite constellation designed to provide global missile launch detection, missile defense support, and strategic infrared surveillance.
E. Diego Garcia Tracking Station
Diego Garcia Tracking Station is a U.S. military satellite tracking and communications facility located on Diego Garcia in the Indian Ocean, supporting space operations and satellite control.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	United States military program ⓘ space surveillance system ⓘ
administeredBy	Space Delta 2 ⓘ
alsoKnownAs	SSN ⓘ US Space Surveillance Network ⓘ linked to: United States Space Surveillance Network
collects	optical signature data ⓘ orbital element data ⓘ radar cross-section data ⓘ
country	United States ⓘ linked to: United States of America
dataSharedWith	civil space agencies ⓘ commercial satellite operators ⓘ international partners ⓘ
dataUsedBy	United States Space Command ⓘ linked to: U.S. Space Command United States Space Force Space Operations Command ⓘ linked to: Space Operations Command United States Strategic Command ⓘ linked to: U.S. Strategic Command
domain	space operations ⓘ
hasComponent	Cavalier radar site ⓘ linked to: PAVE PAWS radar site Eglin radar site ⓘ linked to: Eglin Air Force Base Ground-based Electro-Optical Deep Space Surveillance system ⓘ linked to: United States Space Surveillance Network Maui Space Surveillance Complex ⓘ linked to: Haleakalā Observatory Millstone Hill radar ⓘ Space Fence radar system ⓘ linked to: Space Fence space surveillance system
maintains	space object catalog ⓘ
monitors	Earth orbit ⓘ artificial Earth satellites ⓘ space debris ⓘ spent rocket bodies ⓘ
operator	United States Department of Defense ⓘ linked to: Department of Defense United States Space Force ⓘ
originCountry	United States of America ⓘ
partOf	United States space situational awareness architecture ⓘ
purpose	maintaining a catalog of space objects ⓘ national security ⓘ space situational awareness ⓘ tracking artificial objects in Earth orbit ⓘ
sector	defense ⓘ
supports	collision avoidance ⓘ missile warning and defense missions ⓘ satellite conjunction assessment ⓘ space traffic management activities ⓘ
supportsProduct	Two-Line Element sets ⓘ conjunction data messages ⓘ
tracksOrbitRegime	geosynchronous orbit ⓘ highly elliptical orbit ⓘ low Earth orbit ⓘ medium Earth orbit ⓘ
usesSensorType	ground-based optical telescope ⓘ ground-based radar ⓘ space-based sensor ⓘ

How these facts were elicited