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.

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Observed surface forms (3)

Surface form Occurrences
Space Surveillance Network 3
Department of Defense astronomical infrastructure 1
U.S. Space Surveillance Network 1

Statements (49)

Predicate Object
instanceOf United States military program ⓘ
space surveillance system ⓘ
administeredBy Space Delta 2 NERFINISHED ⓘ
alsoKnownAs SSN NERFINISHED ⓘ
US Space Surveillance Network NERFINISHED ⓘ
collects optical signature data ⓘ
orbital element data ⓘ
radar cross-section data ⓘ
country United States of America ⓘ
surface form: United States
dataSharedWith civil space agencies ⓘ
commercial satellite operators ⓘ
international partners ⓘ
dataUsedBy United States Space Command NERFINISHED ⓘ
United States Space Force Space Operations Command NERFINISHED ⓘ
United States Strategic Command NERFINISHED ⓘ
domain space operations ⓘ
hasComponent Cavalier radar site NERFINISHED ⓘ
Eglin radar site NERFINISHED ⓘ
Ground-based Electro-Optical Deep Space Surveillance system NERFINISHED ⓘ
Maui Space Surveillance Complex NERFINISHED ⓘ
Millstone Hill radar NERFINISHED ⓘ
Space Fence radar system NERFINISHED ⓘ
maintains space object catalog ⓘ
monitors Earth orbit ⓘ
artificial Earth satellites ⓘ
space debris ⓘ
spent rocket bodies ⓘ
operator United States Department of Defense NERFINISHED ⓘ
United States Space Force NERFINISHED ⓘ
originCountry United States of America NERFINISHED ⓘ
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 ⓘ

Referenced by (7)

Full triples — surface form annotated when it differs from this entity's canonical label.

PAVE PAWS radar site → partOf → United States Space Surveillance Network ⓘ
PAVE PAWS radar site → associatedWithProgram → United States Space Surveillance Network ⓘ
this entity surface form: Space Surveillance Network
ALTAIR radar → isPartOf → United States Space Surveillance Network ⓘ
this entity surface form: U.S. Space Surveillance Network
United States Naval Observatory Flagstaff Station → partOf → United States Space Surveillance Network ⓘ
this entity surface form: Department of Defense astronomical infrastructure
Sapphire (satellite) → contributesTo → United States Space Surveillance Network ⓘ
subject surface form: Sapphire
Joint Space Operations Center → usesSystem → United States Space Surveillance Network ⓘ
this entity surface form: Space Surveillance Network
Minitrack system → replacedBy → United States Space Surveillance Network ⓘ
this entity surface form: Space Surveillance Network