NASA Planetary Defense Coordination Office

E410428

NASA office government organization planetary defense organization

The NASA Planetary Defense Coordination Office is the agency’s lead organization for detecting, tracking, and coordinating responses to potentially hazardous near-Earth objects to protect Earth from asteroid and comet impact threats.

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All labels observed (3)

Label	Occurrences
NASA Planetary Defense Coordination Office canonical	5
NASA Planetary Defense program	1
Planetary Defense Coordination Office (fictionalized)	1

How this entity was disambiguated

This entity first appeared as the object of triple T4065219 — 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: NASA Planetary Defense Coordination Office
Context triple: [NEOWISE mission, supportsProgram, NASA Planetary Defense Coordination Office]

A. NASA Planetary Science Division
The NASA Planetary Science Division is the branch of NASA responsible for planning and conducting robotic exploration and scientific study of planets, moons, and other bodies in our solar system and beyond.
B. NASA Science Mission Directorate
The NASA Science Mission Directorate is the division of NASA responsible for planning and overseeing the agency’s science programs and missions that explore Earth, the solar system, and the universe.
C. Space Science Center
The Space Science Center is a research and education facility at Morehead State University focused on space science, astrophysics, and satellite technologies.
D. Space Coordination Office
The Space Coordination Office was an Australian government body responsible for coordinating national civil space policy and activities prior to the establishment of the Australian Space Agency.
E. Spacewatch
Spacewatch is an astronomical survey program at the University of Arizona that uses telescopes on Kitt Peak to discover and study minor planets, comets, and other small bodies in the Solar System.
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: NASA Planetary Defense Coordination Office
Target entity description: The NASA Planetary Defense Coordination Office is the agency’s lead organization for detecting, tracking, and coordinating responses to potentially hazardous near-Earth objects to protect Earth from asteroid and comet impact threats.

A. NASA Planetary Science Division
The NASA Planetary Science Division is the branch of NASA responsible for planning and conducting robotic exploration and scientific study of planets, moons, and other bodies in our solar system and beyond.
B. NASA Science Mission Directorate
The NASA Science Mission Directorate is the division of NASA responsible for planning and overseeing the agency’s science programs and missions that explore Earth, the solar system, and the universe.
C. Space Science Center
The Space Science Center is a research and education facility at Morehead State University focused on space science, astrophysics, and satellite technologies.
D. Space Coordination Office
The Space Coordination Office was an Australian government body responsible for coordinating national civil space policy and activities prior to the establishment of the Australian Space Agency.
E. Spacewatch
Spacewatch is an astronomical survey program at the University of Arizona that uses telescopes on Kitt Peak to discover and study minor planets, comets, and other small bodies in the Solar System.
F. None of above. chosen

Statements (48)

Predicate	Object
instanceOf	NASA office ⓘ government organization ⓘ planetary defense organization ⓘ
coordinatesWith	Federal Emergency Management Agency ⓘ International Asteroid Warning Network ⓘ Space Mission Planning Advisory Group ⓘ Department of Defense ⓘ surface form: U.S. Department of Defense United States Department of State ⓘ surface form: U.S. Department of State
country	United States of America ⓘ surface form: United States
fieldOfWork	asteroid impact risk assessment ⓘ comet impact risk assessment ⓘ impact hazard mitigation ⓘ near-Earth object detection ⓘ planetary defense ⓘ space situational awareness ⓘ
focusesOn	near-Earth objects larger than 140 meters in diameter ⓘ potentially hazardous asteroids ⓘ potentially hazardous comets ⓘ
hasMission	characterize potentially hazardous near-Earth objects ⓘ coordinate U.S. government planning for planetary defense ⓘ coordinate international planetary defense efforts ⓘ detect potentially hazardous near-Earth objects ⓘ develop strategies to mitigate asteroid and comet impact threats ⓘ provide timely and accurate information about impact threats to decision makers ⓘ support emergency preparedness and response planning for impact scenarios ⓘ support research and technology development for planetary defense ⓘ track potentially hazardous near-Earth objects ⓘ
headquartersLocation	Washington, D.C. ⓘ
inception	2016 ⓘ
languageOfWorkOrName	English ⓘ
locatedInTheAdministrativeTerritorialEntity	District of Columbia ⓘ
locatedInTimeZone	Eastern Time Zone ⓘ
mandate	protect Earth from asteroid and comet impact threats ⓘ
notableWork	DART spacecraft ⓘ surface form: Double Asteroid Redirection Test
oversees	NASA planetary defense projects ⓘ impact risk assessment activities ⓘ near-Earth object observation programs ⓘ planetary defense technology demonstration missions ⓘ
parentOrganization	NASA ⓘ
partOf	NASA Planetary Science Division ⓘ NASA Science Mission Directorate ⓘ
responsibleFor	coordinating impact disaster response exercises ⓘ developing impact scenario simulations ⓘ issuing notifications of significant impact threats ⓘ maintaining a catalog of near-Earth objects ⓘ
uses	ground-based telescopes for NEO detection ⓘ space-based telescopes for NEO detection ⓘ
website	https://www.nasa.gov/planetarydefense ⓘ

How these facts were elicited

Referenced by (7)

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

NEOWISE mission → supportsProgram → NASA Planetary Defense Coordination Office ⓘ

Kate Dibiasky → associatedWith → NASA Planetary Defense Coordination Office ⓘ

this entity surface form: Planetary Defense Coordination Office (fictionalized)

DART spacecraft → operator → NASA Planetary Defense Coordination Office ⓘ

DART spacecraft → program → NASA Planetary Defense Coordination Office ⓘ

this entity surface form: NASA Planetary Defense program

NASA Near-Earth Object Observations Program → parentOrganization → NASA Planetary Defense Coordination Office ⓘ

NASA Near-Earth Object Observations Program → supports → NASA Planetary Defense Coordination Office ⓘ

NASA Near-Earth Object Observations Program → managedBy → NASA Planetary Defense Coordination Office ⓘ

All labels observed (3)

How this entity was disambiguated Show

Statements (48)

How these facts were elicited Show

Referenced by (7)

How this entity was disambiguated

How these facts were elicited