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Potentially hazardous object

A potentially hazardous object (PHO) is a near-Earth object – either an asteroid or a comet – with an orbit that can make close approaches to the Earth and which is large enough to cause significant regional damage in the event of impact. They are conventionally defined as having a minimum orbit intersection distance with Earth of less than 0.05…

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Overview

Near-Earth objectAsteroidCometsOrbitEarth
41 related topics

Largest PHAs

Mean diameter(53319) 1999 JM8
2 related topics

Gallery

(308635) 2005 YU55
1 related topics

Minor Planet Center

YouTube
1 related topics

Topics to explore

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Overview

Largest PHAs

Gallery

Minor Planet Center

Advanced semantic analysis

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Map overview Semantic statistics

Potentially hazardous object

Nodes50
Edges49
Triples7
Avg. degree1.96
Density0.04
Components1

How this topic connects Entity context

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Potentially hazardous object

Top relations

related to Largest PHAs · 4
Potentially hazardous object → Apollo, JM8, They, With

Important terminology Word statistics

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Important terminology

potentially hazardous asteroids years known phas orbit earth objects magnitude asteroid absolute next size impact threat table nasa diameter object

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Lincoln Near-Earth Asteroid Researchinstance ofThis is a reflection of the dynamic character of the Solar System.Several astronomical survey projects0.80text
Catalina Sky Surveyinstance ofThis is a reflection of the dynamic character of the Solar System.Several astronomical survey projects0.80text
Pan-STARRS continue to search for more PHOsinstance ofThis is a reflection of the dynamic character of the Solar System.Several astronomical survey projects0.80text
Potentially hazardous objectrelated to Largest PHAsWith0.60section
Potentially hazardous objectrelated to Largest PHAsApollo0.60section
Potentially hazardous objectrelated to Largest PHAsJM80.60section
Potentially hazardous objectrelated to Largest PHAsThey0.60section

Related concept clusters Concept neighborhoods

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    Min side: 3
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