|
gptkbp:instance_of
|
gptkb:observatory
|
|
gptkbp:available_sizes
|
a few meters to several kilometers
|
|
gptkbp:collaborations
|
international space agencies
|
|
gptkbp:collection
|
ground-based observations
space-based observations
|
|
gptkbp:community_engagement
|
high
|
|
gptkbp:composed_of
|
rocky or metallic
|
|
gptkbp:discovered_by
|
1950s
various astronomers
|
|
gptkbp:elevation
|
gptkb:launch_complex
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Near-Earth Asteroids
|
|
gptkbp:impact
|
gptkb:Chelyabinsk_meteor
gptkb:Tunguska_event
research ongoing
once every few hundred thousand years
|
|
gptkbp:includes
|
gptkb:Bennu
gptkb:Itokawa
gptkb:Apophis
|
|
gptkbp:is_explored_in
|
gptkb:robotic_missions
human missions
|
|
gptkbp:is_monitored_by
|
gptkb:ESA
gptkb:NASA
|
|
gptkbp:is_observed_in
|
gptkb:radar_system
telescopes
|
|
gptkbp:is_open_to
|
frequent
|
|
gptkbp:is_studied_in
|
planetary defense
|
|
gptkbp:mechanics
|
rare but possible
|
|
gptkbp:mission
|
gptkb:the_Sun
gptkb:NEOWISE
gptkb:Near-Earth_Object_Observations
gptkb:Hayabusa2
OSIRIS-R Ex
|
|
gptkbp:natural_resources
|
metals
minerals
water ice
|
|
gptkbp:number_of_pieces
|
over 25,000
|
|
gptkbp:orbital_period
|
elliptical orbits
|
|
gptkbp:public_awareness
|
increased due to media
|
|
gptkbp:research
|
ongoing
|
|
gptkbp:research_focus
|
impact risk assessment
|
|
gptkbp:research_interest
|
gptkb:resource_utilization
planetary geology
origin of the solar system
|
|
gptkbp:safety_features
|
gptkb:theorem
|
|
gptkbp:scientific_classification
|
gptkb:NEO
|
|
gptkbp:size
|
gptkb:tank
large
small
|
|
gptkbp:technique
|
gravity tractor
nuclear explosion
kinetic impactor
|
|
gptkbp:threats
|
gptkb:physicist
monitored regularly
|
|
gptkbp:universe
|
regulations apply
|
|
gptkbp:bfsParent
|
gptkb:Didymos
|
|
gptkbp:bfsLayer
|
5
|