LDEF

GPTKB entity

Statements (112)
Predicate Object
gptkbp:instance_of gptkb:satellite
gptkbp:affiliated_with gptkb:Department_of_Defense
gptkb:European_Space_Agency
gptkb:NASA_Langley_Research_Center
gptkb:NASA_Ames_Research_Center
gptkb:NASA_Johnson_Space_Center
gptkb:National_Aeronautics_and_Space_Administration
gptkbp:analysis post-mission analysis
gptkbp:budget $100 million
gptkbp:collaboration gptkb:international_partners
gptkbp:community widely recognized
gptkbp:data_return scientific data
over 200 experiments
gptkbp:decommissioned gptkb:1990
gptkbp:design modular
gptkbp:dimensions 3.6 m x 3.6 m x 1.5 m
gptkbp:field_of_study materials science
space technology
radiation effects
biological science
gptkbp:funding NASA budget
gptkbp:has_programs Long Duration Exposure Facility program
https://www.w3.org/2000/01/rdf-schema#label LDEF
gptkbp:impact advancements in materials science
understanding of space radiation
engineering improvements
biological effects of space environment
gptkbp:launch_date 1984-04-06
1984-01-07
gptkbp:launch_site gptkb:Kennedy_Space_Center
gptkbp:launch_vehicle gptkb:Space_Shuttle_Challenger
gptkb:Space_Shuttle
gptkbp:launched gptkb:NASA
gptkbp:legacy paved the way for future missions
gptkbp:location Earth's orbit
gptkbp:manufacturer gptkb:NASA
gptkbp:mass 3000 kg
gptkbp:mission gptkb:STS-48
gptkb:STS-32
deorbited
gptkbp:mission_duration 5 years
gptkbp:mission_type gptkb:scientific_research
gptkbp:number_of_experiments 57
more than 57
gptkbp:objective study effects of long-term exposure to space environment
long-duration exposure experiments
gptkbp:operational_period 5.5 years
gptkbp:operational_status decommissioned
gptkbp:orbit_type low Earth orbit
gptkbp:orbital_altitude 300 km
gptkbp:orbital_inclination 57 degrees
gptkbp:orbital_period 90 minutes
gptkbp:public_interest high
gptkbp:purpose gptkb:Long_Duration_Exposure_Facility
gptkbp:research materials science
mechanical properties of materials
mechanical systems
thermal insulation materials
metal corrosion
optical experiments
biological experiments
chemical experiments
space weather studies
polymer degradation
solar cell performance
space environment effects
biological research in space
optical properties of materials
spacecraft design improvements
long-term exposure effects
electrical experiments
radiation effects on electronics
radiation shielding materials
environmental monitoring in space
biological effects of space radiation
biological samples exposure
biomaterials exposure
chemical stability studies
composite materials testing
dust collection
electronic components testing
environmental effects on materials
impact resistance testing
long-term biological effects
material aging studies
material performance in vacuum
materials degradation
mechanical fatigue studies
micrometeoroid impacts
optical coatings testing
outgassing studies
photovoltaic cell testing
radiation dosimetry
radiation monitoring experiments
space debris interaction studies
spacecraft charging
spacecraft component testing
spacecraft materials evaluation
spacecraft operational reliability
spacecraft technology validation
thermal control materials
thermal cycling effects
gptkbp:resting_place gptkb:Pacific_Ocean
gptkbp:scientific_instruments radiation detectors
gptkbp:significance first long-duration exposure facility
gptkbp:speed 1999-01-04
1990-01-12
controlled reentry
gptkbp:successor gptkb:ISS
gptkbp:weight 4,500 kg
gptkbp:bfsParent gptkb:Gare_de_La_Défense
gptkbp:bfsLayer 6