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
|