Long Duration Exposure Facility

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:satellite
gptkbp:COSPAR_ID	gptkb:1984-034B
gptkbp:countryOfOrigin	gptkb:United_States
gptkbp:diameter	4.3 m
gptkbp:duration	5 years, 8 months
gptkbp:launchDate	1984-04-06
gptkbp:launched	gptkb:Kennedy_Space_Center
gptkbp:launchVehicle	gptkb:Space_Shuttle_Challenger
gptkbp:length	9.1 m
gptkbp:manufacturer	gptkb:NASA_Langley_Research_Center
gptkbp:mass	9,700 kg
gptkbp:missionType	materials science space science
gptkbp:NORAD_ID	14840
gptkbp:notableMission	biological experiments study of cosmic dust electronics exposure exposure of materials to space study of micrometeoroid impacts
gptkbp:numberOfExperiments	57
gptkbp:operator	gptkb:NASA
gptkbp:orbitType	gptkb:Low_Earth_Orbit
gptkbp:purpose	study effects of long-term exposure to space environment
gptkbp:recoveryMethod	1990-01-11
gptkbp:recoveryVehicle	gptkb:Space_Shuttle_Columbia
gptkbp:restored	gptkb:STS-32_mission
gptkbp:status	recovered
gptkbp:website	https://www.nasa.gov/centers/langley/news/factsheets/LDEF.html
gptkbp:bfsParent	gptkb:LDE gptkb:LPDE
gptkbp:bfsLayer	7
https://www.w3.org/2000/01/rdf-schema#label	Long Duration Exposure Facility