| gptkbp:instanceOf | gptkb:satellite 
 | 
                        
                            
                                | gptkbp:alsoKnownAs | gptkb:Kennan gptkb:Key_Hole
 Crystal
 
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                                | gptkbp:countryOfOrigin | gptkb:United_States 
 | 
                        
                            
                                | gptkbp:declassified | no 
 | 
                        
                            
                                | gptkbp:diameter | estimated 3 meters 
 | 
                        
                            
                                | gptkbp:launchDate | 1976 
 | 
                        
                            
                                | gptkbp:launchSite | gptkb:Vandenberg_Air_Force_Base 
 | 
                        
                            
                                | gptkbp:length | estimated 19.5 meters 
 | 
                        
                            
                                | gptkbp:manufacturer | gptkb:Lockheed 
 | 
                        
                            
                                | gptkbp:mass | estimated 13,000 kg 
 | 
                        
                            
                                | gptkbp:notableFeature | real-time image transmission first US spy satellite to use electro-optical digital imaging
 
 | 
                        
                            
                                | gptkbp:numberLaunched | at least 16 
 | 
                        
                            
                                | gptkbp:operator | gptkb:National_Reconnaissance_Office gptkb:United_States
 
 | 
                        
                            
                                | gptkbp:orbitType | gptkb:Low_Earth_Orbit 
 | 
                        
                            
                                | gptkbp:predecessor | gptkb:KH-9_Hexagon 
 | 
                        
                            
                                | gptkbp:primaryUser | gptkb:Central_Intelligence_Agency gptkb:Department_of_Defense
 
 | 
                        
                            
                                | gptkbp:purpose | optical reconnaissance 
 | 
                        
                            
                                | gptkbp:relatedTo | gptkb:Hubble_Space_Telescope 
 | 
                        
                            
                                | gptkbp:resolution | estimated 10 cm or better 
 | 
                        
                            
                                | gptkbp:signature | electro-optical 
 | 
                        
                            
                                | gptkbp:status | active 
 | 
                        
                            
                                | gptkbp:successor | KH-12 
 | 
                        
                            
                                | gptkbp:usedFor | military intelligence surveillance
 photoreconnaissance
 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:KH-13_(proposed) 
 | 
                        
                            
                                | gptkbp:bfsLayer | 7 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | KH-11 satellite 
 |