| gptkbp:instanceOf | gptkb:piston_engine 
 | 
                        
                            
                                | gptkbp:application | air launch to orbit 
 | 
                        
                            
                                | gptkbp:book | Orion 50 
 | 
                        
                            
                                | gptkbp:countryOfOrigin | gptkb:United_States 
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                                | gptkbp:diameter | 1.27 m 
 | 
                        
                            
                                | gptkbp:firstFlight | 1990-04-05 
 | 
                        
                            
                                | gptkbp:firstOrbitalLaunch | gptkb:Pegasus_(original) 
 | 
                        
                            
                                | gptkbp:launchSite | air-launched from aircraft 
 | 
                        
                            
                                | gptkbp:launchVehicle | gptkb:satellite gptkb:air-launched_rocket
 
 | 
                        
                            
                                | gptkbp:length | 16.9 m (Pegasus XL) 
 | 
                        
                            
                                | gptkbp:manufacturer | gptkb:Orbital_Sciences_Corporation 
 | 
                        
                            
                                | gptkbp:mass | 23,130 kg (Pegasus XL) 
 | 
                        
                            
                                | gptkbp:notableMission | gptkb:HETE-2 gptkb:IRIS
 gptkb:NuSTAR
 AeroCube
 
 | 
                        
                            
                                | gptkbp:notableVariant | gptkb:Pegasus-H gptkb:Pegasus_XL
 Pegasus-FT
 
 | 
                        
                            
                                | gptkbp:numberOfStages | 3 Orion 50S
 
 | 
                        
                            
                                | gptkbp:operator | gptkb:Northrop_Grumman_Innovation_Systems 
 | 
                        
                            
                                | gptkbp:payloadToLEO | 443 kg 
 | 
                        
                            
                                | gptkbp:platform | Lockheed L-1011 Stargazer 
 | 
                        
                            
                                | gptkbp:propulsion | solid fuel 
 | 
                        
                            
                                | gptkbp:status | active 
 | 
                        
                            
                                | gptkbp:thirdStageEngine | gptkb:Orion_38 
 | 
                        
                            
                                | gptkbp:usedFor | launching small satellites 
 | 
                        
                            
                                | gptkbp:website | https://www.northropgrumman.com/space/pegasus-rocket/ 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:Taurus_rocket 
 | 
                        
                            
                                | gptkbp:bfsLayer | 7 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | Pegasus rocket family 
 |