High Energy Astronomy Observatory 1
                        
                            GPTKB entity
                        
                    
                Statements (30)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:satellite gptkb:astronomer | 
| gptkbp:alsoKnownAs | gptkb:HEAO-1 | 
| gptkbp:countryOfOrigin | gptkb:United_States | 
| gptkbp:decommissioned | 1979-01-09 | 
| gptkbp:diameter | 2.74 m | 
| gptkbp:followedBy | gptkb:HEAO-2 | 
| gptkbp:instrument | A1 X-ray instrument A2 X-ray instrument A3 X-ray instrument A4 gamma-ray instrument | 
| gptkbp:launchDate | 1977-08-12 | 
| gptkbp:launchVehicle | gptkb:Atlas-Centaur | 
| gptkbp:length | 7.62 m | 
| gptkbp:manufacturer | gptkb:TRW | 
| gptkbp:mass | 2700 kg | 
| gptkbp:missionType | gptkb:astronomy X-ray astronomy gamma-ray astronomy | 
| gptkbp:notableFinds | X-ray sources catalog gamma-ray sources catalog | 
| gptkbp:operator | gptkb:NASA | 
| gptkbp:orbitType | low Earth orbit | 
| gptkbp:partOf | gptkb:High_Energy_Astronomy_Observatory_program | 
| gptkbp:precededBy | none | 
| gptkbp:purpose | survey the sky for X-ray and gamma-ray sources | 
| gptkbp:reentryDate | 1979-03-15 | 
| gptkbp:bfsParent | gptkb:HEAO-1 | 
| gptkbp:bfsLayer | 7 | 
| https://www.w3.org/2000/01/rdf-schema#label | High Energy Astronomy Observatory 1 |