Statements (24)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:satellite | 
| gptkbp:closestApproachDistance | 2200 km | 
| gptkbp:closestApproachToMars | 1974-02-10 | 
| gptkbp:communication | contact lost after flyby | 
| gptkbp:COSPAR_ID | 1973-047A | 
| gptkbp:duration | 205 days | 
| gptkbp:failedMissionObjective | Mars orbit insertion | 
| gptkbp:launchDate | 1973-07-21 | 
| gptkbp:launchSite | gptkb:Baikonur_Cosmodrome | 
| gptkbp:launchVehicle | gptkb:Proton-K/D | 
| gptkbp:manufacturer | gptkb:Lavochkin | 
| gptkbp:missionType | Mars flyby | 
| gptkbp:operator | gptkb:Soviet_Union | 
| gptkbp:payload | scientific instruments | 
| gptkbp:program | gptkb:Mars_program | 
| gptkbp:purpose | study Mars atmosphere and surface | 
| gptkbp:relatedTo | gptkb:Mars_5 gptkb:Mars_6 gptkb:Mars_7 | 
| gptkbp:SATCAT_number | 06729 | 
| gptkbp:status | mission failed to enter Mars orbit | 
| gptkbp:bfsParent | gptkb:Mars | 
| gptkbp:bfsLayer | 5 | 
| https://www.w3.org/2000/01/rdf-schema#label | Mars 4 |