Soyuz 21

GPTKB entity

Statements (54)
Predicate Object
gptkbp:instanceOf gptkb:spacecraft
gptkbp:caseOutcome successful
gptkbp:communicationEquipment VHF radio
gptkbp:crew gptkb:Valery_Ryumin
gptkb:Viktor_Patsayev
constant
extensive
continuous
commander
flight engineer
gptkbp:crewCapacity Russian
Soviet
gptkbp:crewSize 2
gptkbp:debutYear 1976
gptkbp:floors 15 days 16 hours 32 minutes
gptkbp:gameFeatures 250 km
gptkbp:historicalSignificance part_of_the_Soviet_space_program.
https://www.w3.org/2000/01/rdf-schema#label Soyuz 21
gptkbp:internationalCooperation gptkb:Soviet_Union
gptkbp:landingGear gptkb:Kazakhstan
gptkbp:launchDate 1976-07-15
10:00 UTC
gptkbp:launched successful
gptkbp:launchSite Baikonur Cosmodrome
gptkbp:launchVehicle gptkb:Soyuz-U
retired
gptkbp:manufacturer gptkb:OKB-1
gptkbp:mayHave 200 km
gptkbp:mission gptkb:Soyuz
modular
decommissioned
propulsion system
navigation system
manned
7,200 kg
reentry capsule
thermal control system
life support system
low_Earth_orbit
gptkbp:missions gptkb:Moscow
15 days
scientific research
successful
gptkbp:missionsConducted gptkb:Soyuz_21_patch
gptkbp:orbitalInclination 51.6 degrees
gptkbp:predecessor gptkb:Soyuz_20
gptkbp:renovated gptkb:Kazakhstan
10:32 UTC
gptkbp:scientificName biological experiments
geophysical experiments
technological experiments
gptkbp:significance first long-duration mission for the Soyuz program.
gptkbp:successor gptkb:Soyuz_22
gptkbp:yearEstablished 1976-07-30