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gptkbp:instanceOf
|
gptkb:satellite
|
|
gptkbp:apogee
|
5633 km
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|
gptkbp:countryOfOrigin
|
gptkb:United_States
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|
gptkbp:decommissioned
|
1963-02-21
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|
gptkbp:diameter
|
88 cm
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|
https://www.w3.org/2000/01/rdf-schema#label
|
Telstar 1 satellite
|
|
gptkbp:inclination
|
44.8 degrees
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gptkbp:launchDate
|
1962-07-10
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gptkbp:launchSite
|
gptkb:Cape_Canaveral_LC-17B
|
|
gptkbp:launchVehicle
|
gptkb:Thor-Delta
|
|
gptkbp:manufacturer
|
gptkb:Bell_Telephone_Laboratories
|
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gptkbp:mass
|
77 kg
|
|
gptkbp:missionType
|
communications
|
|
gptkbp:notableAchievement
|
first live transatlantic television feed
first satellite to relay television signals
first satellite to relay telephone calls
|
|
gptkbp:operator
|
gptkb:AT&T
|
|
gptkbp:orbitType
|
gptkb:Low_Earth_Orbit
157 minutes
|
|
gptkbp:perihelion
|
952 km
|
|
gptkbp:powerSource
|
solar cells
|
|
gptkbp:purpose
|
fax transmission
telephone transmission
transatlantic television transmission
|
|
gptkbp:reasonForDeactivation
|
radiation damage from Starfish Prime nuclear test
|
|
gptkbp:relatedTo
|
gptkb:Telstar_2_satellite
|
|
gptkbp:shape
|
spherical
|
|
gptkbp:status
|
inactive
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|
gptkbp:bfsParent
|
gptkb:Starfish_Prime
|
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gptkbp:bfsLayer
|
7
|