Hughes Syncom communications satellites
E455438
The Hughes Syncom communications satellites were pioneering early geosynchronous communications satellites developed by Hughes Aircraft Company that helped demonstrate and establish the feasibility of global satellite communications.
Observed surface forms (4)
| Surface form | Occurrences |
|---|---|
| Syncom IV-2 (Leasat 2) communications satellite | 1 |
| Syncom 2 | 0 |
| Syncom 3 | 0 |
| Syncom 1 | 0 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
communications satellite
ⓘ
communications satellite ⓘ communications satellite ⓘ communications satellite series ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| developer | Hughes Aircraft Company NERFINISHED ⓘ |
| failureCause | electronics failure ⓘ |
| firstLaunchDate | 1963 ⓘ |
| heritage |
foundation for commercial comsat industry
ⓘ
precursor to Intelsat satellites ⓘ |
| impact |
demonstrated feasibility of global satellite communications
ⓘ
influenced design of later commercial comsats ⓘ |
| inclination | 33 degrees ⓘ |
| launchDate |
1963-02-14
ⓘ
1963-07-26 ⓘ 1964-08-19 ⓘ |
| launchSite | Cape Canaveral NERFINISHED ⓘ |
| launchVehicle | Delta rocket NERFINISHED ⓘ |
| longitude | 180 degrees west ⓘ |
| manufacturer | Hughes Aircraft Company NERFINISHED ⓘ |
| mass | approximately 39 kilograms (per satellite) ⓘ |
| member |
Syncom 1
NERFINISHED
ⓘ
Syncom 2 NERFINISHED ⓘ Syncom 3 NERFINISHED ⓘ |
| notableFor |
first successful geosynchronous communications satellite
ⓘ
pioneering commercial satellite communications ⓘ |
| numberOfSpacecraft | 3 ⓘ |
| operator | NASA ⓘ |
| orbitType |
geostationary orbit
ⓘ
geosynchronous orbit ⓘ near-geostationary orbit ⓘ near-geosynchronous orbit ⓘ |
| powerSource |
batteries
ⓘ
solar cells ⓘ |
| programStart | early 1960s ⓘ |
| purpose |
demonstration of global satellite communications
ⓘ
experimental communications ⓘ |
| shape | cylindrical ⓘ |
| spacecraftType | geosynchronous communications satellite ⓘ |
| stabilization | spin-stabilized ⓘ |
| status | lost in orbit ⓘ |
| technologyDemonstrated |
geosynchronous station-keeping
ⓘ
three-axis spin-stabilization ⓘ |
| usedFor |
1964 Tokyo Olympics television coverage
ⓘ
live television relay ⓘ military communications tests ⓘ voice and teletype relay ⓘ |
| usedFrequencyBand |
C-band
ⓘ
microwave band ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.