Engineering:Intelsat III F-6

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Short description: Communications satellite
Intelsat III F-6
Mission typeCommunications
OperatorIntelsat
COSPAR ID1970-003A
SATCAT no.04297
Mission duration5 years (planned)
Spacecraft properties
ManufacturerTRW Inc.
Launch mass293 kilograms (646 lb)
BOL mass151 kilograms (333 lb)
Power183 W
Start of mission
Launch dateJanuary 15, 1970, 00:16:03 (1970-01-15UTC00:16:03Z) UTC[1]
RocketDelta M
Launch siteCape Canaveral Air Force Station LC-17A
Orbital parameters
Reference systemGeocentric[2]
RegimeGeostationary[2]
Eccentricity0.00033[2]
Perigee altitude35,773 kilometers (22,228 mi)[2]
Apogee altitude35,801 kilometers (22,246 mi)[2]
Inclination0.9°[2]
Period1,436.1 minutes[2]
EpochJanuary 15, 1970[2]
Intelsat III
 

Intelsat III F-6 was a communications satellite owned by Intelsat. The satellite had an estimated useful life of 5 years.

Design

The sixth of eight Intelsat III satellites to be launched, Intelsat III F-6 was built by TRW. It was a 293-kilogram (646 lb) spacecraft equipped with two transponders to be powered by body-mounted solar cells generating 183 watts of power.[3] It had a design life of five years and carried an SVM-2 apogee motor for propulsion.[4]

Launch

Intelsat III F-6 was launched on a Delta M rocket, flying from Launch Complex 17A at the Cape Canaveral Air Force Station . The launch took place on January 15, 1970, with the spacecraft bound for a geosynchronous transfer orbit.[1]

See also

  • 1970 in spaceflight

References

  1. ↑ 1.0 1.1 McDowell, Jonathan. "Launch Log". Jonathan's Space Page. http://planet4589.org/space/log/launchlog.txt. 
  2. ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 NASA, Goddard Space Flight Center. "INTELSAT 3 F-6". NSSDC Master Catalog. https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1970-003A. 
  3. ↑ Wade, Mark. "Intelsat 3". Encyclopedia Astronautica. http://www.astronautix.com/craft/intlsat3.htm. Retrieved April 21, 2017. 
  4. ↑ Krebs, Gunter. "Intelsat-3". Gunter's Space Page. http://space.skyrocket.de/doc_sdat/intelsat-3.htm. 



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