Intelsat III F-7

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Intelsat III F-7
Mission type Communications
Operator Intelsat
COSPAR ID 1970-032A OOjs UI icon edit-ltr-progressive.svg
SATCAT no. 04376
Mission duration5 years (planned)
Spacecraft properties
Manufacturer TRW Inc.
Launch mass647 kilograms (1,426 lb)
BOL mass 151 kilograms (333 lb)
Power183 W
Start of mission
Launch dateApril 23, 1970, 00:46:12 (1970-04-23UTC00:46:12Z) UTC [1]
RocketThor Delta M 559/D78
Launch site Cape Canaveral LC-17A
Orbital parameters
Reference system Geocentric [2]
Regime Geostationary [2]
Longitude124° W (current position) [2]
Semi-major axis 42,146 kilometers (26,188 mi) [2]
Perigee altitude 35,760.4 kilometers (22,220.5 mi) [2]
Apogee altitude 35,789.9 kilometers (22,238.8 mi) [2]
Inclination 4.9° [2]
Period 1,435.1 minutes [2]
Epoch May 29, 2018 [2]
Intelsat III

Intelsat III F-7 was an American communications satellite owned by Intelsat. The satellite had an estimated useful life of 5 years.

Contents

Design

The seventh of eight Intelsat III satellites to be launched, Intelsat III F-7 was built by TRW. It was a 647-kilogram (1,426 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.

Launch

Intelsat III F-7 was launched by a Delta M rocket, flying from Launch Complex 17A at the Cape Canaveral Air Force Station.

See also

References

  1. ↑ McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved May 29, 2018.
  2. 1 2 3 4 5 6 7 8 9 "INTELSAT 3 F-7 Real Time Satellite Tracking". N2YO.com. Retrieved May 29, 2018.
  3. ↑ Wade, Mark. "Intelsat 3". Encyclopedia Astronautica. Archived from the original on February 23, 2002. Retrieved May 29, 2018.
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