Engineering:Intelsat III F-6
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Short description: Communications satellite
| Mission type | Communications |
|---|---|
| Operator | Intelsat |
| COSPAR ID | 1970-003A |
| SATCAT no. | 04297 |
| Mission duration | 5 years (planned) |
| Spacecraft properties | |
| Manufacturer | TRW Inc. |
| Launch mass | 293 kilograms (646 lb) |
| BOL mass | 151 kilograms (333 lb) |
| Power | 183 W |
| Start of mission | |
| Launch date | January 15, 1970, 00:16:03 UTC[1] |
| Rocket | Delta M |
| Launch site | Cape Canaveral Air Force Station LC-17A |
| Orbital parameters | |
| Reference system | Geocentric[2] |
| Regime | Geostationary[2] |
| Eccentricity | 0.00033[2] |
| Perigee altitude | 35,773 kilometers (22,228 mi)[2] |
| Apogee altitude | 35,801 kilometers (22,246 mi)[2] |
| Inclination | 0.9°[2] |
| Period | 1,436.1 minutes[2] |
| Epoch | January 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
- ↑ 1.0 1.1 McDowell, Jonathan. "Launch Log". Jonathan's Space Page. http://planet4589.org/space/log/launchlog.txt.
- ↑ 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.
- ↑ Wade, Mark. "Intelsat 3". Encyclopedia Astronautica. http://www.astronautix.com/craft/intlsat3.htm. Retrieved April 21, 2017.
- ↑ Krebs, Gunter. "Intelsat-3". Gunter's Space Page. http://space.skyrocket.de/doc_sdat/intelsat-3.htm.
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