| Intelsat III F-6 | |
| Mission Type: | Communications |
| Operator: | Intelsat |
| Cospar Id: | 1970-003A |
| Satcat: | 04297 |
| Mission Duration: | 5 years (planned) |
| Manufacturer: | TRW Inc. |
| Bol Mass: | 151kg (333lb) |
| Launch Mass: | 293kg (646lb) |
| Power: | 183 W |
| Launch Date: | UTC[1] |
| Launch Rocket: | Delta M |
| Launch Site: | Cape Canaveral LC-17A |
| Orbit Epoch: | January 15, 1970[2] |
| Orbit Reference: | Geocentric |
| Orbit Regime: | Geostationary |
| Orbit Periapsis: | 35773km (22,228miles) |
| Orbit Apoapsis: | 35801km (22,246miles) |
| Orbit Inclination: | 0.9° |
| Orbit Eccentricity: | 0.00033 |
| Orbit Period: | 1,436.1 minutes |
| Apsis: | gee |
| Programme: | Intelsat III |
| Previous Mission: | Intelsat III F-5 |
| Next Mission: | Intelsat III F-7 |
Intelsat III F-6 was a communications satellite owned by Intelsat. The satellite had an estimated useful life of 5 years.
The sixth of eight Intelsat III satellites to be launched, Intelsat III F-6 was built by TRW. It was a 293kg (646lb) 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]
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]