| Mission type | Communications |
|---|---|
| Operator | Intelsat →SES World Skies |
| COSPAR ID | 1997-053A |
| SATCATno. | 24957 |
| Mission duration | 14 years |
| Spacecraft properties | |
| Spacecraft type | AS-7000 |
| Manufacturer | Lockheed Martin |
| Launch mass | 3,412 kilograms (7,522 lb) |
| Start of mission | |
| Launch date | September 23, 1997, 23:58 (1997-09-23UTC23:58Z) UTC[1] |
| Rocket | Ariane-42L H10-3 |
| Launch site | KourouELA-2 |
| Contractor | Arianespace |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Geostationary |
| Longitude | 50.5° E[2] |
| Semi-major axis | 42,164.0 kilometres (26,199.5 mi)[2] |
| Perigee altitude | 35,778.2 kilometres (22,231.5 mi)[2] |
| Apogee altitude | 35,809.1 kilometres (22,250.7 mi)[2] |
| Inclination | 3.8 degrees[2] |
| Period | 1,436.1 minutes[2] |
| Epoch | May 5, 2017[2] |
| Transponders | |
| Band | 38C Band, 6Ku band |
| Coverage area | Pacific Ocean |
Intelsat 8 | |
NSS-5 (Formerly known asIntelsat 803 andNSS-803) is acommunications satellite operated byIntelsat and after bySES World Skies. Launched in 1997 it was operated ingeostationary orbit at a longitude of 50.5 degrees east for around 14 years.
The third of six Intelsat VIII satellites to be launched, NSS-5 was built byLockheed Martin. It was a 3,412-kilogram (7,522 lb) spacecraft. The satellite carried a doubleLEROS-1Bapogee motor for propulsion and was equipped with 38C Bandtransponders and 6Ku bandtransponders, powered by 2 solar cells more batteries.[3] It was designed for a fourteen-year service life.[3]
The launch of NSS-5 made use of anAriane 4 rocket flying fromGuiana Space Centre,Kourou,French Guiana. The launch took place at 23:58 UTC on September 23, 1997, with the spacecraft entering ageosynchronous transfer orbit.[1] NSS-5 subsequently fired its apogee motor to achievegeostationary orbit.
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