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Star One C1
Mission type	Communications
Operator	Star One
COSPAR ID	2007-056A
SATCAT no.	32293
Mission duration	15 years
Spacecraft properties
Bus	Spacebus-3000B3
Manufacturer	Thales Alenia Space
Launch mass	4,100 kilograms (9,000 lb)
Dry mass	1,754 kilograms (3,867 lb)
Dimensions	5.3 x 3.3 x 2.5 m
Power	10,5 kW
Start of mission
Launch date	14 November 2007, 22:06 UTC
Rocket	Ariane 5ECA
Launch site	Kourou ELA-3
Contractor	Arianespace
Orbital parameters
Reference system	Geocentric
Regime	Geostationary
Longitude	65° west
Semi-major axis	42,241.0 kilometers (26,247.3 mi)
Perigee altitude	35,860.5 kilometers (22,282.7 mi)
Apogee altitude	35,879.7 kilometers (22,294.6 mi)
Period	1,440.0 minutes
Transponders
Band	28 IEEE C-band (NATO G/H-band); 16 IEEE Ku band (NATO J-band); 1 IEEE X-band (NATO H/I/J-band)

Star One C1 is a Brazilian communications satellite. It was launched on 14 November 2007 by an Ariane 5ECA carrier rocket, as part of a dual-payload launch with Skynet 5B. It was built by Thales Alenia Space, based on the Spacebus-3000B3 satellite bus.^[1] It is operated by Star One, a subsidiary of Embratel.

Overview

It was launched atop an Ariane 5-ECA rocket at 22:06 UTC on November 14, 2007. This launch had previously been delayed from November 9 due to a problem with the rocket, and then from November 12 due to a problem with the launch pad. Star One C1 was built by Thales Alenia Space based on a Spacebus 3000 B3 platform. It has 28 C-band transponders, 14 Ku-band transponders and one X-band transponder, and weighed about 4,100 kilograms (9,000 lb) at launch.^[2]