Technical Information/Satellites: The INTELSAT 8 Satellites

Intelsat 8 Series (801, 803, 802, 804, 805A, 806A)
(to Western Hemisphere, Eastern Hemisphere, Footprints by Dish Size)

This page was originally on the Intelsat website however they scrapped it when
they made their current website so I have reproduced it for your research convenience.

The INTELSAT 8 Satellites

As of 1 June 1998, three INTELSAT VIII satellites are in service in the Atlantic, Indian and Pacific Ocean Regions. One INTELSAT VIII/A satellite (INTELSAT 805) is due to be launched in June of 1998 for deployment in the Atlantic Ocean Region (AOR) at 304.5°E.

	INTELSAT 801 @ 328.5°E	AOR
	INTELSAT 802 @ 174°E	POR
	INTELSAT 804 @ 64°E	IOR
	INTELSAT 805 @ 304.5°E*	AOR
* Future planned spacecraft.

Capacity

INTELSAT VIII: 22,500 two-way telephone circuits and three TV channels; up to 112,500 two-way telephone circuits with the use of digital circuit multiplication equipment (DCME).

Lifetime

14-17 years, depending on the launch vehicle.

Launch Vehicles
Arianespace	Ariane 44P
ILS International Launch Services	Atlas II AS

Launches
Spacecraft	Launch Vehicle	Spacecraft Delivery	Launch Window/Date	Launch Result
INTELSAT 801	Ariane 44P	30 Dec. 1996	27 Feb. 1997	Success
INTELSAT 802	Ariane 44P	29 April 1997	25 Jun. 1997	Success
INTELSAT 804	Ariane 42L	21 Oct. 1997	21 Dec. 1997	Success
INTELSAT 805	Atlas IIAS	15 May 1998	18 Jun. 1998	n/a
*Note:* INTELSAT VIII/A launch window represents INTELSAT's best estimate at this time and is being coordinated with launch services contractor.

Capabilities
Transponders	INTELSAT VIII	INTELSAT VIII/A
C-band Transponders	38	28
Ku-band Transponders	06	3
Total	44	31

The INTELSAT VIII-VIII/A series has been designed to meet the needs of INTELSAT users throughout the system for improved C-band coverage and service. These spacecraft will incorporate six-fold C-band frequency reuse, two-fold frequency reuse of expanded C-band capacity, and the highest C-band power level ever for an INTELSAT satellite. Consequently, INTELSAT VIII will provide significantly more C-band capacity for public switched telephony and INTELSAT Business Service, better quality for video services, and encourage new international VSAT applications.

Other salient features of INTELSAT VIII satellites include:

Two independently steerable Ku-band spot beams which can be pointed anywhere on the surface of the earth that is visible from the spacecraft in geosynchronous orbit.
Interconnected operation between C- and Ku-bands.
Expanded SNG (satellite news gathering) service provided by the capability to connect spot beams to global beams, including a return path for small Ku-band transportable SNG stations for voice/data communications.
Compatibility with INTELSAT VII/VII-A satellites to facilitate operation with and transition to INTELSAT VIII spacecraft.