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06 May 03

ILS to Launch Hellas-Sat on Atlas V
Media Advisory

Payload: Hellas-Sat
Geostationary communications satellite
Separated mass: Approx. 7,165 lbs (3,250 kg)

Launch Vehicle: Atlas V, designated AV-002
Centaur upper stage
RD-180 engine
Weight at liftoff: 737,547 lbs (334,546 kg), including payload
Fairing: 14 ft (4.2 m) diameter aluminum
Height: 190 ft (58 m)

Launch Date: Monday, May 12, 2002

Launch Window: 34 minutes
5:57-6:31 p.m. EDT
21:57-22:31 GMT

Launch Site: Cape Canaveral Air Force Station, Fla.
Launch Complex 41

Customer: Hellas-Sat Consortium Ltd., Nicosia, Cyprus

Satellite Manufacturer: Astrium, jointly owned by European
Aeronautical Defence & Space Co. and BAE Systems.

Launch Vehicle Manufacturer: Atlas vehicle and Centaur upper stage
built by Lockheed Martin Space Systems in Denver, Colo.; San Diego,
Calif.; and Harlingen, Texas.

Launch Services Provider: International Launch Services, McLean, Va.

Satellite Use: High-powered satellite to deliver voice, internet,
video and broadcasting to Greece, Cyprus, the Balkans and Eastern
Europe. 

Satellite Statistics:

Eurostar 3000+ model

30 active Ku-band transponders

15 years expected lifetime

Mission Profile: Atlas V will place Hellas-Sat into orbit using a
supersynchronous mission design. This mission will use a parking
orbit ascent trajectory design with two Centaur burn phases. The
satellite's own attitude and orbital control system will perform a
series of burns to lower apogee and raise perigee to geosynchronous
altitude, circularize orbit and reduce inclination.

Spacecraft Separation: About 31 minutes after liftoff

ILS Mission Statistics:

2nd flight of Atlas V

2nd ILS mission this year

Atlas family has perfect record in 64 consecutive flights

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NEWS MEDIA ACTIVITIES
All times are EDT

Vehicle Rollout: Meet at Cape Canaveral AFS Pass & ID Building for
badging at 7:45 a.m. Monday, May 12.

Media Briefings: Pre-launch news conference following rollout, at 10
a.m. Monday, at the Florida Space Authority Resource Center near the
entrance to Cape Canaveral AFS.

Remote Camera Set-up: Photographers should meet at CCAFS Pass & ID at
5 p.m. Sunday, May 11.

Launch Viewing: Accredited media covering the launch should meet at
CCAFS Pass & ID at 4 p.m. Monday, May 12, for Air Force escort to
Atlas V Press Site.

More Information: General mission information and a live webcast of
the launch will be available on the ILS website. Launch status
updates will be available on the ILS U.S. domestic Launch Hotline at
1-800-852-4980. 

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CONTACT: Fran Slimmer, ILS, McLean: +1-571-633-7462; mobile:
+1-646-229-4801; Cape Canaveral: +1-321-476-5283;
fran.slimmer{at}lmco.com
#03-14

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