ADVISORY/ILS Proton to Launch EchoStar VIII
ADVISORY/ILS Proton to Launch EchoStar VIII
June 20, 2002
Jun 20, 2002 (BUSINESS WIRE) --
Payload: EchoStar VIII
Loral 1300 platform
Separated mass: approx. 4,660 kg
(10,270 lbs)
Launch Vehicle: Proton K/Block DM
Weight at liftoff: 691,000 kg
(1.5 million lbs), including payload
Height: 57.2 m (187.7 ft)
Payload fairing: 4.35 m (14.27 ft)
diameter
Launch Date: Saturday, June 22, 2002
Launch Window Opens: 11:15 a.m. Baikonur
9:15 a.m. Moscow
5:15 GMT
1:15 a.m. EDT (USA)
Launch Site: Baikonur Cosmodrome, Kazakhstan
Launch Complex 81, Pad 23
End User: EchoStar Communications Corp.,
Littleton, Colo
Satellite Manufacturer: Space Systems/Loral, Palo Alto,
Calif.
Launch Vehicle Khrunichev State Research and
Manufacturer: Production Space Center, Moscow -
Proton first three stages;
RSC Energia, near Moscow - Block DM
fourth stage
Launch Services
Provider: International Launch Services (ILS),
McLean, Va.
Satellite Use: High-powered direct broadcast
satellite to enhance services for
DISH Network(TM), EchoStar's
state-of-the-art DBS entertainment
service
Satellite Statistics: -- 8th satellite in EchoStar
constellation
-- Orbital location: 110 degrees West
longitude
-- Anticipated service life of 15
years
Mission Profile: The Proton launch vehicle will inject
the EchoStar VIII satellite into
geosynchronous transfer orbit. The
first three stages will use a
standard ascent trajectory to place
the Block DM upper stage with the
satellite into a circular parking
orbit of 160 km (100 mi), inclined
at 51.6 degrees. Then the Block DM
will ignite three times to propel
the satellite to a transfer orbit of
4,300 km x 35,786 km (2,670 mi x
22,300 mi). Following separation
from the Block DM, the spacecraft
will perform a series of liquid
apogee engine burns to raise
perigee, lower inclination and
circularize the orbit at the
geostationary altitude of 35,786 km
(22,300 mi).
Spacecraft Separation: Approximately 6 hours, 36 minutes
after liftoff
ILS Mission Statistics: -- 5th ILS mission this year
-- 3rd ILS Proton mission this year
-- 2nd ILS mission for EchoStar in 4
months
-- 24th ILS mission on Proton since
formation of the U.S.- Russian
joint venture in 1995
Live Broadcast: Telstar 5, transponder 5, C-band, at
97 degrees West Downlink frequency
3800 MHz vertical Signals to begin
at 12:30 a.m. EDT
More Information: Live webcast and general mission
information will be available on the
ILS web site at www.ilslaunch.com.
Launch status updates are available
on the ILS U.S. domestic Launch
Hotline at 800/852-4980.
CONTACT: ILS, McLean
Fran Slimmer, 571/633-7462
international cell: 646/229-4801
fran.slimmer@lmco.com
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