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EchoStar IV information


EchoStar IV
Mission typeCommunications
OperatorEchoStar
COSPAR ID1998-028A Edit this at Wikidata
SATCAT no.25331
Mission duration12 years
Spacecraft properties
BusA2100AX
ManufacturerLockheed Martin
Launch mass3,478 kg (7,668 lb)
Dry mass1,400 kg (3,100 lb)
Power10 kW
Start of mission
Launch dateMay 7, 1998, 23:45 (1998-05-07UTC23:45Z) UTC
RocketProton-K/Blok-DM3
Launch siteBaikonur 81/23
End of mission
DeactivatedJuly 2011 (July 2011)
Orbital parameters
Reference systemGeocentric
RegimeGeostationary
Longitude77° west[1]
Semi-major axis42,538.0 kilometers (26,431.9 mi)[1]
Perigee altitude36,085.2 kilometers (22,422.3 mi)[1]
Apogee altitude36,250.7 kilometers (22,525.1 mi)[1]
Inclination7.0 degrees[1]
Period1,455.3 minutes[1]
EpochMay 14, 2017[1]
Transponders
Band32 Ku band
FrequencyUplink: 17.3 - 17.8 GHz
Downlink: 12.2 - 12.7 GHz
Bandwidth24 MHz
Coverage areaUnited States, Mexico and Puerto Rico
EIRP53 dBW
 

EchoStar IV is a communications satellite operated by EchoStar. Launched in 1998 it was operated in geostationary orbit at a longitude of 77 degrees west for 12 years.

  1. ^ a b c d e f g N2yo. "ECHOSTAR 4". Retrieved November 28, 2017.{{cite web}}: CS1 maint: numeric names: authors list (link)

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