The Morelos satellites are a series of Mexicancommunications satellites. The first two operated between 1985 and 1998 and provided telephony, data, and television services over the territory of the Mexican Republic and adjacent areas. The third is now part of the MEXSAT constellation (sister ship of the MEXSAT-1 lost during launch) but carries the Morelos name.
The original Morelos satellites were replaced by the Solidaridad Satellite System (Solidaridad I, launched 17 November 1993, and Solidaridad 2, launched 17 October 1994) and, following privatisation, by the Satmex Satellite System.
Morelos II was launched in November 1985 and remained in service until July 1998. Built by the Hughes Aircraft Corporation for the SCT, it was launched by the Space Shuttle Atlantis on 27 November 1985; the mission, STS-61-B, included Mexican-born astronaut Rodolfo Neri Vela as a payload specialist in its crew. Morelos II held a geostationary orbit at 116.8° W.
Morelos IIIedit
Morelos III (originally MEXSAT 2) was launched on 2 October 2015 at 10:28 UTC on Atlas V 421 AV-059 and the 100th launch by the United Launch Alliance. The spacecraft is designed to provide L-band services to mobile 3G+ users and armed forces via a deployable 22m Herschelian antenna dish with RF transceivers. It also has a 2m Ku-band dish of fixed geometry with a much simpler deployment sequence. The spacecraft is a Boeing 702HP GeoMobile spacecraft bus equipped with an RD-4 main engine for completing its ascent to geostationary orbit at 113° W from an ascent orbit of 4750 by 35800km inclined at 27° following the now-typical long duration two-burn profile of the Atlas V.[1][2][3] It was originally intended to serve with the similar MEXSAT-1 Centenario spacecraft (which would have been at 116° W) lost during the 3rd stage failure of the 406th Proton, a launch vehicle of Proton-M/Briz-M configuration.[4]
^Graham, William (October 2, 2015). "ULA marks 100th mission – Atlas V launches with Morelos-3". www.nasaspaceflight.com. NASA Spaceflight Forums. Retrieved October 2, 2015.
^de Selding, Peter B. (October 2, 2015). "Atlas 5 Launches Mexicos Morelos-3 L-band Satellite". www.spacenews.com. Space News. Retrieved October 2, 2015.
^Rhian, Jason (October 2, 2015). "Strong at 100 – ULA launches Morelos-3 on firm's 100th mission". www.spaceflightinsider.com. Spaceflight Insider. Retrieved October 2, 2015.
^Bergin, Chris (May 16, 2015). "ILS Proton-M suffers third stage failure during MexSat-1 launch". www.nasaspaceflight.com. NASA Spaceflight Forums. Retrieved October 2, 2015.
Morelos-3 Launch images, Oct 2, 2015 @ 6:28 am EDT
April 12, 2024
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This article needs additional citations for verification Please help improve this article by adding citations to reliable sources Unsourced material may be challenged and removed Find sources Morelos Satellite System news newspapers books scholar JSTOR January 2017 Learn how and when to remove this template message The Morelos satellites are a series of Mexican communications satellites The first two operated between 1985 and 1998 and provided telephony data and television services over the territory of the Mexican Republic and adjacent areas The third is now part of the MEXSAT constellation sister ship of the MEXSAT 1 lost during launch but carries the Morelos name Morelos ISpacecraft propertiesBusHS 376ManufacturerHughes Aircraft CorporationBOL mass646 5 kilograms 1 425 lb Start of missionLaunch date17 June 1985RocketSpace Shuttle Discovery STS 51 GTranspondersBandC band 18 2 spares Ku band 4 2 spares EIRPC band 36 dBWKu band 44 dBW Morelos IISpacecraft propertiesBusHS 376ManufacturerHughes Aircraft CorporationBOL mass646 5 kilograms 1 425 lb Start of missionLaunch date27 November 1985RocketSpace Shuttle Atlantis STS 61 BTranspondersBandC band 18 2 spares Ku band 4 2 spares EIRPC band 36 dBWKu band 44 dBW Morelos IIIOperatorMEXSATCOSPAR ID2015 056AMission duration15 yearsSpacecraft propertiesBus702HP GeoMobileManufacturerBoeingLaunch mass5 325 kilograms 11 740 lb BOL mass3 200 kilograms 7 100 lb Power14kWStart of missionLaunch date2 October 2015RocketAtlas V 421 AV 059 Orbital parametersLongitude113 WTranspondersBandL band and Ku band The original Morelos satellites were replaced by the Solidaridad Satellite System Solidaridad I launched 17 November 1993 and Solidaridad 2 launched 17 October 1994 and following privatisation by the Satmex Satellite System Contents 1 Satellites 1 1 Morelos I 1 2 Morelos II 1 3 Morelos III 2 Gallery 3 See also 4 References 5 External linksSatellites editMorelos I edit Morelos I was Mexico s first communications satellite It was built and put into orbit under a contract from the Secretariat of Communications and Transport SCT the federal ministry responsible for the nation s communications systems Morelos I a Hughes Aircraft Corporation HS 376 was launched by the U S Space Shuttle Discovery mission STS 51 G on 17 June 1985 and entered geostationary orbit at 113 W on 17 December 1985 Morelos II edit Morelos II was launched in November 1985 and remained in service until July 1998 Built by the Hughes Aircraft Corporation for the SCT it was launched by the Space Shuttle Atlantis on 27 November 1985 the mission STS 61 B included Mexican born astronaut Rodolfo Neri Vela as a payload specialist in its crew Morelos II held a geostationary orbit at 116 8 W Morelos III edit Morelos III originally MEXSAT 2 was launched on 2 October 2015 at 10 28 UTC on Atlas V 421 AV 059 and the 100th launch by the United Launch Alliance The spacecraft is designed to provide L band services to mobile 3G users and armed forces via a deployable 22m Herschelian antenna dish with RF transceivers It also has a 2m Ku band dish of fixed geometry with a much simpler deployment sequence The spacecraft is a Boeing 702HP GeoMobile spacecraft bus equipped with an RD 4 main engine for completing its ascent to geostationary orbit at 113 W from an ascent orbit of 4750 by 35800km inclined at 27 following the now typical long duration two burn profile of the Atlas V 1 2 3 It was originally intended to serve with the similar MEXSAT 1 Centenario spacecraft which would have been at 116 W lost during the 3rd stage failure of the 406th Proton a launch vehicle of Proton M Briz M configuration 4 Gallery editMorelos Satellite System Photo credit NASA nbsp Deployment of Morelos I nbsp Deployment of Morelos IISee also edit nbsp Spaceflight portal1985 in spaceflight Satmex Telecommunications in Mexico MexsatReferences edit Graham William October 2 2015 ULA marks 100th mission Atlas V launches with Morelos 3 www nasaspaceflight com NASA Spaceflight Forums Retrieved October 2 2015 de Selding Peter B October 2 2015 Atlas 5 Launches Mexicos Morelos 3 L band Satellite www spacenews com Space News Retrieved October 2 2015 Rhian Jason October 2 2015 Strong at 100 ULA launches Morelos 3 on firm s 100th mission www spaceflightinsider com Spaceflight Insider Retrieved October 2 2015 Bergin Chris May 16 2015 ILS Proton M suffers third stage failure during MexSat 1 launch www nasaspaceflight com NASA Spaceflight Forums Retrieved October 2 2015 External links editMorelos Boeing Morelos II Satmex Morelos 3 Launch images Oct 2 2015 6 28 am EDT Retrieved from https en wikipedia org w index php title Morelos Satellite System amp oldid 1142253242 Morelos II, wikipedia, wiki, book, books, library,
