SES-2

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SES-2
NamesAMC-5R
AMC-26
CHIRP
Mission typeCommunications
OperatorSES
COSPAR ID2011-049A
SATCAT no.37809
Websitehttps://www.ses.com/
Mission duration15 years (planned)
10 years, 4 months, 10 days (elapsed)
Spacecraft properties
SpacecraftAMC-5R
Spacecraft typeGEOStar-2
BusStar-2.4
ManufacturerOrbital Sciences Corporation
Launch mass3,200 kg (7,100 lb)
Power5 kW
Start of mission
Launch date21 September 2011,
21:38:00 UTC [1]
RocketAriane 5 ECA (VA204)
Launch siteCentre Spatial Guyanais, ELA-3
ContractorArianespace
Entered service27 October 2011
Orbital parameters
Reference systemGeocentric orbit[2]
RegimeGeostationary orbit
Longitude87° West
Transponders
Band48 transponders:
24 C-band
24 Ku-band
Bandwidth36 MHz
Coverage areaNorth America, Latin America, Caribbean
← SES-1
SES-3 →
 

SES-2 is a communications satellite operated by SES World Skies. It was launched alongside the Arabsat-5C satellite.

Spacecraft[]

The platform is home to the first hosted payload, a mechanism by which governmental entities can fly modules on commercial satellites.[3][4][5] It carries 24 C-band and 24 Ku-band transponders of 36 MHz capacity. Six of the channels in each band can be cross-strapped to the opposite band, enabling new service capability. The SES-2 satellite generates approximately 5.0 kW of payload power and has two 2.3 m deployable reflectors.[2] It also carries the (CHIRP) for the U.S. Air Force. CHIRP demonstrates infrared detection technologies from geostationary orbit for missile warning applications.[2]

Launch[]

SES-2, a communications satellite, was launched on 21 September 2011 from Centre Spatial Guyanais, Kourou at 21:38:00 UTC by an Ariane 5 ECA launch vehicle. The satellite weighed 3200 kg and join four other Orbital Sciences-built spacecraft in the SES fleet to provide service for North America, Latin America and the Caribbean. It is stationed at 87° West longitude.[2]

Mission[]

It entered into commercial service on 27 October 2011 in the 87° West orbital location.[6] This satellite is used to transmit the updating Othernet archive to the small lightweight Othernet receiver stations designed to eventually provide news, weather, educational and other media to communities with no access to the internet.[7]

References[]

  1. ^ "Launch Log". Jonathan's Space Report. 14 March 2021. Retrieved 11 April 2021.
  2. ^ a b c d "Display: SES-2 2011-049A". NASA. 5 April 2021. Retrieved 11 April 2021. Public Domain This article incorporates text from this source, which is in the public domain.
  3. ^ "Money-saving missile detection sensor powered on". Spaceflight Now. 4 November 2011. Retrieved 11 April 2021.
  4. ^ "Hosted Success Air Force Plans Follow-On". SpaceNews. Archived from the original on 13 September 2012.
  5. ^ "Hosted payloads". NOAA. Archived from the original on 25 June 2014. Retrieved 11 April 2021. Public Domain This article incorporates text from this source, which is in the public domain.
  6. ^ "SES 2 at 87.0°W". LyngSat. Retrieved 11 April 2021.
  7. ^ "User's Guide to Setting Up and Using Othernet Dreamcatcher v 3.03" (PDF). cdn.shopify.com. 14 January 2019. Retrieved 11 April 2021.


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