Mission type | Weather satellite |
---|---|
Operator | NOAA / NASA (1987-1999) Peacesat (1999-2012) |
COSPAR ID | 1987-022A |
SATCAT no. | 17561 |
Mission duration | 3-7 years (planned) 25 years (achieved) |
Spacecraft properties | |
Bus | HS-371 |
Manufacturer | Hughes |
Start of mission | |
Launch date | 26 February 1987, 23:05 UTC |
Rocket | Delta 3914 |
Launch site | Cape Canaveral LC-17A |
Contractor | McDonnell Douglas |
End of mission | |
Disposal | Decommissioned |
Deactivated | 12 April 2012 |
Orbital parameters | |
Reference system | Geocentric |
Regime | Geostationary |
Longitude | 75° West (1987-1989) 98° West (1989-1992) 112° West (1992-1995) 135° West (1995-1999) 95° West (1999) 175° West (1999-2012) |
Slot | GOES-EAST (1987-1989) GOES-WEST (1995-1999) |
Eccentricity | 0.0002306 |
Perigee altitude | 35,879 kilometres (22,294 mi) |
Apogee altitude | 35,898 kilometres (22,306 mi) |
Inclination | 15.09° |
Period | 24 hours |
GOES-7, known as GOES-H before becoming operational, is an American satellite. It was originally built as a weather satellite, and formed part of the US National Oceanic and Atmospheric Administration's Geostationary Operational Environmental Satellite system. Originally built as a ground spare, [1] GOES-H was launched in 1987 due to delays with the next series of satellites. It was operated by NOAA until 1999, before being leased to Peacesat, who use it as a communications satellite. [2] As of 2009, it was operational over the Pacific Ocean, providing communications for the Pacific Islands. On April 12, 2012, the spacecraft was finally decommissioned and moved to a graveyard orbit. [3]
GOES-H was launched aboard a McDonnell Douglas Delta 3914 rocket, flying from Launch Complex 17A at the Cape Canaveral Air Force Station. [4] The launch occurred at 23:05 GMT on 26 February 1987. [4] The launch had originally been scheduled for late 1986, but was delayed after GOES-G failed to achieve orbit. [5] It was built by Hughes Space and Communications, based on the HS-371 satellite bus, [6] and was the last of five GOES-D series satellites to be launched. [7]
Following launch, GOES-7 was positioned in geostationary orbit at a longitude of 75° West, [8] where it underwent on-orbit testing before being activated in the GOES-EAST slot of the constellation.
Due to the loss of GOES-G, and delays in the development of the GOES-I series spacecraft, no reserve satellites were available in the late 1980s and early 1990s. After the imager on the GOES-6 satellite failed in 1989, GOES-7 was left as the only operational GOES satellite. [9] It was moved to 98° West to cover the whole of the continental United States. In 1992, Meteosat 3 was leased from Eumetsat to take over GOES-EAST operations, allowing GOES-8 to be moved 112° West. When GOES-8 entered service in 1995, it replaced Meteosat 3, and GOES-7 was moved to the GOES-WEST position at 135° West. It remained in service until its retirement from service in 1996, [10] at which time it was moved to 95° West. It was then transferred to Peacesat, and positioned at 175° West [11] [12] until its final retirement and disposal in 2012.
It is the only satellite to have been operated as both GOES-EAST and GOES-WEST in the course of normal operations. GOES-10 has been used as both GOES-EAST and GOES-WEST, however its operations as GOES-EAST were as a backup during an outage of GOES-12, and the satellite was not moved to the GOES-EAST orbital position.
The Geostationary Operational Environmental Satellite (GOES), operated by the United States' National Oceanic and Atmospheric Administration (NOAA)'s National Environmental Satellite, Data, and Information Service division, supports weather forecasting, severe storm tracking, and meteorology research. Spacecraft and ground-based elements of the system work together to provide a continuous stream of environmental data. The National Weather Service (NWS) and the Meteorological Service of Canada use the GOES system for their North American weather monitoring and forecasting operations, and scientific researchers use the data to better understand land, atmosphere, ocean, and climate dynamics.
GOES-14, known as GOES-O prior to reaching its operational orbit, is an American weather satellite, which is part of the US National Oceanic and Atmospheric Administration (NOAA)'s Geostationary Operational Environmental Satellite (GOES) system. The spacecraft was built by Boeing and is based on the BSS-601 bus. It is the second of three GOES satellites to use the BSS-601 bus, after GOES-13, which was launched in May 2006.
EWS-G1 is a weather satellite of the U.S. Space Force, formerly GOES-13 and part of the National Oceanic and Atmospheric Administration's Geostationary Operational Environmental Satellite system. On 14 April 2010, GOES-13 became the operational weather satellite for GOES-East. It was replaced by GOES-16 on 18 December 2017 and on 8 January 2018 its instruments were shut off and it began its three-week drift to an on-orbit storage location at 60.0° West longitude, arriving on 31 January 2018. It remained there as a backup satellite in case one of the operational GOES satellites had a problem until early July 2019, when it started to drift westward and was being transferred to the U.S. Air Force, and then the U.S. Space Force.
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GOES-11, known as GOES-L before becoming operational, is an American weather satellite, which is part of the US National Oceanic and Atmospheric Administration's Geostationary Operational Environmental Satellite system. It was launched in 2000, and operated at the GOES-WEST position, providing coverage of the west coast of the United States, until December 6, 2011.
GOES-10, known as GOES-K before becoming operational, was an American weather satellite, which formed part of the US National Oceanic and Atmospheric Administration's Geostationary Operational Environmental Satellite system. It was launched in 1997, and after completing operations as part of the main GOES system, it was kept online as a backup spacecraft until December 2009, providing coverage of South America as GOES-SOUTH, and being used to assist with hurricane predictions for North America. It was retired and maneuvered to a graveyard orbit on 1 December 2009.
GOES-9, known as GOES-J before becoming operational, was an American weather satellite, which formed part of the U.S. National Oceanic and Atmospheric Administration's Geostationary Operational Environmental Satellite system. It was launched in 1995, and operated until 2007 when it was retired and boosted to a graveyard orbit. At launch, the satellite had a mass of 2,105 kilograms (4,641 lb), and an expected operational lifespan of three years. It was built by Space Systems/Loral, based on the LS-1300 satellite bus, and was the second of five GOES-I series satellites to be launched.
GOES-8, known as GOES-I before becoming operational, was an American weather satellite, which formed part of the US National Oceanic and Atmospheric Administration's Geostationary Operational Environmental Satellite system. It was launched in 1994, and operated until 2004 when it was retired and boosted to a graveyard orbit. At launch, the satellite had a mass of 2,105 kilograms (4,641 lb), and an expected operational lifespan of three or five years. It was built by Space Systems/Loral, based on the LS-1300 satellite bus, and was the first of five GOES-I series satellites to be launched.
TDRS-3, known before launch as TDRS-C, is an American communications satellite, of first generation, which is operated by NASA as part of the Tracking and Data Relay Satellite System. It was constructed by TRW, and is based on a custom satellite bus which was used for all seven first generation TDRS satellites.
Galaxy 11 is an American geostationary communications satellite which is operated by Intelsat. It is located in geostationary orbit at a longitude of 32.8 degrees east, where it serves as a backup to the Intelsat 802 spacecraft. It was originally operated at 99° West and later spent most of its operational life at 91° West, from where it was used to provide communications services to Brazil and North America.
GOES-2, known as GOES-B before becoming operational, was a geostationary weather satellite which was operated by the United States National Oceanic and Atmospheric Administration as part of the Geostationary Operational Environmental Satellite system. GOES-2 was built by Ford Aerospace, and was based on the satellite bus developed for the Synchronous Meteorological Satellite programme. At launch it had a mass of 295 kilograms (650 lb). It was positioned in geostationary orbit, from where it was used for weather forecasting in the United States. Following its retirement as a weather satellite, it was used as a communications satellite until its final decommissioning in 2001.
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