GOES 10
GOES-K before launch
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| Mission type | Weather satellite |
|---|---|
| Operator | NOAA / NASA |
| COSPAR ID | 1997-019A |
| SATCAT no. | 24786 |
| Website | goes |
| Mission duration | 5 years (planned) 12 years (achieved) |
| Spacecraft properties | |
| Bus | LS-1300 |
| Manufacturer | Space Systems/Loral |
| Launch mass | 2,105 kilograms (4,641 lb) |
| Start of mission | |
| Launch date | 25 April 1997, 05:49 UTC |
| Rocket | Atlas I |
| Launch site | Cape Canaveral LC-36B |
| Contractor | ILS |
| End of mission | |
| Disposal | Decommissioned |
| Deactivated | 1 December 2009 |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Geostationary |
| Longitude | 105° West (1997-1998) 135° West (1998-2006) 60° West (2006-2009) |
| Slot | GOES-WEST (1998-2006) GOES-SOUTH (2006-2009) |
| Perigee | 35,983 kilometres (22,359 mi) |
| Apogee | 36,237 kilometres (22,517 mi) |
| Inclination | 7.0380° |
| Period | 24 hours |
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-K was launched aboard an International Launch Services Atlas I rocket, flying from Launch Complex 36B at the Cape Canaveral Air Force Station. The launch occurred at 05:49 GMT on 25 April. Its launch was the final flight of the Atlas I rocket, which was retired in favour of the modernised Atlas II. At launch, the satellite had a mass of 2,105 kilograms (4,641 lb), and an expected operational lifespan of five years. It was built by Space Systems/Loral, based on the LS-1300 satellite bus, and was the third of five GOES-I series satellites to be launched. Following launch, it was positioned in geostationary orbit at a longitude of 105° West for on-orbit testing.
During on-orbit testing, the system used to rotate the solar array in order to track the Sun malfunctioned. Early in testing it briefly stopped working twice, and then seventeen days into testing, it stopped completely. Following two months of analysis, it was determined that it had only stopped working in one direction, so the satellite was rotated 180 degrees, and the array operated in reverse. Because of this fault, testing lasted longer than originally planned, with the satellite finally being powered down for storage as a backup in June 1998, a process that was originally scheduled for August of the previous year. Less than a month later, it was reactivated after the attitude control system on the GOES 9 satellite started to fail. During July, it was prepared for operational service, before assuming GOES-WEST operations at the end of the month. In August, it was moved to a longitude of 135° West, where it relieved GOES 9. GOES 10 transmitted weather data while it was still moving, which required users to track the satellite in order to continue receiving data. This was the first time that a GOES satellite which was still operational was replaced.
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