GOES 15

EWS-G2 (Electro-optical Infrared Weather System Geostationary) is a weather satellite of the U.S. Space Force, formerly GOES-15 (also known as GOES-P before becoming operational). The spacecraft was constructed by Boeing, and is the last of three GOES satellites to be based on the BSS-601 bus. It was launched in 2010, while the other BSS-601 GOES satellites—GOES-13 and GOES-14—were launched in May 2006 and June 2009 respectively. It was the sixteenth GOES satellite to be launched.

EWS-G2
The GOES-15 satellite during pre-launch processing.
NamesGOES-P
GOES-15 (before September 22, 2023)
Mission typeWeather satellite
OperatorNOAA / NASA
COSPAR ID2010-008A
SATCAT no.36411
Mission duration10 years (planned)
Elapsed: 14 years, 1 month, 5 days
Spacecraft properties
Spacecraft typeGOES-N series
BusBSS-601
ManufacturerBoeing
ITT Corporation
Power2.3 kilowatts from solar array
Start of mission
Launch date4 March 2010, 23:57 (2010-03-04UTC23:57Z) UTC
RocketDelta IV-M+(4,2)
Launch siteCape Canaveral, SLC-37B
ContractorUnited Launch Alliance
Orbital parameters
Reference systemGeocentric
RegimeGeostationary
Longitude128° West
SlotGOES-West
Semi-major axis42,166 kilometres (26,201 mi)
Perigee altitude35,791.0 kilometres (22,239.5 mi)
Apogee altitude35,800.4 kilometres (22,245.3 mi)
Inclination0.2°
Period1,436.2 minutes
 
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