STSAT-2A
Encyclopedia
STSAT-2A was a satellite
launched by the Korea Aerospace Research Institute
(KARI), the national space agency of South Korea, from the Naro Space Center in Goheung County
, South Jeolla using the Naro-1 (KSLV-1) rocket.
The 100 kilograms (220.5 lb) satellite
carried a Lyman- alpha Imaging Solar Telescope (LIST) as well as Satellite laser ranging
(SLR) payload.
The Satellite Technology Research Center (SaTReC) developed STSAT-2A as a sun observation, satellite laser ranging and engineering and technology demonstration sponsored by the Ministry of Science and Technology. It was expected to be operational for about two years, and was scheduled to be launched between 2005 and 2007.
The Satellite Laser Ranging (SLR) instrument was intended to measure the orbit of STSAT-2A, in order to investigate variations in its orbit.
It was a followup to STSAT-1, which was launched using a Kosmos-3M rocket on September 27, 2003. Originally a Dual-channel Radiometers for Earth and Atmosphere Monitoring (DREAM) Microwave radiometer
was intended as the principal payload of STSAT-2A for an expected launch in 2007. The Laser Retro-reflector Array (LRA) was described as an early expected payload for STSAT-2A which would consist of nine retro-reflectors in a mechanical casing.
STSAT-2A has three missions, the indigenous research and development to place a satellite into low orbit, development of indigneous spacecraft, and the ability to develop scientific payloads.
STSAT-2A was launched on the maiden flight of the Naro-1 rocket, which lifted off the Naro Space Centre, on the southern coast of South Korea at 08:00 GMT on 25 August 2009. The launch failed to place STSAT-2 into orbit after half of the payload fairing failed to separate. This resulted in the second stage being too heavy to reach orbit, and it fell back to Earth along with the satellite. Further investigation is ongoing. A second satellite, STSAT-2B
, was launched on June 10 2010, but the launch vehicle failed again.
Satellite
In the context of spaceflight, a satellite is an object which has been placed into orbit by human endeavour. Such objects are sometimes called artificial satellites to distinguish them from natural satellites such as the Moon....
launched by the Korea Aerospace Research Institute
Korea Aerospace Research Institute
The Korea Aerospace Research Institute is the aeronautics and space agency of South Korea. Its main laboratories are located in Daejeon, in the Daedeok Science Town. Current projects include the KSLV launcher. Past projects include the 1999 Arirang-1 satellite. The agency was founded in 1989...
(KARI), the national space agency of South Korea, from the Naro Space Center in Goheung County
Goheung County
Goheung County is a county in Jeollanam-do Province, South Korea.-Naro Space Center:The Naro Space Center was completed during 2008 in southern Goheung and is operated by the state-run Korea Aerospace Research Institute...
, South Jeolla using the Naro-1 (KSLV-1) rocket.
The 100 kilograms (220.5 lb) satellite
Satellite
In the context of spaceflight, a satellite is an object which has been placed into orbit by human endeavour. Such objects are sometimes called artificial satellites to distinguish them from natural satellites such as the Moon....
carried a Lyman- alpha Imaging Solar Telescope (LIST) as well as Satellite laser ranging
Satellite laser ranging
In satellite laser ranging a global network of observation stations measure the round trip time of flight of ultrashort pulses of light to satellites equipped with retroreflectors...
(SLR) payload.
The Satellite Technology Research Center (SaTReC) developed STSAT-2A as a sun observation, satellite laser ranging and engineering and technology demonstration sponsored by the Ministry of Science and Technology. It was expected to be operational for about two years, and was scheduled to be launched between 2005 and 2007.
The Satellite Laser Ranging (SLR) instrument was intended to measure the orbit of STSAT-2A, in order to investigate variations in its orbit.
It was a followup to STSAT-1, which was launched using a Kosmos-3M rocket on September 27, 2003. Originally a Dual-channel Radiometers for Earth and Atmosphere Monitoring (DREAM) Microwave radiometer
Microwave radiometer
A microwave radiometer is a radiometer that measures energy emitted at sub-millimetre-to-centimetre wavelengths known as microwaves. Their primary application has been onboard spacecraft measuring atmospheric and terrestrial radiation, and they are mostly used for meteorological or oceanographic...
was intended as the principal payload of STSAT-2A for an expected launch in 2007. The Laser Retro-reflector Array (LRA) was described as an early expected payload for STSAT-2A which would consist of nine retro-reflectors in a mechanical casing.
STSAT-2A has three missions, the indigenous research and development to place a satellite into low orbit, development of indigneous spacecraft, and the ability to develop scientific payloads.
STSAT-2A was launched on the maiden flight of the Naro-1 rocket, which lifted off the Naro Space Centre, on the southern coast of South Korea at 08:00 GMT on 25 August 2009. The launch failed to place STSAT-2 into orbit after half of the payload fairing failed to separate. This resulted in the second stage being too heavy to reach orbit, and it fell back to Earth along with the satellite. Further investigation is ongoing. A second satellite, STSAT-2B
STSAT-2B
STSAT-2B, or Science and Technology Satellite 2B, was a South Korean satellite which was lost in the failure of the second flight of the Naro-1 carrier rocket. It was to have been operated by the Korea Aerospace Research Institute, and was intended to demonstrate technology for future spacecraft...
, was launched on June 10 2010, but the launch vehicle failed again.