STSat-2A
| Names | Science and Technology Satellite-2A | 
|---|---|
| Mission type | Technology, Science | 
| Operator | KAIST Satellite Technology Research Center (SaTReC) | 
| Mission duration | 2 years (planned) Failed to orbit | 
| Spacecraft properties | |
| Spacecraft type | STSat | 
| Bus | STSat-1 | 
| Manufacturer | KAIST Satellite Technology Research Center (SaTReC) | 
| Launch mass | 100 kg (220 lb) | 
| Dimensions | 62 cm x 70 cm x 90 cm | 
| Power | 160 watts | 
| Start of mission | |
| Launch date | 25 August 2009, 08:00:33 UTC | 
| Rocket | Naro-1 # 1 | 
| Launch site | Naro Space Center | 
| Contractor | Khrunichev / KARI | 
| End of mission | |
| Last contact | Failed to orbit | 
| Orbital parameters | |
| Reference system | Geocentric orbit (planned) | 
| Regime | Low Earth orbit | 
| Perigee altitude | 300 km (190 mi) | 
| Apogee altitude | 1,500 km (930 mi) | 
| Inclination | 80.0° | 
| Period | 103.0 minutes | 
| Instruments | |
| Dual-channel Radiometers for Earth and Atmosphere Monitoring (DREAM) Laser Retroreflector Array (LRA) Dual Head Star Tracker (DHST) Pulsed Plasma Thruster (PPT) Fine Digital Sun Sensor (FDSS) | |
STSat-2A (Science and Technology Satellite-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) launch vehicle.