STSat-2C

STSat-2C, or Science and Technology Satellite-2C, or Naro Science Satellite (ko:나로과학위성) was a South Korean satellite which was launched in 2013. It was operated by the Korea Aerospace Research Institute (KARI), and was intended to demonstrate technology for future spacecraft. The satellite had a mass of 100 kg (220 lb), and was expected to operate for less than a year.[1][4]

STSat-2C
An artist rendering of the STSat-2C satellite.
NamesScience and Technology Satellite-2C
Naro Science Satellite
Mission typeTechnology, Science
OperatorKorea Aerospace Research Institute (KARI)
COSPAR ID2013-003A
SATCAT no.39068
Mission durationPlanned: 1 year
Final: 6 years, 9 months and 13 days
Spacecraft properties
Spacecraft typeSTSat
BusSTSat-2A
ManufacturerKorea Aerospace Research Institute (KARI)
Launch mass100 kg (220 lb) [1]
Dimensions62 cm x 70 cm x 90 cm
Power160 watts
Start of mission
Launch date30 January 2013, 07:00:00 UTC[1]
RocketNaro-1 # 3
Launch siteNaro Space Center
ContractorKhrunichev / KARI
End of mission
DisposalDeorbited
Decay date13 November 2019 [2]
Orbital parameters
Reference systemGeocentric orbit[3]
RegimeLow Earth orbit
Perigee altitude301 km (187 mi)
Apogee altitude1,433 km (890 mi)
Inclination80.26°
Period102.14 minutes
Instruments
Langmuir probe
Laser Retroreflector Array (LRA)
Space Radiation Effects Monitor (SREM)
Reaction Wheel Assembly (RWA)
IR Sensor (IRS)
Femto second Laser Oscillator (FSO)
 

Instruments

STSAT-2C carries six payloads: the Laser Retroreflector Array (LRA) allows the spacecraft to be tracked with centimeter accuracy by satellite laser ranging (SLR) stations which make up the International Laser Ranging Service (ILRS). A Langmuir probe will be used to determine the electron temperature, electron density, and electric potential of plasma. The Space Radiation Effects Monitor (SREM) will be used for measurements and monitoring of the near-earth space environment. In addition, the Reaction Wheel Assembly (RWA), IR Sensor (IRS), and Femto second Laser Oscillator (FSO) are carried for the verification of new space technologies.[5]

Launch

STSat-2C was launched at 07:00:00 UTC on 30 January 2013, on the third flight of the Naro-1 launch vehicle, with a Russian first stage derived from the Angara and a South Korean second stage.[6] Liftoff occurred from the Naro Space Center, and the launch vehicle successfully deployed the satellite into at 301 by 1,433 km (187 by 890 mi) low Earth orbit, with an orbital inclination of 80.26° and orbital period of 102.14 minutes. The launch marked the first successful flight of the Naro-1, which had previously failed to launch STSat-2A in 2009 and STSat-2B in 2010.[6]

References
  1. Bergin, Chris (30 January 2013). "South Korea launch STSat-2C via KSLV-1". NASASpaceFlight.com. Retrieved 30 January 2013.
  2. "STSat 2C Satellite details 2013-003A NORAD 39068". N2YO.com. 18 November 2019. Retrieved 18 November 2019.
  3. "STSat 2C Satellite details 2013-003A NORAD 39068". N2YO.com. 31 October 2013. Retrieved 31 October 2013.
  4. Krebs, Gunter. "STSAT-2C". Gunter's Space Page. Retrieved 30 January 2013.
  5. "Display: STSat 2C 2013-003A". NASA. 10 February 2021. Retrieved 2 March 2021. Public Domain This article incorporates text from this source, which is in the public domain.
  6. Zak, Anatoly. "KSLV-1 launch vehicle". RussianSpaceWeb.com. Retrieved 30 January 2013.
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