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VNREDSat-1

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First optical Earth Observing satellite of Vietnam
VNREDSat 1A
Mission typeEarth observation
OperatorVAST
COSPAR ID2013-021B Edit this at Wikidata
SATCAT no.39160
Mission duration5 years
Spacecraft properties
ManufacturerEADS Astrium
Launch mass120 kilograms (260 lb)
Start of mission
Launch date7 May 2013, 02:06:31 (2013-05-07UTC02:06:31Z) UTC
RocketVega flight VV02
Launch siteKourou ELA-1
ContractorArianespace
Orbital parameters
Reference systemGeocentric
RegimeSun-synchronous
Perigee altitude690 kilometres (430 mi)
Apogee altitude691 kilometres (429 mi)
Inclination98.16 degrees
Period98.43 minutes
Epoch25 January 2015, 05:27:58 UTC

VNREDSat-1 (short for Vietnam Natural Resources, Environment and Disaster Monitoring Satellite, also VNREDSat-1A) is the first optical Earth Observing satellite of Vietnam; its primary mission is to monitor and study the effects of climate change, predict and take measures to prevent natural disasters, and optimise the management of Vietnam's natural resources.

Satellite

The VNREDSat-1 was built in Toulouse by EADS Astrium. During the project 15 Vietnamese engineers were integrated and trained by the Astrium team. The VNREDSat-1 system is based on the Astrium operational AstroSat100 satellite, used for the SSOT programme developed with Chile or the ALSAT-2 satellite system developed with Algeria. The 120 kg satellite will image at 2.5 m in panchromatic mode and 10 m in multi-spectral mode (four bands) with a 17.5 km swath, and will orbit at 600–700 km in a Sun-synchronous orbit.

Launch

The satellite was launched from ELV at the Guiana Space Centre by the Vega VV02 rocket at 02:06:31 UTC on 7 May 2013 together with the PROBA-V and ESTCube-1 satellites.

References

  1. ^ "VNREDSAT 1 Satellite details 2013-021B NORAD 39160". N2YO. 25 January 2015. Retrieved 25 January 2015.
  2. Gunter Dirk Krebs (2012-03-04). "VNREDSat 1a". Gunter's Space Page. Retrieved 2013-01-09.
  3. Tran Manh Tuan. "Space Technology in Vietnam: 2008 Country Report" (PDF). APRSAF. Retrieved 2013-01-07.
  4. "Earth observation optical satellite system for Vietnam". EADS Astrium. 2012-03-08. Archived from the original on 2014-01-07. Retrieved 2013-01-07.
  5. "Arianespace to launch VNREDSat-1A built by Astrium for Vietnam". Arianespace. 2013-01-04. Retrieved 2013-01-07.
  6. Stephen Clark (2013-01-04). "Vietnamese satellite booked for second Vega launch". Spaceflight now. Retrieved 2013-01-09.
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