|Mission type||Earth observation|
|Mission duration||5 years|
|Launch mass||120 kilograms (260 lb)|
|Start of mission|
|Launch date||7 May 2013, 02:06:31UTC|
|Launch site||Kourou ELA-1|
|Perigee||689 kilometres (428 mi)|
|Apogee||691 kilometres (429 mi)|
|Epoch||25 July 2014, 18:57:10 UTC|
VNREDSat-1 (short for Vietnam Natural Resources, Environment and Disaster Monitoring Satellite) 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.
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.
- "VNREDSAT 1 Satellite details 2013-021B NORAD 39160". N2YO. 25 July 2014. Retrieved 26 July 2014.
- Gunter Dirk Krebs (2012-03-04). "VNREDSat 1a". Gunter's Space Page. Retrieved 2013-01-09.
- Tran Manh Tuan. "Space Technology in Vietnam: 2008 Country Report". APRSAF. Retrieved 2013-01-07.
- "Earth observation optical satellite system for Vietnam". EADS Astrium. 2012-03-08. Retrieved 2013-01-07.
- "Arianespace to launch VNREDSat-1A built by Astrium for Vietnam". Arianespace. 2013-01-04. Retrieved 2013-01-07.
- Stephen Clark (2013-01-04). "Vietnamese satellite booked for second Vega launch". Spaceflight now. Retrieved 2013-01-09.
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