French
DeutschVNREDSat-1
| Mission type | Earth observation |
|---|---|
| Operator | VAST |
| COSPAR ID | 2013-021B |
| SATCAT no. | 39160 |
| Mission duration | 5 years |
| Spacecraft properties | |
| Manufacturer | EADS Astrium |
| Launch mass | 120 kilograms (260 lb) |
| Start of mission | |
| Launch date | 7 May 2013, 02:06:31 UTC |
| Rocket | Vega flight VV02 |
| Launch site | Kourou ELA-1 |
| Contractor | Arianespace |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Sun-synchronous |
| Perigee altitude | 690 kilometres (430 mi)[1] |
| Apogee altitude | 691 kilometres (429 mi)[1] |
| Inclination | 98.16 degrees[1] |
| Period | 98.43 minutes[1] |
| Epoch | 25 January 2015, 05:27:58 UTC[1] |
VNREDSat-1 (short for Vietnam Natural Resources, Environment and Disaster Monitoring Satellite, also VNREDSat-1A)[2] 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.[3]
Satellite
[edit]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.[4]
Launch
[edit]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.[5][6]
References
[edit]- ^ a b c d e "VNREDSAT 1 Satellite details 2013-021B NORAD 39160". N2YO. 25 January 2015. Retrieved 25 January 2015.
- ^ 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" (PDF). APRSAF. Retrieved 2013-01-07.
- ^ "Earth observation optical satellite system for Vietnam". EADS Astrium. 2012-03-08. Archived from the original on 2014-01-07. 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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