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Sentinel-2A

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Title: Sentinel-2A  
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Sentinel-2A

Sentinel-2A
Model of a Sentinel 2 satellite
Mission type Earth observation
Operator ESA
COSPAR ID 2015-028A
SATCAT № 40697
Website Sentinel-2 (ESA)
Mission duration 7 years planned[1]
Spacecraft properties
Spacecraft type Sentinel-2
Manufacturer Airbus Defense and Space
Launch mass 1,140 kg (2,510 lb)
Dry mass 1,017 kg (2,242 lb)
Dimensions 3.4 m × 1.8 m × 2.35 m (11.2 ft × 5.9 ft × 7.7 ft)
Power 1700 watts
Start of mission
Launch date 23 June 2015, 01:51:58 UTC[2]
Rocket Vega
Launch site Kourou ELV
Contractor Arianespace
Orbital parameters
Reference system Geocentric
Regime Sun-synchronous
Apogee 786 km (488 mi)[3]
Inclination 98.58 degrees
Period 100.6 minutes
Repeat interval 12 days
Epoch planned
Transponders
Band S Band (TT&C support)
X Band and Optical laser through EDRS (data acquisition)
Bandwidth 64 kbit/s upload (S Band)
128 kbit/s - 2 Mbit/s down (S Band)
520Mbit/s down (X Band/Optical)
Instruments
Multi-spectral Imager (MSI)

Sentinel-2A is a European optical imaging satellite launched in 2015. It is the first Sentinel-2 satellite launched as part of the European Space Agency's Copernicus programme. The satellite carries a wide swath high-resolution multispectral imager with 13 spectral bands. It will perform terrestrial observations in support of services such as forest monitoring, land cover changes detection, and natural disaster management.[4]

Contents

  • Mission history 1
    • Launch 1.1
  • References 2
  • External links 3

Mission history

Launch

Sentinel 2A was launched on 23 June 2015 by a Vega rocket at 01:52 GMT (03:52 CEST). The satellite separated from the upper stage 54 min 43 s after liftoff.[5]

References

  1. ^ "Sentinel-2 facts & figures" (PDF).  
  2. ^ "Second Copernicus environmental satellite safely in orbit".  
  3. ^ "Copernicus: Sentinel-2 — The Optical Imaging Mission for Land Services".  
  4. ^ [Sentinel-2A: Satellite blasts off to provide new, improved view of Earth "Sentinel-2A: Satellite blasts off to provide new, improved view of Earth"] . International Business Times. Retrieved 24 June 2015. 
  5. ^ "Sentinel-2A satellite launched from Kourou". RT In motion. Retrieved 24 June 2015. 

External links

  • Sentinel-2 at ESA – Sentinel Online
  • Sentinel-2 at ESA – about us
  • Sentinel-2 Scientific Data Hub – ESA
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