Sentinel 1
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| Operator | ESA |
|---|---|
| Mission type | Earth observation |
| Launch date | 2013 |
| Launch vehicle | Vega or Soyuz |
| Launch site | Kourou, French Guiana |
| Mass | ~2300 kg |
| Orbital elements | |
| Regime | Sun-synchronous dawn-dusk |
| Altitude | 693 km |
| Orbital period | ~96 minutes |
Sentinel-1 is a future space mission from ESA of GMES program, consisting of a constellation of two satellites. The payload of Sentinel-1 is a Synthetic Aperture Radar in C-band which provides continuous imagery (day, night and all weather).
On 12 March 2010, the European Space Agency and Thales Alenia Space signed a contract worth €270 million to build the second satellite of the Sentinel-1 pair.
A launch date in 2013 is foreseen.
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Mission characteristics [edit]
- Role: Earth Observation
- Launch date: 2013
- Launch mass: ~2300 kg
- Launcher: Vega or Soyuz
- Launch location: Kourou, French Guiana
- Orbit: Sun-synchronous dawn-dusk
- Altitude: 693 km
- Orbit cycle: ~96 minutes
- Nominal duration: 7.25 years
Instruments [edit]
Sentinel-1 spacecraft are designed to carry a single C-band SAR, data storage capacity of 1,410 Gbit and 520 Mbit/s X-band downlink capacity.
Applications [edit]
It will provide continuity of data from ERS and Envisat missions, with further enhancements in terms of revisit, coverage, timeliness and reliability of service.
A summary of applications are:
- Monitoring sea ice zones and the Arctic environment, and surveillance of marine environment.
- Monitoring land surface motion risks
- Mapping of land surfaces: forest, water and soil
- Mapping in support of humanitarian aid in crisis situations
Industrial [edit]
Prime contractor of mission is Thales Alenia Space Italy. SAR instrument will be the responsibility of Astrium Gmbh.
External links [edit]
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