Back سانتنال-1 Arabic Sentinel-1 Bulgarian Sentinel-1 Catalan Sentinel-1 German Sentinel-1 Spanish Sentinel-1 Estonian سنتینل-۱ Persian Sentinel-1 French סנטינל 1 HE Sentinel–1 Hungarian
 Model of a Sentinel-1 (radar antenna missing) | |||
| Manufacturer |
| ||
|---|---|---|---|
| Operator | European Space Agency | ||
| Applications | Land and sea monitoring, natural disasters mapping, sea ice observations, ships detection | ||
| Specifications | |||
| Spacecraft type | Satellite | ||
| Constellation | Active: 1 | ||
| Launch mass | 2,300 kg (5,100 lb) | ||
| Dry mass | 2,170 kg (4,780 lb) | ||
| Dimensions | 3.9 m × 2.6 m × 2.5 m (13 ft × 8.5 ft × 8.2 ft) | ||
| Power | 5.9 kilowatts (5,900 W)[2] | ||
| Batteries | 324 Ah | ||
| Design life | 7 years (12 years of consumables) | ||
| Production | |||
| Status | Active | ||
| On order | 4 | ||
| Built | 4 | ||
| Launched | 2 | ||
| Operational | 1 | ||
| Retired | 1 | ||
| Maiden launch | Sentinel-1A (3 April 2014)[3] | ||
| Last launch | Sentinel-1B (25 April 2016) | ||
| Related spacecraft | |||
| Subsatellite of | Copernicus Programme | ||
| |||
Sentinel-1 is the first of the Copernicus Programme satellite constellations conducted by the European Space Agency.[4] The mission was originally composed of a constellation of two satellites, Sentinel-1A and Sentinel-1B, which shared the same orbital plane. Two more satellites, Sentinel-1C and Sentinel-1D are in development. Sentinel-1B was retired following a power supply issue on December 23, 2021, leaving Sentinel-1A the only satellite of the constellation currently operating.[5] Sentinel-1C is currently planned to launch in the final quarter of 2024.[6]
- ^ "Sentinel 1". Earth Online. European Space Agency. Archived from the original on 2 March 2014. Retrieved 17 August 2014.
- ^ "Sentinel 1 Datasheet" (PDF). ESA. August 2013. Retrieved 17 August 2014.
- ^ "Earth Online – Sentinel 1". European Space Agency. Archived from the original on 2 March 2014. Retrieved 3 April 2014.
- ^ "Sentinel-1". Sentinel Online. European Space Agency. Retrieved 21 March 2018.
- ^ "Mission ends for Copernicus Sentinel-1B satellite". The European Space Agency.
- ^ "Sentinel-1C". University of Twente.
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