Sentinel-1
Model of a Sentinel-1 (radar antenna missing) | |||
| Manufacturer |
| ||
|---|---|---|---|
| Country of origin | European Union | ||
| Operator | European Space Agency | ||
| Applications | Land and sea monitoring, natural disasters mapping, sea ice observations, ships detection | ||
| Specifications | |||
| Spacecraft type | Satellite | ||
| Constellation | Active: 2 | ||
| 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) | ||
| Batteries | 324 Ah | ||
| Design life | 7 years (12 years of consumables) | ||
| Production | |||
| Status | Active | ||
| On order | 0 | ||
| Built | 4 | ||
| Launched | 4 | ||
| Operational | 3 | ||
| Retired | 1 | ||
| Maiden launch | Sentinel-1A (3 April 2014) | ||
| Last launch | Sentinel-1D (4 November 2025) | ||
| Related spacecraft | |||
| Subsatellite of | Copernicus Programme | ||
| |||
Sentinel-1 is the first of the Copernicus Programme satellite constellations for Earth observation operated by the European Space Agency (ESA). Data collected via the satellites are used e.g. for marine and land monitoring, emergency response to environmental disasters, and economic applications.