BackForward Satellite: Sentinel-1A 

Satellite details
Acronym Sentinel-1A
Full name Sentinel-1A
WIGOS Station Identifier ---
Satellite Description
  • 1st flight unit of the Sentinel-1 programme, providing SAR observation.
  • Main mission: all-weather ocean and land high resolution┬ámulti-purpose observation.
Mass at launch 2300 kg Dry mass 2146 kg
Power 4800 W
Data access link
Data access information
  • Data available from centres of the Payload Data Ground Segment (PDGS).
  • Real-time availability possible at appointed X-band stations.
Orbit Sunsynchronous orbit Altitude 693 km
ECT 06:00 desc


Space agency ESAEC
Status Operational
Details on Status
(as available)
Launch 03 Apr 2014 EOL ≥2024
Last update: 2023-12-21
Associated satellite programme and related satellites

Note: red tag: no longer operational , green tag: operational , blue tag : future

Satellite Payload

All known Instruments flying on Sentinel-1A

Acronym Full name
SAR-C Synthetic Aperture Radar (C-band)
Show instrument status and calibration
Satellite frequencies for Earth Observation, data transfer and platform communications and control
Earth observation MW frequencies
Service Sensing mode Frequency (GHz) Bandwidth (MHz) Polarisation Comments
SAR-C active 5.405 GHz 100 MHz - C-band SAR