BackForward Satellite: Sentinel-1A 

Satellite details
Acronym Sentinel-1A
Full name Sentinel-1A
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 ≥2022
Last update: 2022-01-03
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
Telecommunication frequency or microwave sensing channel information Show expert details
Service Dir or Mode Frequency Emission designator Bandwidth Polarisation D/A Data rate or Baseband Comments
SAR-C active 5405 MHz 100000.0  kHz - A   C-band SAR