SENTlNEL-1
C-SAR (C-Band Synthetic Aperture Radar)
Imaging microwave radars
LAUNCH DATE
Sentinel-1A – April 3, 2014
Sentinel-1B – April 25, 2016
MISSION PARAMETERS
Cycle Days: 12
Orbit Type: Sun-synchronous
Orbit Altitude: 693 km
Orbit Period: 98.6 min
INSTRUMENT PARAMETERS
Bands: C
Swath: 80 km, 250 km, 400 km
Spatial Resolution: 5m, 20m, 40m
Temporal Resolution: 6 days
Radiometric Resolution: –
Frequency: 5.405 GHz
Antenna look direction: Right
DATA PRODUCTS
L0(raw data)
L1(SLC-single look complex) L1(GRD-ground range detected) L2(OCN- ocean physics parameters)
ACQUISITION MODES
Stripmap (SM)
Interferometric Wide swath (IW)
Extra-Wide swath (EW)
Wave mode (WV).
SENTINEL-2
Multispectral Instrument
High resolution optical imagers
LAUNCH DATE
Sentinel-2A– June 23, 2015
Sentinel-2B– March 7, 2017
MISSION PARAMETERS
Cycle Days: 10
Orbit Type: Sun-synchronous
Orbit Altitude: 786 km
Orbit Period: 100.6 min
INSTRUMENT PARAMETERS
Bands: 13
Swath: 290 km
Spatial Resolution: 10m, 20m, 60m
Temporal Resolution: 5 days
Radiometric Resolution: 12 bits
Frequency: 5.405 GHz
Antenna look direction: Nadir
DATA PRODUCTS
L1C– Top-Of-Atmosphere reflectances in cartographic geometry
L2A- Bottom-Of-Atmosphere reflectances in cartographic geometry
SENTINEL-3
OLCI-Ocean and land cover instrument
Imaging multi-spectral radiometers (VIS/IR) and ocean colour instruments
LAUNCH DATE
Sentinel-3A– April 16, 2016
Sentinel-3B– April 25, 2018
MISSION PARAMETERS
Cycle Days: 27
Orbit Type: Sun-synchronous
Orbit Altitude: 814.5 km
Orbit Period: 100.99 min
INSTRUMENT PARAMETERS
Bands: 21
Swath: 1270 km, across-track tilt 12.2 deg to the West
Spatial Resolution: 300 m, 1.2 km
Temporal Resolution: –
Radiometric Resolution: 400 nm to 1020 nm
DATA PRODUCTS
L0 & L1(TOA)
L2(BOA)
Synergy(OLCI SLSTR): SYN L1 & SYN L2
SENTINEL-3
SLSTR-Sea and Land Surface Temperature Radiometer
Imaging multi-spectral radiometers (VIS/IR)
LAUNCH DATE
Sentinel-3A– April 16, 2016
Sentinel-3B– April 25, 2018
MISSION PARAMETERS
Cycle Days: 27
Orbit Type: Sun-synchronous
Orbit Altitude: 814.5 km
Orbit Period: 100.99 min
INSTRUMENT PARAMETERS
Bands: 9
Swath: 1675 km (near-nadir view), 750km (backward view)
Spatial Resolution: 500m, 1 km
Temporal Resolution: –
Radiometric Resolution: 19.25 nm to 905 nm
Frequency: –
Antenna look direction: –
DATA PRODUCTS
L0 & L1(TOA)
L2(BOA)
Synergy(OLCI SLSTR)
SYN L1 & SYN L2
SENTINEL-3
SRAL-SAR Radar Altimeter
Radar altimeters
LAUNCH DATE
Sentinel-3A– April 16, 2016
Sentinel-3B– April 25, 2018
MISSION PARAMETERS
Cycle Days: 27
Orbit Type: Sun-synchronous
Orbit Altitude: 814.5 km
Orbit Period: 100.99 min
INSTRUMENT PARAMETERS
Bands: Ku & C
Swath: Profiling
Spatial Resolution: 300m
Temporal Resolution: –
Radiometric Resolution: –
Frequency: –
Antenna look direction: –
DATA PRODUCTS
L0, L1 & L2
SENTINEL-3
MWR-Microwave Radiometer
Microwave radiometers
LAUNCH DATE
Sentinel-3A– April 16, 2016
Sentinel-3B– April 25, 2018
MISSION PARAMETERS
Cycle Days: 27
Orbit Type: Sun-synchronous
Orbit Altitude: 814.5 km
Orbit Period: 100.99 min
INSTRUMENT PARAMETERS
Frequency: –23.8 & 36.5GHz
SENTINEL-5p
TROPOMI(TROPOspheric Monitoring Instrument)
Passive grating imaging spectrometer
LAUNCH DATE
October 13, 2017
MISSION PARAMETERS
Cycle Days: 16
Orbit Type: Sun-synchronous, nearly polar
Orbit Altitude: 824 km
Orbit Period: 17 min
INSTRUMENT PARAMETERS
Bands: UV, VIS, NIR, SWIR
Swath: 2600 Km
Spatial Resolution: 7 km x 3.5 km
Temporal Resolution: NRT (3 hrs), Offline(12 hrs, 5 days)
Radiometric Resolution: –
Frequency: UV-1: 270 – 300 nm, UV-2: 300 – 400 nm, VIS: 400 – 500 nm, NIR: 710 – 775 nm, SWIR-3: 2305 – 2385 nm
Antenna look direction: –
DATA PRODUCTS
L0– Time-ordered, raw satellite telemetry without temporal overlap, including sensor data of the 4 spectrometers, for both atmospheric and calibration measurements
L1B– geo-located and radiometrically corrected top of the atmosphere
L2– Geolocated total columns of ozone, sulfur dioxide, nitrogen dioxide, carbon monoxide, formaldehyde and methane, geolocated tropospheric columns of ozone, geolocated vertical profiles of ozone, geolocated cloud and aerosol information
SENTINEL-6A
Poseidon-4 (Poseidon-4 SAR Radar Altimeter)
Radar Altimeter
LAUNCH DATE
November 21, 2020
MISSION PARAMETERS
Cycle Days: 10
Orbit Type: Non-Sunsynchronous
Orbit Altitude: 1336 km
Orbit Period: 112.4 min
INSTRUMENT PARAMETERS
Bands: Ku & C
Swath: 300 km between tracks at equator
Spatial Resolution: –
Temporal Resolution: 10 days
Radiometric Resolution: –
Frequency: Microwave: Ku-band (13.575 GHz), C-band (5.3 GHz)
Antenna look direction: Nadir pointing
PROCESSING LEVELS
Near-real Time(NRT), Short Time Critical(STC) & Non-Time Critical(NTC)
SENTINEL-6A
AMR-C (Advanced Microwave Radiometer for Climate)
Imaging multi-spectral radiometers (passive microwave)
LAUNCH DATE
November 21, 2020
MISSION PARAMETERS
Cycle Days: 10
Orbit Type: Non-Sunsynchronous
Orbit Altitude: 1336 km
Orbit Period: 112.4 min
INSTRUMENT PARAMETERS
Bands: Microwave
Swath: Nadir-only viewing, associated to the JASON-CS radar altimeter
Spatial Resolution: – 41.6 km, 36.1km, 22.9km
Temporal Resolution: 10 days
Radiometric Resolution: –
Frequency: 18.7, 23.8 & 34 GHz
Antenna look direction: Nadir pointing
PROCESSING LEVELS
Near-real Time(NRT), Short Time Critical(STC) & Non-Time Critical(NTC)
