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Satellite:
Sentinel-3A
Satellite details
Acronym
Sentinel-3A
Full name
Sentinel-3A
Satellite Description
1st flight unit of the Sentinel-3 programme.
Main mission: ocean and land observation.
Substantial contribution to Solid Earth (topography).
Mass at launch
1250 kg
Dry mass
1150 kg
Power
2300 W
Data access link
https://navigator.eumetsat.int/search?query=sentinel-3A
Data access information
Description of data services at
https://www.eumetsat.int/website/home/Satellites/CurrentSatellites/Sentinel3/index.html
Product delivery timeliness may be:
Near-Real-Time (NRT): < 3 h from sensing
Short Time Critical (STC): < 48 h from sensing
Non-Time Critical (NTC): < 1 month from sensing.
NRT Marine products are distributed by EUMETSAT by EUMETCast and via the Copernicus Online Data Access.
Orbit
Sunsynchronous orbit
Altitude
814.5 km
ECT
10:00 desc
Space agency
ESA
, EC , EUMETSAT
Status
Operational
Details on Status (as
available)
Sentinel-3A operations were transferred from ESA to EUMETSAT on 13 July 2016.
Launch
16 Feb 2016
EOL
≥2023
Last update:
2020-08-21
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-3A
Acronym
Full name
DORIS
Doppler Orbitography and Radiopositioning Integrated by Satellite
GPS
GPS Receiver
LRR
Laser Retro-Reflector
MWR
Micro-Wave Radiometer
OLCI
Ocean and Land Colour Imager
SLSTR
Sea and Land Surface Temperature Radiometer
SRAL
Synthetic aperture Radar Altimeter
Show instrument status and calibration
Satellite payload
All known instruments flying on
Sentinel-3A
* The information in this field is estimated or assumed
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
Raw Data
S-E
8095 MHz
140MG1D
140000 kHz
RHCP
D
260000/280000 kbps
Raw data downlink
Raw Data
S-E
8260 MHz
140MG1D
140000 kHz
RHCP
D
260000/280000 kbps
Raw data downlink
DORIS
E-S
401.25 MHz
23K0G1D
23 kHz
RHCP
D
4 kbps
Precise positioning by DORIS
DORIS
E-S
2036.25 MHz
95K0G1D
95 kHz
RHCP
D
4 kbps
Precise positioning by DORIS
TC
E-S
2075.65 MHz
768KG2D
768 kHz
RHCP
D
64 kbps
Telecommands
TM
S-E
2254.1 MHz
2M20G1D
2200 kHz
RHCP
D
2000 kbps
High Data Rate Telemetry
SRAL
active
5410 MHz
320000.0 kHz
-
A
C-band radar altimeter
SRAL
active
13575 MHz
350000.0 kHz
-
A
Ku-band radar altimeter
MWR
passive
23800 MHz
400000.0 kHz
-
A
Water vapour channel (supporting altimeter)
MWR
passive
36500 MHz
1000000.0 kHz
-
A
Window channel (supporting altimeter)