WMO OSCAR | Satellite: SMOS

Satellite: SMOS

Satellite details

Acronym	SMOS
Full name	Soil Moisture and Ocean Salinity
WIGOS Station Identifier	---
Satellite Description	Single flight unit of the SMOS programme. Main missions: sea surface salinity and soil moisture. Contribution to space weather
Mass at launch	658 kg	Dry mass	630 kg
Power	685 W
Data access link	https://smos-ds-02.eo.esa.int/oads/access/
Data access information	Data available through the user service of ESA/ESRIN in Frascati.
Orbit	Sunsynchronous orbit	Altitude	755 km
ECT	06:00 asc

Space agency	ESA , CDTI, CNES
Status	Operational
Details on Status (as available)
Launch	02 Nov 2009	EOL	≥2028
Last update:	2025-03-24

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 SMOS

Acronym	Full name
GPS	GPS Receiver
MIRAS	Microwave Imaging Radiometer using Aperture Synthesis
STA	Star Tracker Assembly

Satellite payload

All known instruments flying on SMOS

Instrument	Full name	Start date	EOL date	Status	Instrument calibration
GPS	GPS Receiver	21 Feb 2010	≥2028 *	Active	earth.esa.int
MIRAS	Microwave Imaging Radiometer using Aperture Synthesis	21 Feb 2010	≥2028 *	Active	earth.esa.int
STA	Star Tracker Assembly	21 Feb 2010	≥2028 *	Active	earth.esa.int

* The information in this field is estimated or assumed

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
MIRAS	passive	1.4135 GHz	19 MHz	H&V	Forward looking interferometric radiometer