BackForward Satellite: OceanSat-1 (IRS-P4) 

Satellite details
Acronym OceanSat-1 (IRS-P4)
Full name Satellite for the Ocean - 1
WIGOS Station Identifier ---
Satellite Description
  • 1st flight unit of the OceanSat programme, originally named IRS-P4.
  • Main mission: ocean observation.
Mass at launch 1050 kg Dry mass
Power 750 W
Data access link no link provided
Data access information
  • Off-line data are distributed by the National Remote Sensing Center (NRSC) in Hyderabad. Web site:
Orbit Sunsynchronous orbit Altitude 723 km
ECT 12:00 desc


Space agency ISRO
Status Inactive
Details on Status
(as available)
Launch 26 May 1999 EOL 08 Aug 2010
Last update: 2019-10-29
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 OceanSat-1 (IRS-P4)

Acronym Full name
MSMR Multi-frequency Scanning Microwave Radiometer
OCM Ocean Color Monitor
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
MSMR passive 6.6 GHz 350 MHz H&V Window channel
MSMR passive 10.65 GHz 100 MHz H&V Window channel
MSMR passive 18 GHz 200 MHz H&V Window channel
MSMR passive 21 GHz 400 MHz H&V Water vapour channel