BackForward Satellite: OceanSat-1 (IRS-P4) 

Satellite details
Acronym OceanSat-1 (IRS-P4)
Full name Satellite for the Ocean - 1
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
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
MSMR passive 6600 MHz 350000  kHz H&V A   Window channel
MSMR passive 10650 MHz 100000  kHz H&V A   Window channel
MSMR passive 18000 MHz 200000  kHz H&V A   Window channel
MSMR passive 21000 MHz 400000  kHz H&V A   Water vapour channel