Oceansat-1

Oceansat-1
NamesOceanSat-1
IRS-P4
Indian Remote Sensing satellite-P4
Mission typeEarth observation
Oceanography
OperatorISRO
COSPAR ID1999-029A Edit this at Wikidata
SATCAT no.25756
Websitehttps://www.isro.gov.in/
Mission duration5 years (planned)
11 years (achieved)
Spacecraft properties
SpacecraftOceanSat-1
BusIRS-1A[1]
ManufacturerIndian Space Research Organisation
Launch mass1,050 kg (2,310 lb)
Dimensions2.80 m x 1.98 m x 2.57 m
Power750 watts
Start of mission
Launch date26 May 1999, 06:22 UTC
RocketPolar Satellite Launch Vehicle, PSLV-C2
Launch siteSatish Dhawan Space Centre, First Launch Pad (FLP)
ContractorIndian Space Research Organisation
Entered serviceAugust 1999
End of mission
Deactivated8 August 2010
Orbital parameters
Reference systemGeocentric orbit[2]
RegimeSun-synchronous orbit
Perigee altitude719 km (447 mi)
Apogee altitude730 km (450 mi)
Inclination98.4°
Period99.0 minutes
Instruments
Multi-frequency Scanning microwave radiometer (MSMR)
Ocean Colour Monitor (OCM) [3]

Oceansat-1 or IRS-P4 was the first Indian satellite built primarily for ocean applications. It was a part of the Indian Remote Sensing Programme satellite series. The satellite carried an Ocean Colour Monitor (OCM) and a Multi-frequency Scanning Microwave Radiometer (MSMR) for oceanographic studies. Oceansat-1 thus vastly augment the IRS satellite system of Indian Space Research Organisation (ISRO) comprising four satellites, IRS-1B, IRS-1C, IRS-P3 and IRS-1D and extend remote sensing applications to several newer areas.[4]

  1. ^ Cite error: The named reference GSP was invoked but never defined (see the help page).
  2. ^ Cite error: The named reference Trajectory was invoked but never defined (see the help page).
  3. ^ "Ocean Colour Monitor of IRS-P4 Satellite Tested". ISRO. 3 June 1999. Retrieved 13 May 2021.
  4. ^ "Oceansat (IRS-P4)". ISRO. 26 May 1999. Retrieved 13 May 2021.