IRS-P4

India

International Sat. n°:

Indian satellite n°: 29

Also called OceanSat 1

Launch data:

Designation	25758 / 99029C
Launch date	26 May 1999 - 6:22 UT
Launch site	Sriharikota
Launch vehicle:	PSLV-C2(#5)
Mission	Government: Remote sensing - ocean study
Sun-Synchronous LEO Earth orbit:
Perigee / Apogee	716 x 739 km
Eccentricity	1,62E-03
Inclination	98.3 deg
Period	99.34 min

A 107 kg piggybacked payload from Korea (KITSAT-3) and a 45 kg payload from Germany (TUBSAT-C) where launched with IRS-P4.

Specifications

Prime contractor	Indian Space Research Organization (ISRO)
Platform
Operator	ISRO
Mass at launch	1048 kg
Mass in orbit
Dimension	2.8 x 1.98 x 2.57 m
Solar array
Stabilization	3-axis
DC power	750 W
Design lifetime	5 years

Multi-Channel Microwave Radio Meter

Will provide information about sea surface temperatures, wind speed and water vapour, all conducive for fisheries forecasts. Swath 1360 km, Frequencies: 6.6, 10.65, 18 & 21 GHz

Ocean Colour Monitor

Oceanography and charting of India's ocean resources.
Will measure sea temperatures even up to 1 to 2 kelvins identifying them with colours with the help of 8 spectral bands (400 to 885 nm). Swath 1420 km

Ref:#7, #15, #102(SL33), #120, #226 - update: 17.03.11