EOS-04

EOS-04
EOS-04 Satellite
NamesRadar Imaging Satellite-1A
Mission typeImaging radar
OperatorISRO
COSPAR ID2022-013A
SATCAT no.51656
Websitewww.isro.gov.in/launcher/pslv-c52-eos-04-mission
Mission duration10 years (planned)
3 years, 4 months, 6 days (in progress)
Spacecraft properties
SpacecraftEOS-04
ManufacturerIndian Space Research Organisation
Launch mass1,710 kg (3,770 lb)
Power2280 watts
Start of mission
Launch date14 February 2022, 00:29 UTC
RocketPSLV-C52
Launch siteSatish Dhawan Space Centre, First Launch Pad (FLP)
ContractorIndian Space Research Organisation
Orbital parameters
Reference systemGeocentric orbit
RegimeSun-synchronous orbit
Perigee altitude526.7 km (327.3 mi)
Apogee altitude543.4 km (337.7 mi)
Inclination97.6°
Period95.2 minutes
Instruments
Synthetic Aperture Radar (C-band) (SAR-C)

EOS-04 or Earth Observation Satellite - 04 (formerly known as RISAT-1A) is an Indian Space Research Organisation Radar Imaging Satellite designed to provide high-quality images under all weather conditions for applications such as Agriculture, Forestry & Plantations, Soil Moisture & Hydrology and Flood mapping. It is a follow on to RISAT-1 satellite with similar configuration. The satellite is developed by the ISRO and it is the sixth in a series of RISAT satellites.