Bhaskara-II Satellite (First Indian low orbit Earth Observation Satellite)
Launch Date : Nov. 20, 1981
Weight : 444 Kg
Orbit : 619 x 562 km inclined at 50.7 deg
Lauched by : Soviet Intercosmos rocket.
- Television Cameras operating in visible (0.6 micron) and near-infrared (0.8 micron); to collect data related to hydrology, forestry and geology.
- Satellite microwave radiometer (SAMIR) operating 19.24 GHz, 22.235 GHz and 31.4 GHz for
study of ocean-state, water vapor, liquid water content in the atmospher, etc.