Home : Missions : Navigation : IRNSS - Indian Regional Navigation Satellite System : SALIENT FEATURES OF IRNSS 1I
Last updated on: 12-April-2018
SALIENT FEATURES OF IRNSS 1I
| Mission | Navigation Satellite |
| Payload |
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| Orbit / location | Geo-synchronous orbit / 550 East longitude Inclination 290 |
| Mission life | >10 years |
| Platform | I-1K |
| Cuboid Size | 1.800 x 1.626 x 1.743 metre cuboid |
| Dry Mass | 596.09 Kg |
| Lift - off Mass | 1425.18 Kg |
| Power | 1671 W Two sided array - each array with one panels of size 2.15 m x 1.8 m -populated with multi-junction solar cells ; 1 x 90 Ah Li Ion battery |
| Control System | Zero momentum biased system with AOCE, star sensors, sun sensors, reaction wheels (tetrahedral configuration), magnetic torquers and thrusters |
| Propulsion System | Bipropellant system with 12 thrusters configuration - all 22N thrusters and one 440N Liquid Apogee Motor (LAM) 390 litres propellant tanks - 2 nos. & 67 litre CFRP overwrap Titanium liner pressurant tank - 1 no. |
| TTC System | CCSDS Type C-band Telemetry, Tracking & Command Systems |
| Special Features /New Technologies |
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| Launch | IRNSS 1I launch on April 12th 2018 onboard PSLV C41 |