The third orbit raising operation of IRNSS-1D is successfully completed by firing the Apogee Motor for 22 minutes, at 11 37 hrs IST, on March 31, 2015. The orbital parameters are: Perigee Altitude: 23881 km, Apogee Altitude: 35569 km. Orbit period: 18hr 57min.
The fourth and final orbit raising operation of IRNSS-1D is successfully completed by firing the Apogee Motor for 493 seconds, at 06 42 hrs IST, on on April 01, 2015. The orbital parameters are: Perigee Altitude: 35556 km, Apogee Altitude: 35603 km, Inclination: 30.463 degree and Orbit period: 23hr 45min .
Apr 11, 2015IRNSS-1D post launch update: Station acquisition manoeuvres for IRNSS 1D were successfully carried out.The health of IRNSS-1D spacecraft is normal.Station acquisition manoeuvres for IRNSS 1D were successfully carried out. The performance is nominal. IRNSS-1D has been positioned at its assigned orbital slot of 111.75 deg E. The orbital period is 23 hr 55 min 59 sec. In Orbit Testing of the satellite is in progress.