ISRO

Updates

Nov 26, 2014

  • The health of IRNSS -1C spacecraft is normal. All the subsystems are functioning normally. The characterisation of navigation payloads and TTC systems were completed and the navigation information are regularly sent to the spacecraft.

Oct 20, 2014

  • The fourth orbit raising operation of IRNSS-1C is successfully completed by firing the Apogee Motor for 178 seconds, in the evening of Oct 19, 2014. The orbital parameters are: Perigee Altitude: 35647 km, Apogee Altitude: 35718 km. Orbit period: 23hr 50min 47.14sec.

Oct 19, 2014

  • The third orbit raising operation of IRNSS-1C is successfully completed by firing the Apogee Motor for 31 minutes, in the evening of Oct 18, 2014. The orbital parameters are: Perigee Altitude: 30853 km, Apogee Altitude: 35647 km. Orbit period: 21hr 48min 31.76sec.

Oct 18, 2014

  • The second orbit raising operation of IRNSS-1C is successfully completed by firing the Apogee Motor for 23 minutes, in the evening of Oct 17, 2014. The orbital parameters are: Perigee Altitude: 7187 km, Apogee Altitude: 35634 km. Orbit period: 12hr 48min 22.4sec.

Oct 17, 2014

  • The first orbit raising operation of IRNSS-1C is successfully completed by firing the Apogee Motor for 20 minutes, in the early morning of Oct 17, 2014. The orbital parameters are: Perigee Altitude: 320.5 km, Apogee Altitude: 35732.4 km

Oct 16, 2014

  • PSLV-C26 successfully launches IRNSS-1C on Oct 16, 2014 from Sriharikota
  • Lift-Off Normal
  • Automatic Launch Sequence initiated
  • Vehicle Director's authorisation for start of automatic launch sequence given

Oct 15, 2014

  • MST withdrawal to parking end is completed by 21:05 hrs (IST)
  • UH25 Propellant filling operation of Second Stage (PS2) has been completed.
  • Nitrogen Tetroxide (N2O4) Propellant filling operation of Second Stage (PS2) is completed.
  • Countdown activity is progressing normally. Mobile Service Tower (MST) withdrawal upto 50 m is completed.
  • Nitrogen Tetroxide (N2O4) Propellant filling operation of Second Stage (PS2) has commenced.

Oct 14, 2014

  • Countdown activity is progressing normally.

Oct 13, 2014

  • All the planned propellant filling operations for today (PS4 & PS1 RCT) have been completed.
  • Propellant (Oxidiser) (MON-3) filling of Reaction Control Thrusters (RCT) of First Stage (PS1) is completed.
  • Mixed Oxides of Nitrogen (Oxidiser), (MON-3) Propellant filling operation of Fourth Stage (PS4) of PSLV-C26 is completed.
  • Propellant (MMH) filling of Reaction Control Thrusters (RCT) of First Stage (PS1) is completed.
  • Propellant (MMH) filling of Reaction Control Thrusters (RCT) of First Stage (PS1) has commenced.
  • Mono-Methyl Hydrazine (MMH) Propellant filling operation of Fourth Stage (PS4) of PSLV-C26 is completed.
  • Mono-Methyl Hydrazine (MMH) Propellant filling operation of Fourth Stage (PS4) of PSLV-C26 has commenced.
  • The 67 hr countdown of PSLV-C26 / IRNSS-1C Mission commenced at 06:32 hr (IST) today, Oct 13, 2014.

Oct 12, 2014

  • Launch Authorisation Board has authorised the launch of PSLV-C26 / IRNSS-1C with 67 hr countdown to commence from 06:32 hrs (IST) on Oct 13, 2014