India’s ISRO has begun countdown for the launch of PSLV-C18/Megha-Tropiques mission, at Satish Dhawan Space Centre(SDSC) – SHAR, Sriharikota on Wednesday morning. It is scheduled to be lifted off at 11:00 hrs (IST) on Wednesday, October 12, 2011.
The 50 hour countdown commenced at 09:00 hours today (October 10, 2011). During the Countdown, propellant-filling operations of the liquid propellant second stage (PS2) and fourth stage (PS4) of the launch vehicle will be carried out.
Mandatory checks on the launch vehicle and spacecraft including charging of batteries and pressurisation of propellant tanks will be performed. Readiness of various ground systems such as tracking radar systems and communication networks will also be checked.
PSLV-C18 will inject Megha-Tropiques satellite into an orbit of 867 km altitude at an inclination of 20 deg with respect to equator. PSLV will also inject SRMSat from SRM University, Chennai, JUGNU from Indian Institute of Technology, Kanpur and Vesselsat-1 from Luxembourg.