CHENNAI, May 18: The PSLV-C2 carrying IRS-P4 will be launched from Sriharikota on May 26 in the presence of Prime Minister Vajaypee. Besides the Oceansat, which will be placed in a polar sun synchronous circular orbit of 720 kms exclusively for ocean research,the PSLV-C2 will carry the Korean satellite Kitsat and German Tubsat as auxillary payloads.