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New Delhi (PTI) May 24, 2011 The first critical orbit-raising manoeuvre of GSAT-8 was successfully conducted at 03:58 hrs (IST) this morning (May 22, 2011) with the firing of the 440 Newton Liquid Apogee Motor (LAM) on board GSAT-8 for 95 minutes by commanding the satellite from ISRO's Master Control Facility (MCF) at Hassan in Karnataka. The satellite was oriented suitably before the start of LAM operations prior to this critical manoeuvre. With this LAM operation, GSAT-8 perigee has been raised to 15,786 km. The apogee is at 35,768 km and the inclination of the orbit with respect to the equatorial plane has been reduced from 2.5 deg at the time of entering into orbit to 0.5 deg now. The present orbital period is 15 hours 56 minutes. It may be recalled that GSAT-8 was successfully launched by Ariane 5 launch vehicle yesterday (May 21, 2011) from Kourou, French Guiana. The launch vehicle placed GSAT-8 in the intended Gesynchronous Transfer Orbit (GTO) with a perigee (closest point to earth) of 258 km and apogee (farthest point to earth) of 35,861 km. All systems onboard the satellite are functioning normally.
Source: Press Trust of India
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