ST-2

Spacecraft n°:

Singapore spacecraft n°: 3

Launch data: Designation  37606 / 11022B Launch date  20 May 2011 - 20:38 UT Launch site  Ko, ELA-3 Launch vehicle  Ariane-5ECA (L559) Mission  Commercial: Communication Geostationary orbit: Perigee / Apogee  35783 x 35791 km Eccentricity  9.49E-05 Inclination  0.02 deg Period  1436.12 min

Mission details:

• Will replace ST1. Six antennas, 41 Ku-band tarnsponders and 10 C-band transponders.
• The Singapore-Taiwan 2 communications satellite was launched by an Ariane 5ECA on May 20, 2011 together with the smaller Indian GSAT-8 satellite. ST-2 is owned by ST-2 Satellite Ventures of Singapore, which is in turn jointly owned by Singapore Telecom Ltd. of Singapore and Chunghwa Telecom Co. of Taipei. ST-2 will replace ST-1, launched in 1998, and has both C and Ku band communications payloads.
• The Ariane 5 serial number L559 vehicle was launched on flight VA202 from Kourou, injecting the core stage into a -997 x 188 km x 6.8 deg transfer orbit (falling into the Atlantic) and the ESC-A upper stage into a 232 x 35650 km x 2.2 deg geostationary transfer orbit. ST-2 and GSAT-8 separated 27 and 31 minutes after launch respectively.