Mission typeCommunications
OperatorSingapore Telecom
Chunghwa Telecom
COSPAR ID2011-022B Edit this at Wikidata
SATCAT no.37606
Mission duration15 years
Spacecraft properties
ManufacturerMitsubishi Electric
Launch mass5,090 kilograms (11,220 lb)
Start of mission
Launch date20 May 2011, 20:38 (2011-05-20UTC20:38Z) UTC[1]
RocketAriane 5ECA VA202
Launch siteKourou ELA-3
Orbital parameters
Reference systemGeocentric
Longitude88° east
Perigee altitude35,785 kilometres (22,236 mi)
Apogee altitude35,799 kilometres (22,244 mi)
Inclination0.00 degrees
Period23.93 hours
Epoch29 October 2013, 17:11:17 UTC[2]

ST-2 is a telecommunications satellite made by Mitsubishi Electric. It was launched on May 20, 2011 atop an Ariane 5 ECA rocket from ESA's Guiana Space Centre in a dual-launch mission with GSAT-8. a ST-2 is a replacement for the ST-1 satellite. It is built around the DS2000 spacecraft bus. It is in geosynchronous orbit at 88 deg. East, and is operated by the ST-2 Satellite Ventures joint company of Singapore Telecommunications(SingTel) and Chunghwa Telecom. It provides relay services over the Middle East, Central Asia, India and Southeast Asia.


  1. ^ McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 30 October 2013.
  2. ^ "ST 2 Satellite details 2011-022B NORAD 37606". N2YO. 29 October 2013. Retrieved 30 October 2013.