| ST-2 | |
| Mission Type: | Communications |
| Operator: | Singapore Telecom Chunghwa Telecom |
| Cospar Id: | 2011-022B |
| Satcat: | 37606 |
| Mission Duration: | 15 years |
| Spacecraft Bus: | DS-2000 |
| Manufacturer: | Mitsubishi Electric |
| Launch Mass: | 5090kg (11,220lb) |
| Launch Date: | UTC[1] |
| Launch Rocket: | Ariane 5ECA VA202 |
| Launch Site: | Kourou ELA-3 |
| Launch Contractor: | Arianespace |
| Orbit Epoch: | 29 October 2013, 17:11:17 UTC[2] |
| Orbit Reference: | Geocentric |
| Orbit Regime: | Geostationary |
| Orbit Periapsis: | 35785km (22,236miles) |
| Orbit Apoapsis: | 35799km (22,244miles) |
| Orbit Inclination: | 0.00 degrees |
| Orbit Period: | 23.93 hours |
| Orbit Longitude: | 88° east |
| Apsis: | gee |
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. aST-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.