Telkom-3S
| Company type | Communications satellite |
|---|---|
| Industry | Satellite communications |
| Founded | February 14, 2017 |
| Founder | Thales Alenia Space |
| Headquarters | Indonesia |
Area served | Indonesia, Southeast Asia, Malaysia |
| Products | Satellite communication services (C-Band, Extended C-Band, Ku-Band transponders) |
| Parent | Telkom Indonesia |
Telkom-3S is a geostationary communications satellite from Indonesia, launched on 14 February 2017 at 21:39 UTC. It was deployed to succeed Telkom-3, which was lost due to a launch failure on 6 August 2012. Built by Thales Alenia Space utilizing the Spacebus-4000B2 platform, Telkom-3S is designed for a mission lifespan of 16 years and operates in geostationary orbit positioned at 118° East longitude.
This satellite is outfitted with 42 transponders in total: 24 C-Band, 8 Extended C-Band, and 10 Ku-Band units, delivering coverage over Indonesia, Southeast Asia, and Malaysia. Its launch was conducted by an Ariane 5ECA vehicle from the Guiana Space Centre located in Kourou, under the agreement with Arianespace. Telkom-3S commenced operational service on 17 April 2017, enhancing Telkom Indonesia's communications network and supporting growth within regional markets.
Satellite description
Telkom-3S contains a payload of 24 C-Band transponders, complemented by 8 extended C-Band and 10 Ku-Band transponders. The C-band transponders provide service coverage for Indonesia and Southeast Asia, while the extended C-band targets Indonesia along with certain areas of Malaysia. The Ku-band segment is dedicated solely to Indonesian territory. This satellite facilitates high-definition television (HDTV), mobile communication networks, and internet connectivity services.