| Mission type | Communications |
|---|---|
| Operator | Telkom Indonesia |
| COSPAR ID | 2017-007A |
| SATCAT no. | 41944 |
| Website | https://www.telkom.co.id/sites |
| Mission duration | 16 years (planned) 6 years, 11 months and 30 days (in progress) |
| Spacecraft properties | |
| Spacecraft | Telkom-3S |
| Spacecraft type | Spacebus |
| Bus | Spacebus-4000B2 |
| Manufacturer | Thales Alenia Space |
| Launch mass | 3,550 kg (7,830 lb) |
| Dimensions | 1.8 m x 2.95 m x 2.86 m |
| Power | 6.4 kW |
| Start of mission | |
| Launch date | 14 February 2017, 21:39 UTC |
| Rocket | Ariane 5ECA (VA235) |
| Launch site | Centre Spatial Guyanais, Kourou, ELA-3 |
| Contractor | Arianespace |
| Entered service | 17 April 2017 |
| Orbital parameters | |
| Reference system | Geocentric orbit[1] |
| Regime | Geostationary orbit |
| Longitude | 118° East |
| Transponders | |
| Band | 42 transponders: 24 C-Band 8 Extended C-Band 10 Ku-Band |
| Coverage area | Indonesia, Southeast Asia, Malaysia |
Telkom-3S is an Indonesian geostationary communications satellite built as a replacement of Telkom-3 that was lost due to a launch failure on 6 August 2012.[2] Telkom-3S was successfully launched on 14 February 2017, at 21:39 UTC[3] and commissioned into service on 17 April 2017.[4]
