Mission typeCommunication
OperatorTelkom Indonesia
COSPAR ID2017-007A
SATCAT no.41944Edit this on Wikidata
WebsiteOfficial Site
Mission duration17 years
Spacecraft properties
ManufacturerThales Alenia Space
Launch mass3,550 kilograms (7,800 lb)
Start of mission
Launch date14 February 2017, 21:39 UTC
RocketAriane 5ECA VA-235
Launch siteKourou ELA-3
Orbital parameters
Reference systemGeocentric
Longitude118° East[1]
Perigee altitude35,789.8 kilometres (22,238.8 mi)[1]
Apogee altitude35,797.3 kilometres (22,243.4 mi)[1]
Inclination0.1 degrees[1]
Period1436.1 minutes[1]
Band24 C-Band
8 Extended C-Band
10 Ku-Band

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 in 14 February 2017[3] and commissioned into service on 17 April 2017.[4]


Telkom-3S is fitted with 24 C-Band transponders, 8 extended C-Band transponders and 10 Ku-Band transponders. The C-band payload will cover Indonesia and Southeast Asia, while the extended C-band payload will cover both Indonesia and part of Malaysia. The Ku-band payload will specifically cover Indonesia. Telkom-3S will provide high-definition TV services along with mobile communications and internet applications.


  1. ^ a b c d e f "TELKOM 3S Satellite details 2017-007A NORAD 41944". N2YO. 19 April 2017. Retrieved 19 April 2017.
  2. ^ "Telkom-3S Gunter's Space Page". 2 December 2015.
  3. ^ "Arianespace orbits two digital HDTV satellites, SKY Brasil-1 and Telkom 3S, on Ariane 5's 77th successful launch in a row".
  4. ^ Wijaya, Yulius. "Peresmian Pengoperasian Satelit Telkom 3S (in Indonesian)". (in Indonesian). Antara News.