Optus D3
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Optus D3
Optus D3
Mission typeCommunication
SATCAT no.35756
Mission duration15 years
Spacecraft properties
ManufacturerOrbital Sciences
Launch mass2,401 kilograms (5,293 lb)
Start of mission
Launch date21 August 2009, 22:09 (2009-08-21UTC22:09Z) UTC
RocketAriane 5ECA
Launch siteKourou ELA-3
Orbital parameters
Reference systemGeocentric
Longitude156° east
Perigee altitude35,778 kilometres (22,231 mi)[1]
Apogee altitude35,808 kilometres (22,250 mi)[1]
Inclination0.05 degrees[1]
Period1436.12 minutes[1]
Epoch23 January 2015, 19:12:10 UTC[1]

Optus D3 is an Australian geostationary communications satellite, which is operated by Optus and provides communications services to Australasia. D3 was the third Optus-D satellite to be launched. It is a 2,401-kilogram (5,293 lb) satellite, which was constructed by Orbital Sciences Corporation based on the Star-2.4 satellite bus, with the same configuration as the earlier Optus D2 satellite.[2]

It was launched, along with the Japanese JCSAT-12 satellite, by Arianespace. An Ariane 5ECA rocket was used for the launch, which occurred from ELA-3 at the Guiana Space Centre in Kourou, French Guiana. The launch took place at 22:09 GMT on 21 August 2009, at the start of a 60-minute launch window.[3]

Optus D3 separated from its carrier rocket into a geosynchronous transfer orbit, from which it raised itself to geostationary orbit using an IHI -500-N apogee motor. It has a design life of fifteen years, and carries thirty two J band transponders (US IEEE Ku band).[2]

See also


  1. ^ a b c d e "OPTUS D3 Satellite details 2009-044B NORAD 35756". N2YO. 23 January 2015. Retrieved 2015.
  2. ^ a b Krebs, Gunter. "Optus D2, D3". Gunter's Space Page. Retrieved 2009.
  3. ^ "Preparations continue with the JCSAT-12 and Optus D3 payloads for Ariane 5's next launch". Mission Update. Arianespace. 12 August 2009. Retrieved 2009.

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.



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