Engineering:DFS Kopernikus
DFS Kopernikus (meaning Deutscher Fernmeldesatellit Kopernikus) was the name of three geostationary satellites of Deutsche Bundespost and later Deutsche Telekom AG. They are no longer in use.
DFS Kopernicus-3
When DFS Kopernikus-3 was nearing the end of its life, SES sealed an agreement with Deutsche Telekom to use the 23.5° East position and frequencies, and in August 2001, Astra 1D was moved there.[1] The Astra 23.5°E position was officially opened in March 2002 with the launch and positioning of Astra 3A. Deutsche Telekom contracted for 10 transponders on that craft and shortly switched over all traffic from DFS Kopernikus-3.[2]
Station keeping
The orbital station-keeping manoeuvres of the satellites were conducted by the Flight Dynamics Group of the German Aerospace Center (DLR), German Space Operations Center, in Oberpfaffenhofen, Bavaria. The satellites were located at the following positions:
- DFS Kopernikus-1: 23.5° East (1989-1994), later 33.5° East (1994-2002), replaced by Astra 3A[2]
- DFS Kopernikus-2: 28.5° East (1994–2000?)
- DFS Kopernikus-3: 23.5° East (1994–2003)
- SES: ca. 80%
- DFS Kopernikus: ca. 20%
- TV-SAT 2: under 1%
See also
- Nicolaus Copernicus
- Astra 23.5°E
- Astra 3A
References
- ↑ "New position for ASTRA 1D" Advanced Television (21 August 2001) Retrieved on 17 April 2021
- ↑ 2.0 2.1 "ASTRA 3A fully operational at 23.5° East" (Press release). SES ASTRA. May 30, 2002. Retrieved January 26, 2012.
External links
- DFS Kopernikus in GSOC
- DFS Kopernikus
- ASTRA 3A
- SES fleet information and map
- SES Astra website
- Official SES trade/industry site
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