DFS Kopernikus-3

DFS Kopernikus-3
NamesDeutscher Fernmelde Satellit-3
Hellas Sat 1
Mission typeCommunications
OperatorDeutsche Bundespost → Deutsche Telekom / Hellas Sat
COSPAR ID1992-066A Edit this at Wikidata
SATCAT no.22175
Websitehttps://www.telekom.com/en
Mission duration10 years (planned)
10 years 4 months (achieved)
Spacecraft properties
BusGESAT-Bus
ManufacturerMBB
Dornier Systems
Siemens
ANT Nachrichtentechnik
Standard Elektrik Lorenz
Launch mass1,415 kg (3,120 lb)
Dry mass850 kg (1,870 lb)
Power1.5 kW
Start of mission
Launch date12 October 1992, 09:47:00 UTC
RocketDelta II 7925 (s/n D215)
Launch siteCape Canaveral, LC-17B
ContractorMcDonnell Douglas
Entered serviceDecember 1992
End of mission
DisposalGraveyard orbit
DeactivatedFebruary 2003
Orbital parameters
Reference systemGeocentric orbit[1]
RegimeGeostationary orbit
Longitude23.5° East (1992–2003)
Transponders
Band11 transponders:
10 Ku-band
1 Ka-band
Coverage areaGermany

DFS Kopernikus-3 (or Deutscher Fernmelde Satellit-3 and Hellas Sat 1) was a communications satellite operated by Deutsche Telekom.

Satellite description

The DFS Kopernikus series of satellites debuted in 1989 with the third being launched in 1992. Ordered in 1983 and produced by the GESAT consortium of MBB (flight segment prime contractor), Siemens (overall prime contractor), ANT Nachrichtentechnik (payload), Standard Elektrik Lorenz (digital switching equipment), and Dornier Systems (ground control system), DFS spacecraft are smaller than TV-Sat: on-station mass is 850 kg with a 15.4 m solar array span providing up to 1.5 kW of electrical power. The satellite also used a propulsion system S400.[2]

The communications payload includes ten 14/11-12 GHz transponders with five spares and one experimental 30/20 GHz transponder with one spare. At the end of 1994, DFS 1-3 were stationed at 33.5° East, 28.5° East, and 23.5° East, respectively. Like TV-Sat, the DFS Kopernikus series has been concluded.

Hellas Sat 1

DFS 3 was leased to the Greek company Hellas Sat in 2002 as a stop-gap measure. It was retired in February 2003.

Launch

DFS-Kopernikus 3 was launched by a Delta II launch vehicle from Cape Canaveral Air Force Station (CCAFS), Florida, United States, at 09:47:00 UTC on 12 October 1992.[3]

See also

References

  1. ^ "HELLAS SAT 1 (DFS 3)". N2YO.com. Retrieved 17 April 2021.
  2. ^ "DFS Kopernikus- 1, 2, 3 / HellasSat 1". Gunter's Space page. 21 July 2019. Retrieved 17 April 2021.
  3. ^ "Display: DFS Kopernikus-3 1992-066A". NASA. 13 April 2021. Retrieved 17 April 2021. Public Domain This article incorporates text from this source, which is in the public domain.


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