ARSAT-3K

ARSAT-3K

ARSAT-1 while in the INVAP's clean room

ARSAT-1 in INVAP.
Manufacturer INVAP
Country of origin Argentina
Operator ARSAT S.A.
Applications Communications
Specifications
Spacecraft type Geostationary Communications satellite
Design life 15 years
Launch mass 2,900 kg (6,400 lb) to 3,000 kg (6,600 lb)
Dry mass < 1,500 kg (3,300 lb)
Payload capacity 350 kg (770 lb) and 3.5 kW[1]
Dimensions Bus without payload nor solar panels:2 m (6.6 ft) × 1.8 m (5.9 ft) × 2.9 m (9.5 ft)
Span with solar panels deployed: (16.5 m (54 ft)
Power 4.2 kW (end of life)
Equipment Ku band, Ka band and C Band payloads.
Regime Geostationary
Production
Status In Production
Built 2
On order 3
Launched 2
Operational 1
First launch 16 October 2014, 21:43 (2014-10-16UTC21:43Z) UTC, ARSAT-1

ARSAT-3K is a geostationary communications satellite bus designed and manufactured by INVAP of Argentina for the local telecommunication company ARSAT S.A..[2][3] It is a small (4.2 kW of power generation and 3,000 kg (6,600 lb) of launch mass) three axis stabilized platform designed, manufactured and tested completely in Argentina.[4][5] It is capable of carrying up to 350 kg (770 lb) of payload with a maximum power consumption of 3.4 kW at the end of life. It currently uses only chemical propulsion, but an hybrid solution which would use bi-propellant propulsion for orbit raising and electric propulsion for station keeping is being developed. A purely electric propulsion version is planned.[6]

Platform Versions

ARSAT-3K

The ARSAT-3K is the initial version of this bus. It is comparable to the Thales Alenia Space Spacebus 3000B2. It uses an integrated chemical propulsion system supplied by EADS Astrium for both orbit raising and station keeping.[7]

ARSAT-3H

The ARSAT-3H is the second version of this bus, which initiated its development during 2015. It will use an hybrid approach with bi-propellant propulsion for orbit raising and electric propulsion for station keeping.[8]

It will keep the launch mass of 3 t (6,600 lb), but have enhanced capabilities, being able to carry a 350 kg (770 lb) of payload with a maximum power consumption of 7 kW at the end of its design life.[8]

ARSAT-3E

The ARSAT-3E will be the third version of the platform. It will use electric propulsion exclusively. It will keep the payload and power envelope of the ARSAT-3H while applying the improvements to cost and weight reduction.[8]

List of satellites

The Argentine Geostationary Satellite Plan 2015-2035 (Spanish: Plan Satelital Geoestacionario Argentino 2015-2035) establishes a roadmap for the platform development until 2035.

ARSAT Satellite Plan
Satellite Bus Payload Orbital Position Launch Status
ARSAT-1 ARSAT-3K Ku band 71.8° West 21:43:52, October 16, 2014 Operational
ARSAT-2 ARSAT-3K Ku band and C Band[9] 81° West 20:30:00, September 30, 2015[10] Commissioning[11]
ARSAT-3 ARSAT-3K Ka band 81° West 2019 In Development
Chemical 2 ARSAT-3K Ka band TBA TBA Planned

See also

References

  1. Annex I, Ley de desarrollo de la industria satelital, Expediente No. 175/15 of 2015-09-30 (in Spanish). Retrieved on 2015-09-01.
  2. "ARSAT Satellites". INVAP. Retrieved 2015-08-24.
  3. Belluscio, Alejandro G. (2014-10-06). "ArSat-1: Argentina to communicate its heightened space ambitions". NASA SpaceFlight. Retrieved 2015-08-25.
  4. "Diseño y fabricación" [Design and Manufacturing] (in Spanish). AR-SAT S.A. Retrieved 2015-08-24.
  5. Launch Kit VA220 Intelsat 30 and ARSAT-1 (PDF). Arianespace. October 2014. Retrieved 2015-08-28.
  6. Annex I (page 73), Ley de desarrollo de la industria satelital, Expediente No. 175/15 of 2015-09-30 (in Spanish). Retrieved on 2015-09-01.
  7. Annex I (page 91 to 95), Ley de desarrollo de la industria satelital, Expediente No. 175/15 of 2015-09-30 (in Spanish). Retrieved on 2015-09-01.
  8. 1 2 3 Annex I (page 96 to 99), Ley de desarrollo de la industria satelital, Expediente No. 175/15 of 2015-09-30 (in Spanish). Retrieved on 2015-09-01.
  9. Belluscio, Alejandro G. (2015-09-21). "ARSAT-2: Argentina consolidates as Latin American satellite leader". NASA SpaceFlight. Retrieved 2015-10-01.
  10. Bergin, Chris (2015-09-30). "Ariane 5 conducts dual launch for Australia and Argentina". NASA SpaceFlight. Retrieved 2015-10-01.
  11. "El ARSAT-2 llegó a órbita geoestacionaria" [The ARSAT-2 has reached the geostationary orbit] (in Spanish). ARSAT S.A. 2015-10-10. Retrieved 2015-10-10.


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