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SES-10

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SES-10
NamesS2950 (callsign)[1]
Mission typeCommunications
OperatorSES
COSPAR ID2017-017A
SATCAT no.42432
WebsiteSES-10 webpage
Mission durationPlanned: 15 years[2]
Elapsed: 7 years, 7 months, 18 days
Spacecraft properties
BusEurostar E3000[2]
ManufacturerAirbus Defence and Space[2]
Launch mass5,281.7 kg (11,644 lb)[3]
Power13 kW[4]
Start of mission
Launch date30 March 2017, 22:27 (2017-03-30UTC22:27) UTC[2]
RocketFalcon 9 Full Thrust
Launch siteKennedy LC-39A
ContractorSpaceX
Orbital parameters
Reference systemGeocentric
RegimeGeostationary
Longitude67° West[2]
Perigee altitude35,800 km (22,200 mi)
Apogee altitude35,800 km (22,200 mi)
EpochPlanned
Transponders
Band55 Ku band[1]
Frequency36 Mhz[1]
Coverage areaCentral and South America
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SES-10, is a geostationary communications satellite to be operated by SES and is designed and manufactured by Airbus Defence and Space on the Eurostar E3000 platform.[5][1] It will be positioned on the 67° West position thanks to an agreement with the Andean Community to use the Simón Bolivar 2 satellite network.[6][4][7] It will replace AMC-3 and AMC-4 to provide enhanced coverage and significant capacity expansion.[6]

It will have a pure Ku band payload with 55 transponders to offer Direct-to-home broadcasting and enterprise and broadband connectivity. Its three wide beams will cover Mexico and the Caribbean, Brazil, and Spanish-speaking South America.[1][7]

After several delays, SES-10 was launched on 30 March 2017 aboard a Falcon 9 Full Thrust. The launch marked the first time in aerospace history that an orbital-class first stage was successfully reused. The first stage was recovered for a second time, setting another record.[8][9] A third record comes from a successful splashdown of the payload fairings.

Satellite description

SES-10 is based on the three axis stabilized Eurostar E3000 satellite bus. It will mass around 5.3 t (5.8 tons), produce 13 kW of power and have a design life of 15 years.[4][7]

It will use a hybrid approach for spacecraft propulsion, using bi-propellant propulsion for orbit raising and electric propulsion for station keeping. Its electrical system will use Hall-effect thruster with a Xenon regulator and feed system supplied by Airbus Safran Launchers.[10][11] The same company supplied fourteen 10 N (2.2 lbf) S10-21 thrusters for the reaction control system, plus 17 pyrovalves and 13 fill and drain valves.[11]

Its payload is composed of 55 Ku band transponders arranged in three wide beams. The first beam will cover Mexico, Central America and the Caribbean, the second beam will cover Hispanic South America, and the third beam will be dedicated to Brazil.[6]

History

On 20 February 2014, SES S.A. ordered a new satellite, SES-10 from Airbus Defence and Space. It was to be built on the Eurostar E3000 platform, weight 5.3 t (5.8 tons), produce 13 kW of power and have a design life of 15 years. It would be positioned in the 67° West orbital slot, which belonged to the Simón Bolivar 2 registry belonging to the Andean Community. From there, it would offer an all Ka band to Latin American and the Caribbean.[4][7]

On the same day, SES disclosed that they had contracted with SpaceX for launch services. While initially thought to be launched aboard a Falcon Heavy due to performance limitations of the Falcon 9, it was clarified that it would, in fact, launch aboard the smaller rocket.[12][13] At that time, it was believed that the launcher could only perform geosynchronous transfer orbit missions of up to 4,850 kg (10,690 lb), but SpaceX spokeswoman Emily Shanklin disclosed that the company had reserved 450 kg (990 lb) for its own use.[13]

On 30 August 2016 it was announced that SES-10 would launch aboard a Falcon 9 full thrust rocket no earlier than the fourth quarter of 2016. On 30 March 2017 the launch became the first to reuse an orbital rocket's first stage, the one previously used for 23rd Falcon 9 flight[8][9] that launched CRS-8. After delivering the payload, the first stage landed on a drone ship, becoming the first orbital rocket stage to return from space for the second time. For a third first, the payload fairing remained intact after a successful splashdown achieved with thrusters and a steerable parachute.[14][15]

See also

References

  1. ^ a b c d e "SES 10". Satbeams. Retrieved 31 August 2016.
  2. ^ a b c d e Graham, William (30 March 2017). "SpaceX conducts historic Falcon 9 re-flight with SES-10 – Lands booster again". NASASpaceFlight.com. Retrieved 3 April 2017.
  3. ^ de Selding, Peter B. (31 March 2017). "SpaceX's reusability effort faces one more big challenge". Space Intel Report. Retrieved 3 April 2017.
  4. ^ a b c d "Airbus Defence and Space signs a new satellite contract with SES". Airbus Defence and Space. 20 February 2014. Retrieved 31 August 2016.
  5. ^ Krebs, Gunter Dirk (30 August 2016). "SES 10". Gunter's Space Page. Retrieved 31 August 2016.
  6. ^ a b c "SES-10". SES S.A. Retrieved 31 August 2016.
  7. ^ a b c d "Airbus Defence and Space contracted to manufacture SES-10 satellite". SES S.A. 20 February 2014. Retrieved 31 August 2016.
  8. ^ a b "SES-10 launching to orbit on SpaceX's flight-proven Ralcon 9 rocket". SES S.A. 30 August 2016. Retrieved 31 August 2016.
  9. ^ a b Clark, Stephen (30 August 2016). "SES agrees to launch satellite on 'flight-proven' Falcon 9 rocket". Spaceflight Now. Retrieved 31 August 2016.
  10. ^ "Space Systems Mission and system requirements for Electric Propulsion" (PDF). Airbus Defence and Space. 25 November 2014. Archived from the original (PDF) on 31 August 2016. Retrieved 31 August 2016.
  11. ^ a b "SES-10". Airbus Safran Launchers Orbital Propulsion Center. Archived from the original on 31 August 2016. Retrieved 31 August 2016.
  12. ^ Todd, David (20 February 2014). "SES-10 satellite to be built by Airbus DS and launched by a Falcon 9 Heavy". Seradata Space Intelligence. Retrieved 31 August 2016.
  13. ^ a b de Selding, Peter B. (20 February 2014). "SES Books Falcon 9 for 2016 Launch". Space News. Retrieved 31 August 2016.
  14. ^ Lopatto, Elizabeth (30 March 2017). "SpaceX even landed the nose cone from its historic used Falcon 9 rocket launch". The Verge. Retrieved 31 March 2017.
  15. ^ Gebhardt, Chris (30 March 2017). "Re: SpaceX F9 : SES-10 with reuse of CRS-8 Booster SN/1021". forum.nasaspaceflight.com. Retrieved 31 March 2017.
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