SES-3
{{Short description|Russian communications satellite}}
{{Use American English|date=April 2021}}
{{Use dmy dates|date=June 2020}}
{{Infobox spaceflight
| name = SES-3
| names_list = AMC ground spare
OS-2
| image =
| image_caption =
| image_size = 300px
| mission_type = Communications
| operator = SES Americom / SES
| COSPAR_ID = 2011-035A
| SATCAT = 37748
| website = https://www.ses.com/
| mission_duration = 15 years (planned)
{{time interval|15 July 2011|show=ymd|sep=,}} (elapsed)
| spacecraft = AMC ground spare
| spacecraft_type = GEOStar-2
| spacecraft_bus = Star-2.4
| manufacturer = Orbital Sciences Corporation
| launch_mass = {{cvt|3112|kg}}
| dry_mass =
| dimensions =
| power = 5 kW
| launch_date = 15 July 2011, 23:16:10 UTC{{cite web|url=http://planet4589.org/space/log/launchlog.txt|title=Launch Log|first=Jonathan|last=McDowell |publisher=Jonathan's Space Report|access-date=30 October 2013}}
| launch_rocket = Proton-M / Briz-M
| launch_site = Baikonur, Site 200/39
| launch_contractor = Khrunichev State Research and Production Space Center
| entered_service = September 2011
| disposal_type =
| deactivated =
| last_contact =
| orbit_reference = Geocentric orbit{{cite web|url=http://www.n2yo.com/satellite/?s=37748|title=SES 3|publisher=N2YO.com|access-date=11 April 2021}}
| orbit_regime = Geostationary orbit
| orbit_longitude = 103° West
| apsis = gee
| trans_band = 48 transponders:
24 C-band
24 Ku-band
| trans_frequency =
| trans_bandwidth = 36 MHz
| trans_capacity =
| trans_coverage = North America
| programme = SES constellation
| previous_mission = SES-2
| next_mission = SES-4
}}
|
SES-3 is a communications satellite operated by SES Americom (later SES World Skies. Now, SES).
Spacecraft
SES-3 was built by Orbital Sciences Corporation (OSC), and is based on the Star-2.4 satellite bus. It is equipped with 24 C-band, and 24 Ku-band transponders, and at launch it had a mass of {{cvt|3112|kg}}. It has a design life of fifteen years, however it was launched with enough fuel to operate for at least sixteen years, if its systems are still functional.{{cite web|url=http://space.skyrocket.de/doc_sdat/ses-1.htm|title=SES 1, 2, 3|first=Gunter|last=Krebs|publisher=Gunter's Space Page|date=11 December 2017 |access-date=11 April 2021}}
Launch
It was launched on 15 July 2011 at 23:16:10 UTC on a Proton-M / Briz-M launch vehicle, the launch was arranged by International Launch Services (ILS), since Baikonour, Site 200/39 alongside the KazSat-2 satellite.
Mission
It is positioned at 103.0° West orbital location over North America, replacing AMC-1. Clients include E. W. Scripps Company, In Demand, Pay-per-view, Ion Television, Mood Media, NBC and QVC.{{cite web|url=http://www.lyngsat.com/SES-3.html|title=SES 3 at 103.0° W|publisher=LyngSat}}
References
{{Portal|Spaceflight}}
{{Reflist|30em}}
{{SES World Skies}}
{{Orbital launches in 2011}}
Category:Communications satellites in geostationary orbit
Category:Spacecraft launched in 2011