USA-291

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USA-291
Wideband Global SATCOM.jpg
Artist's impression of a WGS-10 satellite in orbit
NamesWGS-10
WGS SV-10
Wideband Global SATCOM-10
Mission type Military communications
Operator United States Air Force / United States Space Force
COSPAR ID 2019-014A OOjs UI icon edit-ltr-progressive.svg
SATCAT no. 44071
Website https://www.spaceforce.mil/
Mission duration14 years (planned)
5 years, 7 months and 5 days (in progress)
Spacecraft properties
SpacecraftWGS-10
Spacecraft type WGS Block II Follow-On
Bus BSS-702HP
Manufacturer Boeing Satellite Systems
Launch mass5,987 kg (13,199 lb)
Dry mass3,000 kg (6,600 lb)
Power11 kW
Start of mission
Launch date16 March 2019, 02:26 UTC [1]
Rocket Delta IV M+ (5,4) (s/n D383)
Launch site Cape Canaveral, SLC-37B
Contractor United Launch Alliance
Entered service19 November 2019 [2]
Orbital parameters
Reference system Geocentric orbit
Regime Geostationary orbit
Transponders
Band X-band and Ka-band (enhanced)
WGS-10 logo.png
WGS-10 mission patch

USA-291, or Wideband Global SATCOM 10 (WGS-10) is a United States military communications satellite operated by the United States Air Force as part of the Wideband Global SATCOM program. Launched in 2019, it was the tenth WGS satellite to reach orbit. It is in geostationary orbit. WGS-10 was procured by the United States Air Force. [3]

Contents

Overview

The WGS system is a constellation of highly capable military communications satellites that leverage cost-effective methods and technological advances in the communications satellite industry. The WGS system is composed of three principal segments: Space Segment (satellites), Control Segment (operators) and Terminal Segment (users). Each WGS satellite provides service in multiple frequency bands, with the unprecedented ability to cross-band between the two frequencies on board the satellite. WGS augments other satellites. [4]

In early 2001, a satellite communications industry team led by Boeing Satellite Systems was selected to develop the Wideband Gapfiller Satellite (WGS) system as successors to the Defense Satellite Communications System (DSCS) series of communications satellites. This satellite communications system is intended to support the warfighter with newer and far greater capabilities than provided by current systems. In March 2007, the acronym WGS was changed to Wideband Global SATCOM. [3]

Just one WGS satellite provides more SATCOM capacity than the entire legacy Defense Satellite Communications System (DSCS) constellation. [4]

As the backbone of the U.S. military's global satellite communications, Wideband Global SATCOM (WGS) satellite system provides flexible, high-capacity communications for the Nation's warfighters through procurement and operation of the satellite constellation and the associated control systems. WGS provides worldwide flexible, high data rate and long haul communications for the Department of Defense (DoD), governmental organizations and international partners. [4]

Satellite description

WGS-10 was ordered in July 2012. Boeing received in July 2012 a contract to install upgraded digital channelizers, which will boost capacity on the satellites by 30%, aboard the eighth, and ninth WGS satellites. The upgraded hardware also will be installed on the planned 10th WGS satellite. [3] The U.S. Air Force is launching the craft and will perform the command-and-control functions during its 14-year life expectancy. [3] Built by Boeing Satellite Systems, WGS-10 is based on the BSS-702HP satellite bus. It had a mass at launch of 5,987 kg (13,199 lb), and was expected to operate for fourteen years. The spacecraft is equipped with two solar panels to generate power for its communications payload, which consists of cross-band X-band and Ka-band transponders. Propulsion is provided by an R-4D-15 apogee motor, with four XIPS-25 ion engines for stationkeeping. [3]

Launch

WGS-10 was launched by United Launch Alliance (ULA), who placed it into orbit using a Delta IV M+ (5,4) launch vehicle, flight number D383. The launch took place from Space Launch Complex 37B (SLC-37B) at the Cape Canaveral Air Force Station (CCAFS), with liftoff at 02:26 UTC on 16 March 2019. [1] The launch was successful, placing the WGS-10 into a geostationary transfer orbit (GTO), from which the spacecraft raised itself into geostationary orbit using its onboard propulsion system. The satellite was designated USA-291 under the U.S. military's designation system, and received the International Designator 2019-014A and Satellite Catalog Number 44071. [1] [5] [6]

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References

  1. 1 2 3 "Launch Log". Jonathan's Space Report. 14 March 2021. Retrieved 26 May 2021.
  2. ↑ "WGS-10 communications satellite accepted into operational constellation". SpaceNews. 26 November 2019. Retrieved 26 May 2021.
  3. 1 2 3 4 5 "WGS 8, 9, 10 (WGS Block 2 Follow-On)". Gunter's Space Page. 27 April 2020. Retrieved 26 May 2021.
  4. 1 2 3 "Fact Sheets: Wideband Global SATCOM Satellite". United States Space Force. October 2020. Retrieved 26 May 2021.PD-icon.svg This article incorporates text from this source, which is in the public domain .
  5. ↑ "ULA Delta IV launches WGS-10 from Cape Canaveral". NASASpaceFlight.com. 15 March 2019. Retrieved 26 May 2021.
  6. ↑ "Air Force launches WGS-10 communications satellite". SpaceNews. 15 March 2019. Retrieved 26 May 2021.
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