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USA-293

From Wikipedia, the free encyclopedia
GPS III satellite

USA-293
Artist's rendering of GPS-III SV02 in orbit.
NamesNavstar 78
GPS-III SV02
Magellan
Mission typeNavigation
OperatorUSAF
COSPAR ID2019-056AEdit this at Wikidata
SATCATno.44506
Mission duration15 years (planned)
Spacecraft properties
SpacecraftGPS-III SV02
Spacecraft typeGPS Block III
ManufacturerLockheed Martin
Launch mass3680 kg
Powerwatts
Start of mission
Launch date22 August 2019, 13:06UTC
RocketDelta IV Medium (4,2)
Launch siteCape Canaveral,SLC-37
ContractorUnited Launch Alliance
Orbital parameters
Reference systemGeocentric orbit
RegimeMedium Earth orbit
(Semi-synchronous orbit)
Perigee altitude20,157 km (12,525 mi)
Apogee altitude20,221 km (12,565 mi)
Inclination55.40°
Period718.0 minutes

USA-293, also known asGPS-III SV02 orMagellan, is a United Statesnavigation satellite which forms part of theGlobal Positioning System. It was the secondGPS Block III satellite to be launched.

Satellite

[edit]

SV02 is the secondGPS Block III satellite to be launched. Ordered in 2008, technical delays to the first satellite in the program,SV01, pushed launch back to 2019.[1]

The spacecraft is built on theLockheed Martin A2100 satellite bus, and weighs 3,680 kg (8,110 lb).[2]

Launch

[edit]

USA-293 was launched byUnited Launch Alliance on 22 August 2019 at 13:06 UTC atop aDelta IV Medium.[3] The launch was the final flight of the single-core Delta IV.[4] The launch took place fromCape Canaveral Space Launch Complex 37, and deployed USA-293 directly into asemi-synchronous orbit.[4]

Orbit

[edit]

As of 2021, USA-293 was in a 55.4 degreeinclination orbit with aperigee of 20,157 kilometres (12,525 mi) and anapogee of 20,221 kilometres (12,565 mi).[5]

GPS-III SV02 is launched on a Delta IV

References

[edit]
  1. ^"Defense Acquisitions - Assessments of Selected Weapon Programs"(PDF).
  2. ^"GPS-3 (Navstar-3)".Gunter's Space Page. Retrieved25 March 2021.
  3. ^"United Launch Alliance Successfully Launches GPS III Satellite for U.S. Air Force Space and Missile Systems Center".www.ulalaunch.com. Retrieved24 March 2021.
  4. ^ab"Delta IV Medium's well-earned retirement with GPS finale".NASASpaceFlight.com. 22 August 2019. Retrieved24 March 2021.
  5. ^"Technical details for satellite NAVSTAR 78 (USA 293)".N2YO.com - Real Time Satellite Tracking and Predictions. Retrieved24 March 2021.
Block I
Block II
Block IIA
Block IIR
Block IIRM
Block IIF
Block III
Block IIIF
Italics indicate future missions. Signsindicate launch failures.
January
February
March
April
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June
July
August
September
October
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Launches are separated by dots ( • ), payloads by commas ( , ), multiple names for the same satellite by slashes ( / ).
Crewed flights are underlined. Launch failures are marked with the † sign. Payloads deployed from other spacecraft are (enclosed in parentheses).
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