USA-304

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USA-304
GPS Block IIIA.jpg
Artist's rendering of GPS-III SV03 in orbit
NamesNavstar 79
GPS-III SV03
Matthew Henson
Mission type Navigation
Operator USAF
COSPAR ID 2020-41A
SATCAT no. 45854
Mission duration15 years (planned)
Spacecraft properties
SpacecraftGPS-III SV03
Spacecraft type GPS Block III
Manufacturer Lockheed Martin
Launch mass4311 kg
Power watts
Start of mission
Launch date30 June 2020, 20:40 UTC
Rocket Falcon 9 B1060.1
Launch site Cape Canaveral, SLC-40
Contractor SpaceX
Orbital parameters
Reference system Geocentric orbit
Regime Medium Earth orbit
(Semi-synchronous orbit)
Perigee altitude 20,164 km (12,529 mi)
Apogee altitude 20,214 km (12,560 mi)
Inclination 55.2°
Period 718.0 minutes
 

USA-304, also known as GPS-III SV03 or Matthew Henson, [n 1] is a United States navigation satellite which forms part of the Global Positioning System. It was the third GPS Block III satellite to be launched. [2]

Contents

Satellite

SV03 is the third GPS Block III satellite to be launched. Ordered in 2008, launch was pushed back several times to 2020 due to delays with the first and second satellites. [3]

The spacecraft is built on the Lockheed Martin A2100 satellite bus, and weighs in at 4,311 kg (9,504 lb). [4]

Launch

USA-304 was launched by SpaceX on 30 June 2020 at 20:10 UTC atop Falcon 9 booster B1060. [2] The launch took place from SLC-40 of the Cape Canaveral Air Force Station, and placed USA-304 directly into semi-synchronous orbit. About eight minutes after launch, Falcon 9 B1060 successfully landed on Just Read the Instructions. [5]

Orbit

As of 2021, USA-304 was in a 55.2 degree inclination orbit with a perigee of 20,164 kilometers (12,529 mi) and an apogee of 20,214 km (12,560 mi). [6]

GPS-III SV03 is launched on a Falcon 9 GPS-III SV03 Launch.jpg
GPS-III SV03 is launched on a Falcon 9

Notes

  1. ↑ originally named Columbus [1]

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References

  1. ↑ Clark, Stephen (2 October 2020). "Space Force announces new nicknames for GPS satellites". Spaceflight Now. Archived from the original on 28 February 2023. Retrieved 2 October 2020.
  2. 1 2 Atkinson, Ian (30 June 2020). "SpaceX launches third GPS Block III satellite". NASASpaceFlight.com. Retrieved 24 March 2021.
  3. ↑ "SMC and SpaceX launch third GPS III satellite". GPS World. 30 June 2020. Retrieved 25 March 2021.
  4. ↑ "GPS-3 (Navstar-3)". Gunter's Space Page. Retrieved 25 March 2021.
  5. ↑ Clark, Stephen. "Timeline for Falcon 9's launch of the GPS 3 SV03 spacecraft – Spaceflight Now" . Retrieved 25 March 2021.
  6. ↑ "Technical details for satellite NAVSTAR 79 (USA 304)". N2YO.com - Real Time Satellite Tracking and Predictions. Retrieved 24 March 2021.
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