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USA-200

American signals intelligence satellite

Field	Value
name	USA-200
names_list	NROL-28
image	Atlas_V_(411)_with_NROL_28_on_Space_Launch_Complex-3E.JPG
image_caption	Atlas V carrying NROL-28 satellite awaiting launch at SLC-3E
image_size	300px
mission_type	SIGINT
operator	United States NRO
COSPAR_ID	2008-010A
SATCAT	32706
launch_date	13 March 2008, 10:02 UTC
launch_rocket	Atlas V 411 (AV-006)
launch_site	Vandenberg, SLC-3E
launch_contractor	Lockheed Martin Commercial Launch Service
orbit_reference	Geocentric orbit
orbit_regime	Molniya orbit
orbit_periapsis	1112 km
orbit_apoapsis	37580 km
orbit_inclination	63.56°
orbit_period	684.33 minutes
apsis	gee
instruments	Space-Based Infrared System (SBIRS-HEO 2)
Magnetospheric science instrument (TWINS-B)
insignia	NROL-28 Mission Patch.png
insignia_caption	NROL-28 mission patch
insignia_size	200px

Magnetospheric science instrument (TWINS-B)

USA-200, also known as NRO Launch 28 or NROL-28, is an American signals intelligence satellite, operated by the National Reconnaissance Office. Launched in 2008, it has been identified as the second satellite in a series known as Improved Trumpet, Advanced Trumpet, or Trumpet follow-on; a replacement for the earlier Trumpet series of satellites.

Launch

USA-200 was launched by an Atlas V launch vehicle, flying in the 411 configuration, operated by United Launch Alliance. The launch vehicle was the first Atlas V to launch from Vandenberg Air Force Base, flying from Space Launch Complex 3E. Liftoff occurred at 10:02 UTC on 13 March 2008. It was identified as NRO Launch 28, and was the thirteenth flight of an Atlas V. The launch vehicle had the tail number AV-006.

Orbit

The satellite's orbit and mission are officially classified, however like most classified spacecraft it has been located and tracked by amateur observers. It is in a Molniya orbit with a perigee of 1112 km, an apogee of 37580 km, and 63.56° of orbital inclination and 684.33 minutes of orbital period.

Instruments

In addition to its SIGINT payload, USA-200 also carries two secondary instruments; the SBIRS-HEO 2 missile detection payload as part of the Space-Based Infrared System programme, and NASA's TWINS-2 or TWINS-B magnetospheric science instrument as part of the TWINS programme.

References

Krebs, Gunter. ""Trumpet F/O" 1, 2, 3". Gunter's Space Page.
Ray, Justin. (13 March 2008). "Atlas 5 rocket launches from California for first time". Spaceflight Now.
McDowell, Jonathan. (15 December 2021). "Launch Log". Jonathan's Space Report.
Ray, Justin. (13 March 2008). "Atlas Launch Report - Mission Status Center". Spaceflight Now.
Krebs, Gunter. "NROL launches". Gunter's Space Page.
(21 July 2021). "Satellite Catalog". Jonathan's Space Report.

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

spacecraft-launched-in-2008 national-reconnaissance-office-satellites usa-satellites early-warning-satellites

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