WGS F2 (USA 204)

NORAD 34713· COSPAR 2009-017A· Active satellite· Communications· GEO
Launch
Launched on Apr 4, 2009 from Space Launch Complex 41, United States of America aboard a Atlas V 421.
Atlas V 421 | WGS-2
WGS F2 (USA 204)
Source: WGS Program Office. · Public domain · via Wikimedia Commons
Live · TLE epoch 2026-07-13 05:11 UTC
Orbit class
GEO — Geostationary (~35,786 km, equatorial)
Operator
United States Air Force
Country
United States
Manufacturer
Boeing
Launched
Apr 4, 2009
Mass
Apogee
35,797 km
Perigee
35,793 km
Inclination
0.02°
Period
23.94 h

About WGS F2 (USA 204)

WGS F2, catalogued by NORAD as object 34713 and registered under the international designator 2009-017A, is a United States military communications satellite operated by the United States Air Force. More formally known as Wideband Global SATCOM 2 — and also referred to as USA-204 — it was the second spacecraft to join the Wideband Global SATCOM (WGS) constellation, reaching geostationary orbit following its launch on 3 April 2009. Built by Boeing, the satellite continues to operate as a node in one of the most capable military wideband communications networks the United States has ever deployed.

Mission and Purpose

The Wideband Global SATCOM programme was established to replace and dramatically expand upon older military satellite communications infrastructure, particularly the Defense Satellite Communications System (DSCS), which had served the United States armed forces for decades but had become increasingly strained by the bandwidth demands of modern networked warfare. WGS satellites are designed to provide high-throughput communications across a broad range of radio frequency bands, enabling voice, video, and data transmission for military users spread across the globe. The programme is managed by the United States Air Force and supports not only American military operations but also coalition partners operating under approved agreements.

WGS F2 was the second satellite in this series to be placed into orbit, making it an early and foundational element of the constellation. Its arrival in orbit expanded the coverage and redundancy of the system relative to what the first WGS satellite alone could provide. While the specific mission configuration and current operational status of WGS F2 are not publicly recorded in the satellite catalog, the broader WGS constellation is well understood to provide global reach, covering the majority of the Earth's surface between the polar regions. Military commanders, deployed forces, unmanned aerial systems, and intelligence assets all rely on the type of high-bandwidth relay capability that the WGS programme was designed to deliver.

The satellite is positioned in geostationary orbit at approximately 57.5° East longitude, a location that places it over the Indian Ocean region. This orbital slot is strategically significant, offering communication coverage across a broad arc that encompasses the Middle East, Central Asia, South Asia, and parts of Africa and Eastern Europe — regions that have been of considerable operational importance to the United States and its allies during the period in which WGS F2 has been in service. The publicly available catalog does not specify the satellite's mass or current mission status, and those details remain outside what can be confirmed here.

Orbit and Tracking

WGS F2 occupies a geostationary orbit, one of the most strategically important orbital regimes for communications satellites. Geostationary orbit lies at an altitude of approximately 35,786 kilometres above the Earth's equator — a precise distance at which a satellite's orbital period matches the planet's own rotation rate of roughly 24 hours, causing the spacecraft to appear stationary over a fixed point on the ground below. This characteristic makes geostationary satellites ideal platforms for wide-area communications, as ground terminals can use fixed antennas pointed at a constant position in the sky rather than requiring complex tracking systems.

Tracking data confirms that WGS F2 is in a very nearly circular geostationary orbit. Its apogee stands at 35,796 km and its perigee at 35,793 km, reflecting an eccentricity so close to zero that the orbit is, for all practical purposes, perfectly circular. The orbital inclination is 0.0°, meaning the satellite travels precisely along the equatorial plane with no north-south drift, a hallmark of a well-maintained geostationary orbit. The orbital period is 1,436.1 minutes — just under 24 hours — which is the defining characteristic that keeps the satellite locked over its ground track.

Because geostationary orbit is a shared resource with a finite number of usable slots, the longitude at which a satellite is parked is a matter of international coordination. WGS F2's position at 57.5° East places it in a slot well suited to supporting operations across a wide swath of the Eastern Hemisphere. Satellites in geostationary orbit are tracked continuously by organizations including the United States Space Force's 18th Space Control Squadron, and their orbital elements are published in the public catalog under NORAD identifiers for the purposes of space situational awareness and collision avoidance.

Despite their great distance from Earth, geostationary satellites remain in orbit indefinitely unless they perform a deliberate deorbit maneuver into a "graveyard orbit" several hundred kilometres higher still. As of the time of writing, WGS F2 has not decayed or reentered and remains in orbit, continuing to serve in its operational role.

Design and Operator

WGS F2 was manufactured by Boeing, one of the primary contractors for large military and commercial geostationary satellites. Boeing has a long history of producing spacecraft in its BSS (Boeing Satellite Systems) product line, and the WGS programme represents one of its most significant contributions to military space infrastructure. The WGS satellites were designed from the outset to be highly capable and flexible platforms, incorporating advanced onboard signal processing that allows the system to route communications across different frequency bands and adapt to varied user requirements in near real time.

The operator of WGS F2 is the United States Air Force, which has historically managed military satellite communications for the Department of Defense. In recent years, many Space Force missions have transitioned to the newly established United States Space Force, but WGS F2 entered service under Air Force authority and is listed accordingly in the catalog. The satellite's mass is not publicly documented in the available catalog data.

The WGS satellites as a class were engineered to represent a significant generational leap over their predecessors. Their capacity to handle simultaneous transmissions across X-band and Ka-band frequencies — and in later variants, Military Ka-band — made them far more versatile than the DSCS satellites they were augmenting and replacing. WGS F2, as the second satellite in the series, helped establish the pattern of capability that would be replicated and built upon by subsequent WGS spacecraft as the constellation expanded over the following years.

Constellation Context and Significance

The launch of WGS F2 in April 2009 came during a period when demand for military satellite communications bandwidth was extraordinarily high, driven by sustained operations in Iraq and Afghanistan, the proliferation of intelligence, surveillance, and reconnaissance (ISR) platforms, and the broader digitization of military operations. Each additional WGS satellite added to the constellation meaningfully increased the total capacity available to military users, reducing congestion and improving reliability for critical links.

As the second operational node in the WGS network, WGS F2 played a role in validating the programme's architecture and operational concepts before the constellation expanded further. The WGS programme would eventually grow to encompass multiple satellites, with later spacecraft incorporating improvements based on operational experience gained from the earliest members of the fleet. In that sense, WGS F2 occupies a historically significant position as one of the founding elements of what became a cornerstone of American and allied military communications in space.

The satellite's geostationary position over the Indian Ocean region gives it enduring strategic relevance. The arc of Earth visible from 57.5° East includes some of the most operationally active regions of interest to United States Central Command and its partners. So long as the satellite remains serviceable and on station, its contribution to the WGS constellation's global coverage continues.

The specific current operational status of WGS F2 — whether it remains fully active, is in a reduced-operations mode, or serves as an on-orbit spare — is not publicly disclosed in the catalog data available to civilian tracking organizations. What is confirmed is that the spacecraft has not reentered the atmosphere and continues to occupy its orbital slot, where it can be tracked by ground-based sensors and catalogued as an active resident of the geostationary belt.

Observability

WGS F2 orbits at an altitude of approximately 35,796 km, placing it squarely in the geostationary belt — the most distant orbital regime routinely tracked and published in public satellite catalogs. At that distance, the satellite is not visible to the naked eye under ordinary circumstances. Observing a geostationary satellite requires at minimum a modest telescope with a tracking mount, and even then the target will appear only as a faint, stationary point of light against the moving star field when viewed during twilight hours when the satellite is illuminated by the Sun while the observer's sky is dark. Because WGS F2 holds an inclination of 0.0° and an essentially circular orbit, it will remain fixed at the same point in the sky as seen from any given location in the satellite's coverage footprint — a point roughly in the direction of the southern sky for observers in the Northern Hemisphere, at an elevation angle that depends on the observer's latitude relative to the equator.

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