HORIZONS-2

Horizons-2 is a commercial communications satellite operating in geostationary orbit above the Western Hemisphere. Cataloged under NORAD ID 32388 and international designator 2007-063B, the spacecraft was launched on December 20, 2007, and remains operational in orbit at a longitude of 74° west. It serves as a Ku-band relay platform providing broadcast and data communications services across North America and parts of South America, operating under the joint ownership of the Horizons Satellite venture — a partnership between SKY Perfect JSAT Group and Intelsat.

Mission and Purpose

Horizons-2 was designed to deliver Ku-band satellite communications services, a frequency range widely used in direct-to-home television broadcasting, broadband internet, and enterprise data networking. The Ku band occupies frequencies broadly between 12 and 18 GHz, offering the ability to support relatively compact ground terminals — an important factor for both consumer and commercial customers who require cost-effective earth-station hardware.

The satellite is positioned at the 74° west longitude orbital slot, a location that provides strong coverage geometry over the continental United States, parts of Canada, and large portions of Latin America. This slot has long been considered commercially valuable given the concentration of broadcast and telecommunications demand in the region. Horizons-2 was intended to augment capacity at this arc position, building on the orbital slot's established use for video distribution and broadband services directed at the North American market.

Although the specific details of the satellite's individual transponder configuration and payload capacity are not recorded in the public orbital catalog, the Ku-band focus reflects a well-established commercial model: leasing transponder capacity to broadcasters, internet service providers, government users, and corporate network operators. Such satellites typically carry dozens of transponders and serve hundreds or thousands of end users simultaneously through a mix of direct broadcast and professional video uplink services.

The mission type and current operational status are not definitively confirmed in the tracking catalog, but the satellite has remained in orbit since its launch and continues to occupy a position consistent with active geostationary service. No decay or reentry date has been recorded.

Orbit and Tracking

Horizons-2 occupies a geostationary orbit, a class of orbit in which a satellite circles the Earth at an altitude and speed that matches the planet's rotation, causing the spacecraft to appear essentially stationary relative to the ground. This characteristic is fundamental to commercial broadcast and relay operations, since fixed ground antennas can be pointed at a constant position in the sky rather than tracking a moving target.

The satellite's current tracked orbital parameters reflect a well-maintained station in the geostationary arc. Its apogee stands at 35,811 km and its perigee at 35,778 km, giving an orbit that is nearly circular with a difference of only 33 km between its highest and lowest points. This near-circular shape is typical of well-controlled geostationary spacecraft that undergo regular station-keeping maneuvers to counteract the gravitational perturbations that would otherwise cause the orbit to drift and elongate over time.

The orbital inclination is recorded at 2.6°, a slight deviation from the ideal equatorial plane of 0°. Geostationary satellites are nominally placed in equatorial orbits, but over time — particularly as they age or as station-keeping fuel is conserved — inclination tends to increase due to gravitational influences from the Moon and Sun. An inclination of 2.6° suggests the satellite may be in a phase of its operational life where inclination management is being relaxed or has been suspended, a common strategy to extend usable propellant life. From a ground observer's standpoint, a small inclination means the satellite traces a narrow figure-eight path in the sky (called an analemma) rather than remaining at a perfectly fixed point.

The orbital period of 1,436.2 minutes is closely aligned with one sidereal day, confirming synchronization with Earth's rotation. This is the defining characteristic of the geostationary family of orbits and underpins the satellite's ability to serve fixed broadcast and communications links.

Horizons-2 is tracked by the United States Space Surveillance Network and assigned NORAD catalog number 32388. Its international designator, 2007-063B, indicates it was the second cataloged object associated with the 63rd launch of 2007. The "B" suffix typically denotes the payload itself, distinguished from the upper stage or other debris associated with the launch event.

Design and Operator

The manufacturer of Horizons-2 is not recorded in the public satellite catalog, and no verified information about the spacecraft bus or construction heritage is available through the tracking record. What is known is that the satellite operates in the Ku band and was built to serve a commercial geostationary mission profile, which generally implies a design life on the order of 15 years or more for spacecraft in this category, though the specific design life for Horizons-2 is not confirmed in available documentation.

The satellite is operated under the banner of Intelsat, one of the world's largest commercial satellite operators, which holds a long-standing presence at the 74° west longitude arc. Horizons Satellite, the joint venture behind the spacecraft, was formed as a collaboration between Intelsat and SKY Perfect JSAT Group, the major Japanese satellite operator. This kind of commercial joint venture is a common structure in the satellite industry, allowing two operators to share orbital slot access, capital investment, and market risk while pooling their respective customer bases and regulatory positions.

Intelsat, headquartered in Luxembourg with significant operational presence in the United States, manages a large fleet of geostationary satellites providing connectivity across six continents. SKY Perfect JSAT Group, formed through consolidation of major Japanese satellite operators, brings a strong Asia-Pacific commercial background to the partnership. The Horizons brand represents the two partners' combined effort to serve primarily North American and trans-Pacific communications demand.

The satellite's mass is not available in the public tracking catalog. For reference, commercial Ku-band geostationary communications satellites of the era in which Horizons-2 was manufactured and launched typically range from several thousand kilograms at launch, including fuel, to lighter dry masses after propellant expenditure over the course of the mission — but no such figure is confirmed for this specific spacecraft.

Current Status and Significance

Horizons-2 has been in orbit for more than seventeen years as of the mid-2020s, having launched in December 2007 and with no reentry or decay recorded. Its continued presence in the geostationary arc at 74° west reflects both the durability of modern commercial communications satellites and the sustained commercial demand for Ku-band capacity over the Americas.

The satellite occupies a historically significant and commercially active orbital position. The 74° west slot is well-situated to serve the eastern seaboard of the United States, the Caribbean Basin, and northern Latin America — regions characterized by high concentrations of broadcast media consumption, business telecommunications infrastructure, and growing broadband demand. Capacity at this longitude has historically been in demand for video distribution, including cable and broadcast television contribution feeds, as well as enterprise VSAT networks.

From a broader industry perspective, Horizons-2 represents a generation of Ku-band commercial satellites that bridged the earlier era of large analog broadcast relay to the increasingly IP-centric and high-throughput satellite environment of the 2010s and 2020s. Satellites launched during this period served as workhorses for the transition toward digital broadcast and early broadband services via satellite, filling demand that newer high-throughput satellite (HTS) systems have since expanded upon rather than fully replaced.

The joint venture structure between a Western operator and a major Asian operator also illustrates the increasingly global and cross-regional nature of satellite ownership and orbital slot management that became more prevalent in the commercial satellite industry during the 2000s. While Horizons-2 itself serves primarily Western Hemisphere markets, the partnership behind it reflects how orbital assets are financed and managed on a transnational basis.

Whether Horizons-2 is currently providing active commercial service, has been retired to a graveyard orbit, or is in some intermediate operational state is not confirmed in the public catalog record. Its orbital parameters remain consistent with the geostationary belt, and it continues to be tracked as a resident space object. Users requiring current service information would need to consult Intelsat's commercial capacity listings or official regulatory filings for up-to-date operational details.