JSAT International, a subsidiary of SKY Perfect JSAT, continues to support a wide range of broadcast, enterprise and government communications through the established Horizons geostationary satellite fleet. Operated from orbital slots covering Asia, Oceania and surrounding regions, the Horizons satellites form a core part of the company’s international satellite services portfolio, delivering stable and long-term capacity for video distribution, data connectivity and mission-critical applications. JSAT International’s satellite operations are integrated within SKY Perfect JSAT’s broader space and communications infrastructure, which includes satellite fleet management, ground operations and customer service support. The Horizons satellites are positioned to address regional coverage requirements while maintaining compatibility with standard ground equipment and established broadcast and VSAT ecosystems.
Horizons-1 – Foundational Capacity for Broadcast and Data Services
Horizons-1 satellite was developed to deliver Ku-band capacity supporting broadcast distribution, enterprise connectivity and data services across Asia and Oceania. Positioned to provide stable regional coverage, the satellite has been used for television program distribution, contribution links and corporate network connectivity, enabling broadcasters and service providers to maintain reliable signal delivery across multiple markets. The Ku-band payload supports a range of fixed satellite services that require consistent availability and predictable performance over long operational periods. As one of JSAT International’s early international satellites, Horizons-1 helped establish the company’s presence outside Japan and continues to contribute to regional service continuity by supporting ongoing broadcast and data-communications requirements in the Asia-Pacific region.
Horizons-2 – Expanded Coverage and Service Redundancy
Horizons-2 was deployed to strengthen JSAT International’s regional capacity and provide added redundancy for customers across the Asia-Pacific region. Operating primarily in the Ku-band, the satellite is configured to support a mix of broadcast distribution, occasional-use services and enterprise connectivity, addressing both steady-state and event-driven communication needs. The coverage footprint and orbital location enable service providers and broadcasters to scale operations while remaining compatible with existing ground infrastructure, including antennas and teleport systems already in use across the region. This backward compatibility reduces integration complexity and allows customers to expand or diversify services without major changes to their installed equipment. Through these capabilities, Horizons-2 contributes to service continuity and operational flexibility for users requiring reliable satellite capacity for permanent networks as well as temporary or seasonal deployments.
Horizons-3e – High-Throughput Satellite for Advanced Connectivity
Horizons-3e represents a major evolution within JSAT International’s Horizons satellite fleet, marking the transition toward high-throughput satellite (HTS) capability. Operating in the Ku-band and employing spot-beam technology, the satellite is engineered to deliver higher aggregate capacity, improved frequency reuse and more efficient bandwidth utilization compared with conventional wide-beam systems. This architecture enables higher data rates and more consistent service quality across targeted coverage areas in Asia and Oceania. Horizons-3e is designed to support a broad range of applications, including broadband connectivity, enterprise VSAT networks, mobility services and data-intensive platforms, while maintaining compatibility with established ground infrastructure. By combining enhanced spectral efficiency with regional coverage designed to demand, Horizons-3e allows service providers and operators to deploy modern connectivity solutions with predictable performance and scalable capacity.
Horizons-4 – Flexible Capacity for Regional Communications
Horizons-4 further strengthens JSAT International’s satellite fleet by adding Ku-band capacity focused on broadcast distribution, data transmission, and enterprise connectivity across the Asia-Pacific region. The satellite is designed to support long-term service continuity for customers that require stable coverage, predictable performance, and dependable orbital positioning. By complementing the existing Horizons satellites, Horizons-4 provides additional capacity and orbital diversity, allowing broadcasters, network operators, and institutional users to plan services with greater flexibility and resilience. This added redundancy and coverage depth supports both established communication services and future network expansion needs, reinforcing JSAT International’s ability to deliver consistent satellite services across the region.
Integration with SKY Perfect JSAT’s Satellite Infrastructure
The Horizons fleet operates within the broader framework of SKY Perfect JSAT’s satellite operations, which include spacecraft control, telemetry and tracking and customer support services. This integration enables JSAT International to offer end-to-end satellite services, from space-segment capacity to ground-segment coordination, supporting reliable service delivery across international markets. JSAT International’s Horizons satellites are used across multiple sectors, including direct-to-home and contribution broadcasting, enterprise VSAT networks, maritime and mobility connectivity, disaster-response communications and government or institutional services. The satellites’ geostationary architecture provides continuous coverage over defined regions, making them suitable for applications that depend on stable links, predictable latency and long-term operational planning. Through the continued operation of the Horizons-1, Horizons-2, Horizons-3e and Horizons-4 satellites, JSAT International maintains an active role in supporting communications infrastructure across the Asia-Pacific region. The fleet reflects a balance between legacy GEO capacity and newer high-throughput designs, allowing customers to select solutions aligned with their technical requirements, service lifecycles and coverage needs. As demand for satellite-based connectivity remains strong across broadcast, data and mobility markets, JSAT International’s Horizons satellite fleet continues to serve as a dependable space-segment resource within the global satellite communications ecosystem.
About JSAT International
JSAT International is a global satellite operator and service provider offering a broad portfolio of satellite capacity and communications solutions to customers worldwide. Headquartered in Washington DC, United States, JSAT International serves as the international arm of SKY Perfect JSAT Group, focusing on markets outside Japan. The company operates and markets a fleet of geostationary satellites under the Horizons brand, delivering coverage across the Americas, Asia, the Pacific, the Middle East and parts of Europe and Africa. The services support a wide range of applications, including broadcast distribution, enterprise networks, mobility connectivity, government communications and managed satellite services. By combining satellite capacity, technical expertise and long-term operational experience, JSAT International provides stable and scalable satellite-based connectivity solutions tailored to commercial, governmental and institutional customers across multiple regions.
