First All-Electric Propulsion Communication Satellite by China Becomes Fully Operational After In-Orbit Testing

First All-Electric Propulsion Communication Satellite by China Becomes Fully Operational After In-Orbit Testing

Key Takeaway

China's first all-electric propulsion communication satellite, APStar-6E, has become fully operational after successful in-orbit testing. This satellite aims to provide high-capacity, cost-effective broadband communication services to Southeast Asia, enhancing the region's information industry and addressing the digital divide.

Summary

• Satellite Name: APStar-6E
• Launch Date: January 13, 2023
• Launch Vehicle: Long March-2C carrier rocket
• Launch Site: Xichang Satellite Launch Center, Sichuan Province, China
• Satellite Platform: DFH-3E
• Manufacturer: China Great Wall Industry Corporation (CGWIC)
• Operator: APT Mobile Satcom Limited
• Management: APT Satellite Company Limited
• Operational Slot: 134°E
• Communication Capacity: 30 Gbps
• Lifespan: 15 years
• Bands: 25 Ku-band user beams, 3 Ka-band gateway beams
• Significance: Enhances international competitiveness of China’s communication satellite platforms, supports autonomous orbit transfer, and improves intelligent autonomy of satellite platforms
• Global Impact: Provides high-throughput broadband resources to developing areas, helping bridge the digital divide
• International Programs: CGWIC has conducted 13 in-orbit delivery communication satellite programs for international customers including Nigeria, Venezuela, Pakistan, Bolivia, Laos, Belarus, and Algeria

[caption id="attachment_4962" align="alignnone" width="1024"] APStar-6E[/caption]

Main Article

The Asia-Pacific-6E, also known as APStar-6E, is a milestone in China's space technology, representing the country's first all-electric propulsion communication satellite. Developed by the China Academy of Spacecraft Technology using the DFH-3E satellite platform, the APStar-6E has successfully passed all in-orbit technology verification and ground station technology reviews, making it fully operational.

Development and Launch

The APStar-6E was developed by the China Academy of Spacecraft Technology using the DFH-3E satellite platform. It was launched on January 13, 2023, aboard a Long March-2C carrier rocket from the Xichang Satellite Launch Center in Sichuan Province, China. This launch marked a significant achievement as it featured the first use of dual electric propulsion systems for station-keeping and autonomous orbit transfer. Table 1: APStar-6E Key Specifications

In-Orbit Testing and Verification

After the launch, the APStar-6E separated from its propulsion module on January 23, 2023. It then utilized its onboard Hall/Ion dual electric propulsion systems to autonomously change orbits. By June 10, 2024, the satellite had reached its geosynchronous orbit (GEO) and was positioned at its test location. The in-orbit testing of the APStar-6E proceeded smoothly, with the satellite completing the first phase of testing on July 9, 2024. It was subsequently repositioned to its operational slot at 134°E, co-located with the APStar-6C and APStar-6D satellites. According to the China Great Wall Industry Corporation (CGWIC), the payload of the APStar-6E is functioning normally, with performance meeting contractual specifications and in-orbit operational requirements.

Operational Significance

The successful operation of the APStar-6E is significant for several reasons:

• High-Capacity and Low-Cost Satellite Platforms: The APStar-6E represents a new generation of high-capacity, cost-effective satellite platforms. Its ability to provide approximately 30 Gbps of communication capacity makes it a valuable asset for broadband communication services.
• Autonomous Orbit Transfer: The APStar-6E is the first Chinese satellite to achieve autonomous orbit transfer using its dual electric propulsion systems. This capability enhances the satellite's operational flexibility and reduces dependency on traditional chemical propulsion systems.
• Intelligent Autonomy: The satellite's successful in-orbit operations demonstrate improvements in the intelligent autonomy of China's satellite platforms. This advancement allows for more efficient management and operation of satellite systems.

Table 2: APStar-6E Communication Capabilities

Impact on Southeast Asia

The APStar-6E focuses on providing high-capacity, cost-effective broadband communication services to the Southeast Asian market. This region has a significant digital divide, with many areas lacking reliable internet connectivity. The APStar-6E aims to address this issue by offering high-throughput broadband satellite resources, which will aid the development of the regional information industry and enhance digital inclusion.

Global Outreach

The CGWIC, a subsidiary of the state-owned China Aerospace Science and Technology Corporation (CASC), has a track record of successful satellite programs. It has conducted 13 in-orbit delivery communications satellite programs for international customers, delivering satellite systems to countries including Nigeria, Venezuela, Pakistan, Bolivia, Laos, Belarus, and Algeria.

Future Prospects

The APStar-6E's success paves the way for future advancements in satellite technology. Its autonomous orbit transfer capability and high-capacity communication services set a new standard for satellite platforms. As China continues to innovate in this field, we can expect further enhancements in the intelligent autonomy and operational efficiency of satellite systems. The APStar-6E is a landmark achievement for China's space industry. As the first all-electric propulsion communication satellite, it showcases significant advancements in satellite technology, providing high-capacity, cost-effective broadband communication services to Southeast Asia. The successful in-orbit testing and operational deployment of the APStar-6E underscore China's growing capabilities in the global satellite communication industry.

Hashtags:

#ChinaSpace, #APStar6E, #SatelliteTechnology, #BroadbandCommunication, #ElectricPropulsion, #SoutheastAsia, #DigitalDivide, #SpaceInnovation, #CGWIC, #CASC