China Siwei

China Siwei Surveying and Mapping Technology Co. Ltd. (China Siwei) is a subsidiary of the China Aerospace Science and Technology Corporation (CASC), is a leading operator of Earth observation satellites in China. The company is specialized in providing Earth Observation data through its advance satellite constellation named Gaojing (SuperView) ^[1] and Siwei Gaojing (SuperView Neo) Series. The satellites are designed for high-resolution imaging for various applications. Siwei Gaojing constellation is a key component of Chinese commercial and civilian remote sensing capabilites, aiming to complete with global leaders, such as Maxar and Airbus.

Overview

China Siwei operates 14 satellites under Gaojing and Siewi Gaojing constellation and planned to add 18 more satellites into its constellation. The Constellation is divided into three series: SuperView Neo-1, ^[2] SuperView Neo-2 ^[3] and SuperView Neo-3. ^[4]

Launches

Name	SATCAT	Launch date (UTC)	Launch vehicle	Launch site	Orbital apsis	Inclination	Period (min)	Status
Gaojing-1 01 (SuperView-1 01) [5]		28 December 2016	Long March 2D	Taiyuan, LC-9				Operational
Gaojing-1 02 (SuperView-1 02) [6]								Operational
Gaojing-1 03 (SuperView-1 03) [7]		9 January 2018						Operational
Gaojing-1 04 (SuperView-1 04) [8]								Operational
Siwei Gaojing-1 01 (SuperView Neo-1 01) [9]		29 April 2022	Long March 2C	Jiuquan, SLS-2				Operational
Siwei Gaojing-1 02 (SuperView Neo-1 02)								Operational
Siwei Gaojing-2 01 (SuperView Neo-2 01) [10]		15 July 2022		Taiyuan, LC-9				Operational
Siwei Gaojing-2 02 (SuperView Neo-2 02)								Operational
Siwei Gaojing-3 01 (SuperView Neo-3 01) [11]		15 April 2024	Long March 2D	Jiuquan, SLS-2				Operational
Siwei Gaojing-2 03 (SuperView Neo-2 03) [12]		24 November 2024	Long March 2C					Operational
Siwei Gaojing-2 04 (SuperView Neo-2 04)								Operational
Siwei Gaojing-1 03 (SuperView Neo-1 03) [13]		27 February 2025						Operational
Siwei Gaojing-1 04 (SuperView Neo-1 04)								Operational
Siwei Gaojing-3 02 (SuperView Neo-3 02) [14]		15 February 2025	Long March 2D					Operational

Challenges and development

The SuperView-1 01 and 02 launch faced challenges due to an incorrect orbital insertion, requiring significant propellant use to correct its position and become operational, potentially shortening the satellites' operational lifespan. ^[15] Despite this, the constellation has grown steadily, with successful launch in subsequent years. The introduction of autonomous "Self-driving" satellite in 2024 marks a significant technology advancement. ^[16]

See also

• China High-resolution Earth Observation System (CHEOS) - Broader framework for Chinese remote sensing satellites
• Gaofen - Chinese State-Owned High-resolution Earth Observation Program.
• Jilin-1 - Another Chinese Commercial Satellite Constellation for Earth Observation

References

1. "GaoJing / SuperView Earth Observation Constellation". EoPortal. Retrieved 1 March 2025.
2. "Siwei Gaojing 1-01, ..., 16 (SuperView Neo 1-01, ..., 16)". Gunter's Space Page. Retrieved 1 March 2025.
3. "Siwei Gaojing 2-01, 02, 03, 04 (SuperView Neo 2-01, 02, 03, 04)". Gunter's Space Page. Retrieved 1 March 2025.
4. "Siwei Gaojing 3-01, ..., 08 (SuperView Neo 3-01, ..., 08)". Gunter's Space Page. Retrieved 1 March 2025.
5. "GaoJing-1 01, 02, 03, 04 (SuperView 1)". Gunter's Space Page. Retrieved 1 March 2025.
6. "Chinese Earth observation satellites launched into lower-than-planned orbit". Spaceflight Now. Retrieved 1 March 2025.
7. "GaoJing-1 01, 02, 03, 04 (SuperView 1)". Gunter's Space Page. Retrieved 1 March 2025.
8. "Second SuperView satellite pair launched from China". Spaceflight Now. Retrieved 1 March 2025.
9. "Siwei Gaojing 1-01, ..., 16 (SuperView Neo 1-01, ..., 16)". Gunter's Space Page. Retrieved 1 March 2025.
10. "Siwei Gaojing 2-01, 02, 03, 04 (SuperView Neo 2-01, 02, 03, 04)". Gunter's Space Page. Retrieved 1 March 2025.
11. "Siwei Gaojing 3-01, ..., 08 (SuperView Neo 3-01, ..., 08)". Gunter's Space Page. Retrieved 1 March 2025.
12. "Siwei Gaojing 2-01, 02, 03, 04 (SuperView Neo 2-01, 02, 03, 04)". Gunter's Space Page. Retrieved 1 March 2025.
13. "Siwei Gaojing 1-01, ..., 16 (SuperView Neo 1-01, ..., 16)". Gunter's Space Page. Retrieved 1 March 2025.
14. "Siwei Gaojing 3-01, ..., 08 (SuperView Neo 3-01, ..., 08)". Gunter's Space Page. Retrieved 1 March 2025.
15. "Chinese Earth observation satellites launched into lower-than-planned orbit". Spaceflight Now. Retrieved 1 March 2025.
16. "China launches world's first 'self-driving' satellites for military surveillance". Interesting Engineering. Retrieved 1 March 2025.

External links

• Bergin, Chris. "NASASpaceFlight.com".
• Clark, Stephen. "Spaceflight Now".
• Kelso, T.S. "Satellite Catalog (SATCAT)". CelesTrak.
• Krebs, Gunter. "Chronology of Space Launches".
• Kyle, Ed. "Space Launch Report". Archived from the original on 2009-10-05. Retrieved 2022-08-13.
• McDowell, Jonathan. "GCAT Orbital Launch Log".
• Pietrobon, Steven. "Steven Pietrobon's Space Archive".
• Wade, Mark. "Encyclopedia Astronautica".
• Webb, Brian. "Southwest Space Archive".
• Zak, Anatoly. "Russian Space Web".
• "ISS Calendar". Spaceflight 101.
• "NSSDCA Master Catalog". NASA Space Science Data Coordinated Archive. NASA Goddard Space Flight Center.
• "Хроника освоения космоса" [Chronicle of space exploration]. CosmoWorld (in Russian).
• "Rocket Launch Manifest". Next Spaceflight.
• "Space Launch Plans". Novosti Kosmonavtiki.

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