Issue 92

Pardon our Progress: China’s pLEO Development Efforts

7 Mar 2024: Developing a proliferated Low Earth Orbit constellation similar to Starlink appears to be a high priority for the Chinese government. Here's a China Space Monitor article from November 2023. In his article Blaine notes that in 2023 more entrants joined the race, combining with the state-backed…

7 Mar 2024: Developing a proliferated Low Earth Orbit constellation similar to Starlink appears to be a high priority for the Chinese government. Here’s a China Space Monitor article from November 2023. In his article Blaine notes that in 2023 more entrants joined the race, combining with the state-backed Guowong/ChinaSatNet effort. As we’ve seen, when China invests in developing a capability it usually achieves its objectives. Here is a look at the on-orbit test satellites I’m tracking (16 of them). I suspect we will see quite a few more in 2024.

Galaxy Space Yinhe Constellation: On 5 March 2022 Galaxy Space launched 6 of its Yinhe-2 satellites on a LM-2C from Xichang. Two years later the satellites are all listed as “Active.” Five of the six satellites are operating on the same orbital plane, ~565x455kms and inclined 63.5°. The sixth satellite has decreased its altitude ~130kms and does not appear to have maneuvered since arriving on orbit. Galaxy Space’s first Yinhe launch was in 2020 when it sent a Yinhe-1 satellite into orbit on top of a KZ-1A. The Yinhe-1 is still active and is in a 647x625km orbit with a 86.4° inclination.

Â

Hulianwang Jishu Shiyan (WHJSW): The WHJSW satellites are reportedly test satellites for Guowang (SatNet), the Chinese state-owned LEO internet constellation. China conducted 3 launches in 2023 and placed 6 WHJSW satellites on orbit. Two of the launches used the LM-2C from Jiuquan while the third used the Jielong-3 which launched from the Yellow Sea. The first launch (LM-2C) carried two satellites, the second (Jielong-3) 1 satellite and the remaining three satellites were on the final launch (LM-2C).

Â

Each of the three launches placed their payloads into different orbits. The first two are in a 1,121×1,096km orbit with 86.5° inclination. The single satellite from the second launch is 923x907km and also inclined 86.5°. The final three satellites are at 945x935km and inclined 50°.

Â

There are potentially another 3 WHJSW satellites on orbit, launched from a LM-2D from Xichang on 23 Nov 2023. While the naming convention doesn’t match exactly and 2 of the objects are currently cataloged as unknown. The objects are orbiting at 1,114×1,095km and inclined 50.0°.

Â

– Longjiang: On 8 Jun, China launched a KZ-1A with the Longjiang-3 experimental stackable communications satellite, jointly developed by a commercial satellite company and its parent entity, the Harbin Institute of Technology (HIT). Longjiang-3 is in a 466x458km orbit and inclined 49.1°.

Galaxy Space Yinhe-2 Constellation (spaceaware.io)

WHJSW Constellation (spaceaware.io)

Longjiang Satellite (spaceaware.io)