Issue 88

China Launches 3x KZ-1A w/ 12 Tianmu Satellites

25/27 Dec 23 & 5 Jan 24: China launched 3 Kuaizhou-1A (KZ-1A) rockets from Jiuquan, each with four Tianmu-1 meteorological satellites. The first launch placed the Tianmu-1 11-14 satellites into orbit, the second carried Tianmu-1 19-22 and the third carried Tianmu-1 15-18 satellites. There are now 22 Tianmu satellites…

25/27 Dec 23 & 5 Jan 24: China launched 3 Kuaizhou-1A (KZ-1A) rockets from Jiuquan, each with four Tianmu-1 meteorological satellites. The first launch placed the Tianmu-1 11-14 satellites into orbit, the second carried Tianmu-1 19-22 and the third carried Tianmu-1 15-18 satellites. There are now 22 Tianmu satellites in Low Earth Orbit. Per official Chinese sources the Tianmu constellation “will be mainly used to provide commercial meteorological data services”. Launch 1 Video. Launch 2 Video. Launch 3 Video.

– All 12 new Tianmu-1 satellites are in a similar orbit with the other Tianmu satellites, 528x512km and 95.1° inclination.

-The Tianmu 1 constellation is intended to provide global commercial meteorological data services, including numerical weather forecasting, typhoon monitoring and forecasting, and climate change research.

-China launched all 14 Tainmu satellites in 2023.

  • All launches were from Jiuquan

– The final number of satellites for the Tianmu constellation is unknown. However, Gao Wei, strategic operations director of the Tianmu 1 constellation, told CCTV+ “By 2025, our Tianmu 1 system will be basically completed and will provide stable service for various user categories.”

Tianmu Constellation, January 2024