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Long March 2D/YZ-3 | Hongyan-1 & Yunhai-2 Group 01

Long March 2D/YZ-3 | Hongyan-1 & Yunhai-2 Group 01

Status: Success  |  Launched: Dec 29, 2018 08:00 UTC

Launch Provider & Rocket

Mission

Hongyan-1 is the first demonstration satellite for Hongyan, which is a planned constellation consisting of 320 satellites in low Earth orbit. Yunhai-2 is a constellation of Chinese military meteorological satellites. Reportedly the satellites use Global Navigation Satellite System (GNSS) Radio Occultation (GNSS-RO) to collect atmospheric data for weather prediction and for ionosphere, climate, and gravity research.

  • Type: Communications
  • Orbit: Low Earth Orbit (LEO)

Launch Site

  • Pad: Launch Area 94 (SLS-2 / 603)
  • Location: Jiuquan Satellite Launch Center, People's Republic of China
  • View on map

Launch data sourced automatically from the Launch Library 2 API. Last refreshed: 2026-08-22T21:02:10.804714+00:00.