Issue 81

Yaogan-39-01 Takes Shape

16 Sep 2023: After its 31 August launch, YG-39-01 A/B/C appears to be operating in formation. The formation appears to differ from the previous YG-35 and YG-36 triplets in that YG-39-01 has 2 satellites in “Lead” position (Lead1 and Lead2) and one in Trail (Follower1). YG-35 and 36 typically (but not always) have a…

16 Sep 2023: After its 31 August launch, YG-39-01 A/B/C appears to be operating in formation. The formation appears to differ from the previous YG-35 and YG-36 triplets in that YG-39-01 has 2 satellites in “Lead” position (Lead1 and Lead2) and one in Trail (Follower1). YG-35 and 36 typically (but not always) have a single “Lead” and 2 in Trail.

Here is a graphic displaying the formation of YG-39-01 and YG-36-05 which was launched on 26 July 2023.

This is an initial analysis and will likely change over time. We’ll likely learn more if China launches additional YG-39 triplets…oh wait, this just in…

Yaogan-39-01 and Yaogan-36-05 formations